CA2304239A1 - Additif pour sols - Google Patents

Additif pour sols Download PDF

Info

Publication number: CA2304239A1
Authority: CA; Canada
Prior art keywords: super absorbent; additive; polymer; absorbent polymer; growth
Prior art date: 1996-09-17
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.): Abandoned

Application number

CA002304239A

Other languages

English (en)

Inventor

Kenneth Roger Williams

Marlene Elizabeth Conway

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

1340911 ONTARIO Inc

Original Assignee

Individual

Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)

1996-09-17

Filing date

1997-09-15

Publication date

1998-03-26

1997-09-15 Application filed by Individual filed Critical Individual

1998-03-26 Publication of CA2304239A1 publication Critical patent/CA2304239A1/fr

Status Abandoned legal-status Critical Current

Links

239000002689 soil Substances 0.000 title claims abstract description 102
239000000654 additive Substances 0.000 title claims abstract description 100
230000000996 additive effect Effects 0.000 title claims abstract description 90
229920000247 superabsorbent polymer Polymers 0.000 claims abstract description 212
229920000058 polyacrylate Polymers 0.000 claims abstract description 11
XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 94
229920000642 polymer Polymers 0.000 claims description 44
239000000203 mixture Substances 0.000 claims description 43
238000000034 method Methods 0.000 claims description 34
238000011282 treatment Methods 0.000 claims description 34
239000004202 carbamide Substances 0.000 claims description 31
XSQUKJJJFZCRTK-UHFFFAOYSA-N urea group Chemical group NC(=O)N XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 claims description 31
ZCCIPPOKBCJFDN-UHFFFAOYSA-N calcium nitrate Chemical compound [Ca+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O ZCCIPPOKBCJFDN-UHFFFAOYSA-N 0.000 claims description 27
IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 26
238000010521 absorption reaction Methods 0.000 claims description 23
150000003839 salts Chemical class 0.000 claims description 22
229920001495 poly(sodium acrylate) polymer Polymers 0.000 claims description 20
NNMHYFLPFNGQFZ-UHFFFAOYSA-M sodium polyacrylate Chemical group [Na+].[O-]C(=O)C=C NNMHYFLPFNGQFZ-UHFFFAOYSA-M 0.000 claims description 18
229910052757 nitrogen Inorganic materials 0.000 claims description 13
229910002651 NO3 Inorganic materials 0.000 claims description 11
NHNBFGGVMKEFGY-UHFFFAOYSA-N Nitrate Chemical compound [O-][N+]([O-])=O NHNBFGGVMKEFGY-UHFFFAOYSA-N 0.000 claims description 11
-1 ammonium ions Chemical class 0.000 claims description 11
230000012010 growth Effects 0.000 claims description 11
150000001768 cations Chemical class 0.000 claims description 10
239000011575 calcium Substances 0.000 claims description 9
150000002484 inorganic compounds Chemical class 0.000 claims description 9
229910010272 inorganic material Inorganic materials 0.000 claims description 9
239000002250 absorbent Substances 0.000 claims description 8
230000002745 absorbent Effects 0.000 claims description 8
ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 claims description 7
239000011591 potassium Substances 0.000 claims description 7
229910052700 potassium Inorganic materials 0.000 claims description 7
230000001737 promoting effect Effects 0.000 claims description 7
238000011084 recovery Methods 0.000 claims description 7
229920006395 saturated elastomer Polymers 0.000 claims description 7
OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 claims description 5
150000001450 anions Chemical class 0.000 claims description 5
229910052791 calcium Inorganic materials 0.000 claims description 5
JPVYNHNXODAKFH-UHFFFAOYSA-N Cu2+ Chemical compound [Cu+2] JPVYNHNXODAKFH-UHFFFAOYSA-N 0.000 claims description 3
VTLYFUHAOXGGBS-UHFFFAOYSA-N Fe3+ Chemical compound [Fe+3] VTLYFUHAOXGGBS-UHFFFAOYSA-N 0.000 claims description 3
229910019142 PO4 Inorganic materials 0.000 claims description 3
HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims description 3
229910052784 alkaline earth metal Inorganic materials 0.000 claims description 3
150000001342 alkaline earth metals Chemical class 0.000 claims description 3
229910052782 aluminium Inorganic materials 0.000 claims description 3
XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 3
NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 claims description 3
239000010452 phosphate Substances 0.000 claims description 3
239000011701 zinc Substances 0.000 claims description 3
229910052725 zinc Inorganic materials 0.000 claims description 3
OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims description 2
239000011574 phosphorus Substances 0.000 claims description 2
229910052698 phosphorus Inorganic materials 0.000 claims description 2
239000000499 gel Substances 0.000 description 83
PAWQVTBBRAZDMG-UHFFFAOYSA-N 2-(3-bromo-2-fluorophenyl)acetic acid Chemical compound OC(=O)CC1=CC=CC(Br)=C1F PAWQVTBBRAZDMG-UHFFFAOYSA-N 0.000 description 76
241000196324 Embryophyta Species 0.000 description 24
239000000047 product Substances 0.000 description 24
238000002386 leaching Methods 0.000 description 22
238000007792 addition Methods 0.000 description 18
239000003337 fertilizer Substances 0.000 description 12
150000002500 ions Chemical class 0.000 description 12
235000015097 nutrients Nutrition 0.000 description 12
230000008635 plant growth Effects 0.000 description 12
238000012360 testing method Methods 0.000 description 12
230000000694 effects Effects 0.000 description 9
AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 description 8
239000000920 calcium hydroxide Substances 0.000 description 8
229910001861 calcium hydroxide Inorganic materials 0.000 description 8
235000011116 calcium hydroxide Nutrition 0.000 description 8
238000009792 diffusion process Methods 0.000 description 8
239000007787 solid Substances 0.000 description 8
230000008961 swelling Effects 0.000 description 8
150000001875 compounds Chemical class 0.000 description 7
238000001035 drying Methods 0.000 description 7
239000008187 granular material Substances 0.000 description 7
238000002360 preparation method Methods 0.000 description 7
239000004583 superabsorbent polymers (SAPs) Substances 0.000 description 7
238000004132 cross linking Methods 0.000 description 6
239000002609 medium Substances 0.000 description 6
229920002401 polyacrylamide Polymers 0.000 description 6
125000000129 anionic group Chemical group 0.000 description 5
239000003795 chemical substances by application Substances 0.000 description 5
239000003431 cross linking reagent Substances 0.000 description 5
238000005259 measurement Methods 0.000 description 5
150000002830 nitrogen compounds Chemical class 0.000 description 5
239000000243 solution Substances 0.000 description 5
239000000126 substance Substances 0.000 description 5
HRPVXLWXLXDGHG-UHFFFAOYSA-N Acrylamide Chemical compound NC(=O)C=C HRPVXLWXLXDGHG-UHFFFAOYSA-N 0.000 description 4
QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 description 4
BHPQYMZQTOCNFJ-UHFFFAOYSA-N Calcium cation Chemical compound [Ca+2] BHPQYMZQTOCNFJ-UHFFFAOYSA-N 0.000 description 4
229910001424 calcium ion Inorganic materials 0.000 description 4
238000009472 formulation Methods 0.000 description 4
238000010348 incorporation Methods 0.000 description 4
239000004615 ingredient Substances 0.000 description 4
238000006116 polymerization reaction Methods 0.000 description 4
239000007864 aqueous solution Substances 0.000 description 3
230000008901 benefit Effects 0.000 description 3
239000004927 clay Substances 0.000 description 3
238000013270 controlled release Methods 0.000 description 3
229920001577 copolymer Polymers 0.000 description 3
239000012467 final product Substances 0.000 description 3
239000000017 hydrogel Substances 0.000 description 3
238000004519 manufacturing process Methods 0.000 description 3
229910017464 nitrogen compound Inorganic materials 0.000 description 3
229920003023 plastic Polymers 0.000 description 3
239000004033 plastic Substances 0.000 description 3
239000004576 sand Substances 0.000 description 3
239000001488 sodium phosphate Substances 0.000 description 3
SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 description 2
NIXOWILDQLNWCW-UHFFFAOYSA-N 2-Propenoic acid Natural products OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 2
QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 2
235000007688 Lycopersicon esculentum Nutrition 0.000 description 2
TWRXJAOTZQYOKJ-UHFFFAOYSA-L Magnesium chloride Chemical compound [Mg+2].[Cl-].[Cl-] TWRXJAOTZQYOKJ-UHFFFAOYSA-L 0.000 description 2
240000003768 Solanum lycopersicum Species 0.000 description 2
240000000785 Tagetes erecta Species 0.000 description 2
230000002411 adverse Effects 0.000 description 2
IWOUKMZUPDVPGQ-UHFFFAOYSA-N barium nitrate Chemical compound [Ba+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O IWOUKMZUPDVPGQ-UHFFFAOYSA-N 0.000 description 2
230000009286 beneficial effect Effects 0.000 description 2
239000001506 calcium phosphate Substances 0.000 description 2
159000000007 calcium salts Chemical class 0.000 description 2
239000011248 coating agent Substances 0.000 description 2
238000000576 coating method Methods 0.000 description 2
125000004122 cyclic group Chemical group 0.000 description 2
230000003111 delayed effect Effects 0.000 description 2
BNIILDVGGAEEIG-UHFFFAOYSA-L disodium hydrogen phosphate Chemical compound [Na+].[Na+].OP([O-])([O-])=O BNIILDVGGAEEIG-UHFFFAOYSA-L 0.000 description 2
229910000397 disodium phosphate Inorganic materials 0.000 description 2
235000019800 disodium phosphate Nutrition 0.000 description 2
238000005516 engineering process Methods 0.000 description 2
238000002474 experimental method Methods 0.000 description 2
238000001914 filtration Methods 0.000 description 2
239000001963 growth medium Substances 0.000 description 2
XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxide Chemical compound [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 description 2
YIXJRHPUWRPCBB-UHFFFAOYSA-N magnesium nitrate Chemical compound [Mg+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O YIXJRHPUWRPCBB-UHFFFAOYSA-N 0.000 description 2
230000014759 maintenance of location Effects 0.000 description 2
QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical group [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 description 2
150000002894 organic compounds Chemical class 0.000 description 2
229920005614 potassium polyacrylate Polymers 0.000 description 2
230000000717 retained effect Effects 0.000 description 2
239000010865 sewage Substances 0.000 description 2
VWDWKYIASSYTQR-UHFFFAOYSA-N sodium nitrate Chemical compound [Na+].[O-][N+]([O-])=O VWDWKYIASSYTQR-UHFFFAOYSA-N 0.000 description 2
239000010455 vermiculite Substances 0.000 description 2
229910052902 vermiculite Inorganic materials 0.000 description 2
235000019354 vermiculite Nutrition 0.000 description 2
238000009736 wetting Methods 0.000 description 2
ONDPHDOFVYQSGI-UHFFFAOYSA-N zinc nitrate Chemical compound [Zn+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O ONDPHDOFVYQSGI-UHFFFAOYSA-N 0.000 description 2
BNGXYYYYKUGPPF-UHFFFAOYSA-M (3-methylphenyl)methyl-triphenylphosphanium;chloride Chemical compound [Cl-].CC1=CC=CC(C[P+](C=2C=CC=CC=2)(C=2C=CC=CC=2)C=2C=CC=CC=2)=C1 BNGXYYYYKUGPPF-UHFFFAOYSA-M 0.000 description 1
101000835996 Caenorhabditis elegans Slit homolog 1 protein Proteins 0.000 description 1
UXVMQQNJUSDDNG-UHFFFAOYSA-L Calcium chloride Chemical compound [Cl-].[Cl-].[Ca+2] UXVMQQNJUSDDNG-UHFFFAOYSA-L 0.000 description 1
235000005881 Calendula officinalis Nutrition 0.000 description 1
239000004971 Cross linker Substances 0.000 description 1
239000005696 Diammonium phosphate Substances 0.000 description 1
235000019739 Dicalciumphosphate Nutrition 0.000 description 1
241000698776 Duma Species 0.000 description 1
DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 1
206010021639 Incontinence Diseases 0.000 description 1
FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
241000736285 Sphagnum Species 0.000 description 1
229910052770 Uranium Inorganic materials 0.000 description 1
240000008042 Zea mays Species 0.000 description 1
235000005824 Zea mays ssp. parviglumis Nutrition 0.000 description 1
235000002017 Zea mays subsp mays Nutrition 0.000 description 1
DCPVGCYTIBNGRQ-UHFFFAOYSA-L [Mg+2].[K+].[O-][N+]([O-])=O.[O-]S([O-])(=O)=O Chemical compound [Mg+2].[K+].[O-][N+]([O-])=O.[O-]S([O-])(=O)=O DCPVGCYTIBNGRQ-UHFFFAOYSA-L 0.000 description 1
229920006322 acrylamide copolymer Polymers 0.000 description 1
150000003926 acrylamides Chemical class 0.000 description 1
239000003513 alkali Substances 0.000 description 1
229910000148 ammonium phosphate Inorganic materials 0.000 description 1
ZRIUUUJAJJNDSS-UHFFFAOYSA-N ammonium phosphates Chemical compound [NH4+].[NH4+].[NH4+].[O-]P([O-])([O-])=O ZRIUUUJAJJNDSS-UHFFFAOYSA-N 0.000 description 1
150000003863 ammonium salts Chemical class 0.000 description 1
239000012736 aqueous medium Substances 0.000 description 1
230000001580 bacterial effect Effects 0.000 description 1
WDIHJSXYQDMJHN-UHFFFAOYSA-L barium chloride Chemical compound [Cl-].[Cl-].[Ba+2] WDIHJSXYQDMJHN-UHFFFAOYSA-L 0.000 description 1
229910001626 barium chloride Inorganic materials 0.000 description 1
150000007514 bases Chemical class 0.000 description 1
230000015572 biosynthetic process Effects 0.000 description 1
210000001124 body fluid Anatomy 0.000 description 1
239000010839 body fluid Substances 0.000 description 1
229910000019 calcium carbonate Inorganic materials 0.000 description 1
239000001110 calcium chloride Substances 0.000 description 1
229910001628 calcium chloride Inorganic materials 0.000 description 1
229940043430 calcium compound Drugs 0.000 description 1
150000001674 calcium compounds Chemical class 0.000 description 1
YYRMJZQKEFZXMX-UHFFFAOYSA-N calcium;phosphoric acid Chemical compound [Ca+2].OP(O)(O)=O.OP(O)(O)=O YYRMJZQKEFZXMX-UHFFFAOYSA-N 0.000 description 1
125000002091 cationic group Chemical group 0.000 description 1
235000005822 corn Nutrition 0.000 description 1
230000003247 decreasing effect Effects 0.000 description 1
230000007812 deficiency Effects 0.000 description 1
230000001419 dependent effect Effects 0.000 description 1
BUACSMWVFUNQET-UHFFFAOYSA-H dialuminum;trisulfate;hydrate Chemical compound O.[Al+3].[Al+3].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O BUACSMWVFUNQET-UHFFFAOYSA-H 0.000 description 1
MNNHAPBLZZVQHP-UHFFFAOYSA-N diammonium hydrogen phosphate Chemical compound [NH4+].[NH4+].OP([O-])([O-])=O MNNHAPBLZZVQHP-UHFFFAOYSA-N 0.000 description 1
229910000388 diammonium phosphate Inorganic materials 0.000 description 1
235000019838 diammonium phosphate Nutrition 0.000 description 1
NEFBYIFKOOEVPA-UHFFFAOYSA-K dicalcium phosphate Chemical compound [Ca+2].[Ca+2].[O-]P([O-])([O-])=O NEFBYIFKOOEVPA-UHFFFAOYSA-K 0.000 description 1
229910000390 dicalcium phosphate Inorganic materials 0.000 description 1
229940038472 dicalcium phosphate Drugs 0.000 description 1
ZPWVASYFFYYZEW-UHFFFAOYSA-L dipotassium hydrogen phosphate Chemical compound [K+].[K+].OP([O-])([O-])=O ZPWVASYFFYYZEW-UHFFFAOYSA-L 0.000 description 1
229910000396 dipotassium phosphate Inorganic materials 0.000 description 1
235000019797 dipotassium phosphate Nutrition 0.000 description 1
239000012153 distilled water Substances 0.000 description 1
238000003898 horticulture Methods 0.000 description 1
229920001477 hydrophilic polymer Polymers 0.000 description 1
238000007654 immersion Methods 0.000 description 1
230000005764 inhibitory process Effects 0.000 description 1
238000009533 lab test Methods 0.000 description 1
239000011777 magnesium Substances 0.000 description 1
229910052749 magnesium Inorganic materials 0.000 description 1
229910001629 magnesium chloride Inorganic materials 0.000 description 1
229960002337 magnesium chloride Drugs 0.000 description 1
235000011147 magnesium chloride Nutrition 0.000 description 1
239000011159 matrix material Substances 0.000 description 1
229910052751 metal Inorganic materials 0.000 description 1
239000002184 metal Substances 0.000 description 1
229930014626 natural product Natural products 0.000 description 1
235000021232 nutrient availability Nutrition 0.000 description 1
150000002897 organic nitrogen compounds Chemical class 0.000 description 1
230000003204 osmotic effect Effects 0.000 description 1
239000002245 particle Substances 0.000 description 1
239000003415 peat Substances 0.000 description 1
150000003013 phosphoric acid derivatives Chemical class 0.000 description 1
230000000379 polymerizing effect Effects 0.000 description 1
229910001414 potassium ion Inorganic materials 0.000 description 1
LWIHDJKSTIGBAC-UHFFFAOYSA-K potassium phosphate Substances [K+].[K+].[K+].[O-]P([O-])([O-])=O LWIHDJKSTIGBAC-UHFFFAOYSA-K 0.000 description 1
239000000843 powder Substances 0.000 description 1
238000012545 processing Methods 0.000 description 1
238000004064 recycling Methods 0.000 description 1
230000035945 sensitivity Effects 0.000 description 1
238000000926 separation method Methods 0.000 description 1
238000004088 simulation Methods 0.000 description 1
239000002002 slurry Substances 0.000 description 1
239000011734 sodium Substances 0.000 description 1
229910052708 sodium Inorganic materials 0.000 description 1
MKWYFZFMAMBPQK-UHFFFAOYSA-J sodium feredetate Chemical compound [Na+].[Fe+3].[O-]C(=O)CN(CC([O-])=O)CCN(CC([O-])=O)CC([O-])=O MKWYFZFMAMBPQK-UHFFFAOYSA-J 0.000 description 1
229910001415 sodium ion Inorganic materials 0.000 description 1
239000004317 sodium nitrate Substances 0.000 description 1
235000010344 sodium nitrate Nutrition 0.000 description 1
241000894007 species Species 0.000 description 1
239000007858 starting material Substances 0.000 description 1
230000003335 steric effect Effects 0.000 description 1
238000003756 stirring Methods 0.000 description 1
239000002426 superphosphate Substances 0.000 description 1
230000002459 sustained effect Effects 0.000 description 1
238000010998 test method Methods 0.000 description 1
231100000331 toxic Toxicity 0.000 description 1
230000002588 toxic effect Effects 0.000 description 1
231100000419 toxicity Toxicity 0.000 description 1
230000001988 toxicity Effects 0.000 description 1
238000012546 transfer Methods 0.000 description 1
QORWJWZARLRLPR-UHFFFAOYSA-H tricalcium bis(phosphate) Chemical compound [Ca+2].[Ca+2].[Ca+2].[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O QORWJWZARLRLPR-UHFFFAOYSA-H 0.000 description 1
229910000391 tricalcium phosphate Inorganic materials 0.000 description 1
229940078499 tricalcium phosphate Drugs 0.000 description 1
235000019731 tricalcium phosphate Nutrition 0.000 description 1
RYFMWSXOAZQYPI-UHFFFAOYSA-K trisodium phosphate Chemical compound [Na+].[Na+].[Na+].[O-]P([O-])([O-])=O RYFMWSXOAZQYPI-UHFFFAOYSA-K 0.000 description 1
229910000406 trisodium phosphate Inorganic materials 0.000 description 1
235000019801 trisodium phosphate Nutrition 0.000 description 1
239000002351 wastewater Substances 0.000 description 1
NWONKYPBYAMBJT-UHFFFAOYSA-L zinc sulfate Chemical compound [Zn+2].[O-]S([O-])(=O)=O NWONKYPBYAMBJT-UHFFFAOYSA-L 0.000 description 1
239000011686 zinc sulphate Substances 0.000 description 1
235000009529 zinc sulphate Nutrition 0.000 description 1

Classifications

- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05G—MIXTURES OF FERTILISERS COVERED INDIVIDUALLY BY DIFFERENT SUBCLASSES OF CLASS C05; MIXTURES OF ONE OR MORE FERTILISERS WITH MATERIALS NOT HAVING A SPECIFIC FERTILISING ACTIVITY, e.g. PESTICIDES, SOIL-CONDITIONERS, WETTING AGENTS; FERTILISERS CHARACTERISED BY THEIR FORM
- C05G5/00—Fertilisers characterised by their form
- C05G5/40—Fertilisers incorporated into a matrix
- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05G—MIXTURES OF FERTILISERS COVERED INDIVIDUALLY BY DIFFERENT SUBCLASSES OF CLASS C05; MIXTURES OF ONE OR MORE FERTILISERS WITH MATERIALS NOT HAVING A SPECIFIC FERTILISING ACTIVITY, e.g. PESTICIDES, SOIL-CONDITIONERS, WETTING AGENTS; FERTILISERS CHARACTERISED BY THEIR FORM
- C05G3/00—Mixtures of one or more fertilisers with additives not having a specially fertilising activity
- C05G3/80—Soil conditioners

Landscapes

Life Sciences & Earth Sciences (AREA)
Pest Control & Pesticides (AREA)
Chemical & Material Sciences (AREA)
Organic Chemistry (AREA)
Soil Sciences (AREA)
Cultivation Of Plants (AREA)
Soil Conditioners And Soil-Stabilizing Materials (AREA)
Fertilizers (AREA)

CA002304239A 1996-09-17 1997-09-15 Additif pour sols Abandoned CA2304239A1 (fr)

Applications Claiming Priority (3)

Application Number	Priority Date	Filing Date	Title
GB9619415.4		1996-09-17
GBGB9619415.4A GB9619415D0 (en)	1996-09-17	1996-09-17	Soil additive
PCT/CA1997/000667 WO1998012154A1 (fr)	1996-09-17	1997-09-15	Additif pour sols

Publications (1)

Publication Number	Publication Date
CA2304239A1 true CA2304239A1 (fr)	1998-03-26

Family

ID=10800070

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA002304239A Abandoned CA2304239A1 (fr)	1996-09-17	1997-09-15	Additif pour sols

Country Status (4)

Country	Link
AU (1)	AU4196797A (fr)
CA (1)	CA2304239A1 (fr)
GB (1)	GB9619415D0 (fr)
WO (1)	WO1998012154A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
CN107429162A (zh) *	2015-04-06	2017-12-01	Upl有限公司	吸水性组合物

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* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
MX2010009942A (es)	2008-03-31	2010-09-28	Rhodia Operations	Composiciones de polimero responsivas a estimulos de autosituacion en aditivos de suelo y metodos para uso.
DE102012102957A1 (de) *	2012-04-04	2013-10-10	Dieter Wehrhahn	Substrat zur Verwendung in Böden und Verfahren zur Herstellung eines Substrates
KR20150144752A (ko)	2013-03-15	2015-12-28	아다마 마켓심 리미티드	토양 중의 비료 및 다른 농화학물질의 효율적 흡수를 위한 인공 환경
FR3016878B1 (fr) *	2014-01-30	2017-07-07	Liliz	Polymere super absorbant modifie renfermant un engrais
RU2651290C1 (ru) *	2017-08-15	2018-04-19	Федеральное государственное бюджетное образовательное учреждение высшего образования "Кубанский государственный аграрный университет имени И.Т. Трубилина"	Субстрат для выращивания плодовых саженцев
JP2021010303A (ja) *	2019-07-03	2021-02-04	株式会社クラレ	保水材
WO2023004045A2 (fr) *	2021-07-21	2023-01-26	Dryject Inc. Acquisition Corporation	Polymères superabsorbants non hydratés traités
US12534668B2 (en) *	2023-12-11	2026-01-27	Enyi Ren	Composite for enabling sandy soil to have water retention and nutrient retention capabilities, water-retaining agent, and its preparation method and use thereof

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1996
- 1996-09-17 GB GBGB9619415.4A patent/GB9619415D0/en active Pending
1997
- 1997-09-15 AU AU41967/97A patent/AU4196797A/en not_active Abandoned
- 1997-09-15 CA CA002304239A patent/CA2304239A1/fr not_active Abandoned
- 1997-09-15 WO PCT/CA1997/000667 patent/WO1998012154A1/fr not_active Ceased

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CN107429162A (zh) *	2015-04-06	2017-12-01	Upl有限公司	吸水性组合物
US20180305618A1 (en) *	2015-04-06	2018-10-25	Upl Limited	Water absorbent composition
US10781372B2 (en) *	2015-04-06	2020-09-22	Upl Limited	Water absorbent composition
CN107429162B (zh) *	2015-04-06	2021-09-24	Upl有限公司	吸水性组合物

Also Published As

Publication number	Publication date
AU4196797A (en)	1998-04-14
GB9619415D0 (en)	1996-10-30
WO1998012154A1 (fr)	1998-03-26

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Date	Code	Title	Description
2002-09-16	FZDE	Dead

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