FR2541990A1 - Polysaccharides alkylsulfones, melanges de mortier et de beton les contenant et procede pour augmenter leur aptitude a l'ecoulement - Google Patents

Polysaccharides alkylsulfones, melanges de mortier et de beton les contenant et procede pour augmenter leur aptitude a l'ecoulement Download PDF

Info

Publication number: FR2541990A1
Authority: FR; France
Prior art keywords: degree; polysaccharide; water; sulfonation; starch
Prior art date: 1983-03-03
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 Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.): Withdrawn

Application number

FR8403166A

Other languages

English (en)

French (fr)

Inventor

Fabio Tegiacchi

Tegiacchi Et Benito Casu Fabio

Benito Casu

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.)

Boston SpA

Original Assignee

Boston SpA

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.)

1983-03-03

Filing date

1984-02-29

Publication date

1984-09-07

1984-02-29 Application filed by Boston SpA filed Critical Boston SpA

1984-09-07 Publication of FR2541990A1 publication Critical patent/FR2541990A1/fr

Status Withdrawn legal-status Critical Current

Links

239000004570 mortar (masonry) Substances 0.000 title claims abstract description 30
239000004567 concrete Substances 0.000 title claims abstract description 24
229920001282 polysaccharide Polymers 0.000 title claims abstract description 20
239000005017 polysaccharide Substances 0.000 title claims abstract description 20
150000004676 glycans Chemical class 0.000 title claims abstract description 19
239000000203 mixture Substances 0.000 title claims description 40
238000000034 method Methods 0.000 title claims description 10
239000003795 chemical substances by application Substances 0.000 claims abstract description 70
238000006277 sulfonation reaction Methods 0.000 claims abstract description 18
-1 SULFOETHYL Chemical class 0.000 claims abstract description 11
238000006116 polymerization reaction Methods 0.000 claims abstract description 9
XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 35
229920002472 Starch Polymers 0.000 claims description 32
235000019698 starch Nutrition 0.000 claims description 32
239000008107 starch Substances 0.000 claims description 27
239000011230 binding agent Substances 0.000 claims description 15
LHORZPMPPHTXFQ-UHFFFAOYSA-N 1-chloroethanesulfonic acid Chemical compound CC(Cl)S(O)(=O)=O LHORZPMPPHTXFQ-UHFFFAOYSA-N 0.000 claims description 5
229920002488 Hemicellulose Polymers 0.000 claims description 5
229920002678 cellulose Polymers 0.000 claims description 5
239000001913 cellulose Substances 0.000 claims description 5
125000000217 alkyl group Chemical group 0.000 claims description 3
150000001768 cations Chemical class 0.000 claims description 3
235000013379 molasses Nutrition 0.000 claims description 2
239000011396 hydraulic cement Substances 0.000 claims 3
235000010980 cellulose Nutrition 0.000 claims 1
238000010276 construction Methods 0.000 abstract description 2
238000000655 nuclear magnetic resonance spectrum Methods 0.000 abstract description 2
239000004568 cement Substances 0.000 description 17
230000000694 effects Effects 0.000 description 16
HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 12
239000000463 material Substances 0.000 description 7
OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 6
238000012360 testing method Methods 0.000 description 5
150000001412 amines Chemical class 0.000 description 4
239000004033 plastic Substances 0.000 description 4
QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 3
KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 3
239000000654 additive Substances 0.000 description 3
238000000227 grinding Methods 0.000 description 3
238000004519 manufacturing process Methods 0.000 description 3
229920000417 polynaphthalene Polymers 0.000 description 3
239000011541 reaction mixture Substances 0.000 description 3
239000011734 sodium Substances 0.000 description 3
238000003756 stirring Methods 0.000 description 3
238000006467 substitution reaction Methods 0.000 description 3
BDHFUVZGWQCTTF-UHFFFAOYSA-M sulfonate Chemical compound [O-]S(=O)=O BDHFUVZGWQCTTF-UHFFFAOYSA-M 0.000 description 3
239000000725 suspension Substances 0.000 description 3
FSSPGSAQUIYDCN-UHFFFAOYSA-N 1,3-Propane sultone Chemical compound O=S1(=O)CCCO1 FSSPGSAQUIYDCN-UHFFFAOYSA-N 0.000 description 2
MCXZBEZHTYZNRE-UHFFFAOYSA-N 1-chloropropane-1-sulfonic acid Chemical compound CCC(Cl)S(O)(=O)=O MCXZBEZHTYZNRE-UHFFFAOYSA-N 0.000 description 2
FXKMTSIKHBYZSZ-UHFFFAOYSA-N 2-chloroethanesulfonic acid Chemical compound OS(=O)(=O)CCCl FXKMTSIKHBYZSZ-UHFFFAOYSA-N 0.000 description 2
CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 2
OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 2
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 2
229920001732 Lignosulfonate Polymers 0.000 description 2
229920000877 Melamine resin Polymers 0.000 description 2
239000002253 acid Substances 0.000 description 2
239000011575 calcium Substances 0.000 description 2
229910052791 calcium Inorganic materials 0.000 description 2
NEHMKBQYUWJMIP-UHFFFAOYSA-N chloromethane Chemical compound ClC NEHMKBQYUWJMIP-UHFFFAOYSA-N 0.000 description 2
239000012528 membrane Substances 0.000 description 2
239000004014 plasticizer Substances 0.000 description 2
229910052708 sodium Inorganic materials 0.000 description 2
159000000000 sodium salts Chemical class 0.000 description 2
125000004964 sulfoalkyl group Chemical group 0.000 description 2
YSGQGNQWBLYHPE-CFUSNLFHSA-N (7r,8r,9s,10r,13s,14s,17s)-17-hydroxy-7,13-dimethyl-2,6,7,8,9,10,11,12,14,15,16,17-dodecahydro-1h-cyclopenta[a]phenanthren-3-one Chemical compound C1C[C@]2(C)[C@@H](O)CC[C@H]2[C@@H]2[C@H](C)CC3=CC(=O)CC[C@@H]3[C@H]21 YSGQGNQWBLYHPE-CFUSNLFHSA-N 0.000 description 1
AEQDJSLRWYMAQI-UHFFFAOYSA-N 2,3,9,10-tetramethoxy-6,8,13,13a-tetrahydro-5H-isoquinolino[2,1-b]isoquinoline Chemical compound C1CN2CC(C(=C(OC)C=C3)OC)=C3CC2C2=C1C=C(OC)C(OC)=C2 AEQDJSLRWYMAQI-UHFFFAOYSA-N 0.000 description 1
QTBSBXVTEAMEQO-UHFFFAOYSA-M Acetate Chemical compound CC([O-])=O QTBSBXVTEAMEQO-UHFFFAOYSA-M 0.000 description 1
QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 description 1
239000004604 Blowing Agent Substances 0.000 description 1
OCUCCJIRFHNWBP-IYEMJOQQSA-L Copper gluconate Chemical class [Cu+2].OC[C@@H](O)[C@@H](O)[C@H](O)[C@@H](O)C([O-])=O.OC[C@@H](O)[C@@H](O)[C@H](O)[C@@H](O)C([O-])=O OCUCCJIRFHNWBP-IYEMJOQQSA-L 0.000 description 1
WQZGKKKJIJFFOK-GASJEMHNSA-N Glucose Natural products OC[C@H]1OC(O)[C@H](O)[C@@H](O)[C@@H]1O WQZGKKKJIJFFOK-GASJEMHNSA-N 0.000 description 1
239000004640 Melamine resin Substances 0.000 description 1
229920000881 Modified starch Polymers 0.000 description 1
239000004368 Modified starch Substances 0.000 description 1
239000011398 Portland cement Substances 0.000 description 1
ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 1
ATUOYWHBWRKTHZ-UHFFFAOYSA-N Propane Chemical compound CCC ATUOYWHBWRKTHZ-UHFFFAOYSA-N 0.000 description 1
QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 1
229920002253 Tannate Polymers 0.000 description 1
239000011400 blast furnace cement Substances 0.000 description 1
230000000740 bleeding effect Effects 0.000 description 1
150000001720 carbohydrates Chemical class 0.000 description 1
235000014633 carbohydrates Nutrition 0.000 description 1
229920002301 cellulose acetate Polymers 0.000 description 1
238000006243 chemical reaction Methods 0.000 description 1
HRYZWHHZPQKTII-UHFFFAOYSA-N chloroethane Chemical compound CCCl HRYZWHHZPQKTII-UHFFFAOYSA-N 0.000 description 1
HMPHJJBZKIZRHG-UHFFFAOYSA-N chloromethanesulfonic acid Chemical compound OS(=O)(=O)CCl HMPHJJBZKIZRHG-UHFFFAOYSA-N 0.000 description 1
230000006835 compression Effects 0.000 description 1
238000007906 compression Methods 0.000 description 1
238000001816 cooling Methods 0.000 description 1
229960003750 ethyl chloride Drugs 0.000 description 1
239000010881 fly ash Substances 0.000 description 1
239000008103 glucose Substances 0.000 description 1
150000002334 glycols Chemical class 0.000 description 1
230000036571 hydration Effects 0.000 description 1
238000006703 hydration reaction Methods 0.000 description 1
125000002887 hydroxy group Chemical group [H]O* 0.000 description 1
239000004615 ingredient Substances 0.000 description 1
229910052751 metal Inorganic materials 0.000 description 1
239000002184 metal Substances 0.000 description 1
238000002156 mixing Methods 0.000 description 1
235000019426 modified starch Nutrition 0.000 description 1
239000012452 mother liquor Substances 0.000 description 1
APVPOHHVBBYQAV-UHFFFAOYSA-N n-(4-aminophenyl)sulfonyloctadecanamide Chemical compound CCCCCCCCCCCCCCCCCC(=O)NS(=O)(=O)C1=CC=C(N)C=C1 APVPOHHVBBYQAV-UHFFFAOYSA-N 0.000 description 1
SNMVRZFUUCLYTO-UHFFFAOYSA-N n-propyl chloride Chemical compound CCCCl SNMVRZFUUCLYTO-UHFFFAOYSA-N 0.000 description 1
PSZYNBSKGUBXEH-UHFFFAOYSA-M naphthalene-1-sulfonate Chemical compound C1=CC=C2C(S(=O)(=O)[O-])=CC=CC2=C1 PSZYNBSKGUBXEH-UHFFFAOYSA-M 0.000 description 1
238000006386 neutralization reaction Methods 0.000 description 1
239000004848 polyfunctional curative Substances 0.000 description 1
150000004804 polysaccharides Polymers 0.000 description 1
229910052700 potassium Inorganic materials 0.000 description 1
239000011591 potassium Substances 0.000 description 1
239000011178 precast concrete Substances 0.000 description 1
238000001556 precipitation Methods 0.000 description 1
238000002360 preparation method Methods 0.000 description 1
150000003141 primary amines Chemical class 0.000 description 1
239000002994 raw material Substances 0.000 description 1
150000003333 secondary alcohols Chemical class 0.000 description 1
150000003335 secondary amines Chemical class 0.000 description 1
238000005204 segregation Methods 0.000 description 1
239000002893 slag Substances 0.000 description 1
239000000176 sodium gluconate Substances 0.000 description 1
235000012207 sodium gluconate Nutrition 0.000 description 1
229940005574 sodium gluconate Drugs 0.000 description 1
238000004611 spectroscopical analysis Methods 0.000 description 1
150000003871 sulfonates Chemical class 0.000 description 1
125000001273 sulfonato group Chemical group [O-]S(*)(=O)=O 0.000 description 1
229910021653 sulphate ion Inorganic materials 0.000 description 1
150000008053 sultones Chemical class 0.000 description 1
235000020357 syrup Nutrition 0.000 description 1
239000006188 syrup Substances 0.000 description 1
150000003512 tertiary amines Chemical class 0.000 description 1
238000004154 testing of material Methods 0.000 description 1
230000037303 wrinkles Effects 0.000 description 1

Classifications

- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08B—POLYSACCHARIDES; DERIVATIVES THEREOF
- C08B31/00—Preparation of derivatives of starch
- C08B31/08—Ethers
- C08B31/12—Ethers having alkyl or cycloalkyl radicals substituted by heteroatoms, e.g. hydroxyalkyl or carboxyalkyl starch
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B24/00—Use of organic materials as active ingredients for mortars, concrete or artificial stone, e.g. plasticisers
- C04B24/16—Sulfur-containing compounds
- C04B24/161—Macromolecular compounds comprising sulfonate or sulfate groups
- C04B24/168—Polysaccharide derivatives, e.g. starch sulfate
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08B—POLYSACCHARIDES; DERIVATIVES THEREOF
- C08B11/00—Preparation of cellulose ethers
- C08B11/02—Alkyl or cycloalkyl ethers
- C08B11/04—Alkyl or cycloalkyl ethers with substituted hydrocarbon radicals
- C08B11/10—Alkyl or cycloalkyl ethers with substituted hydrocarbon radicals substituted with acid radicals

Landscapes

Chemical & Material Sciences (AREA)
Engineering & Computer Science (AREA)
Materials Engineering (AREA)
Organic Chemistry (AREA)
Biochemistry (AREA)
Health & Medical Sciences (AREA)
Chemical Kinetics & Catalysis (AREA)
Medicinal Chemistry (AREA)
Polymers & Plastics (AREA)
Life Sciences & Earth Sciences (AREA)
Ceramic Engineering (AREA)
Structural Engineering (AREA)
Curing Cements, Concrete, And Artificial Stone (AREA)
Polysaccharides And Polysaccharide Derivatives (AREA)

FR8403166A 1983-03-03 1984-02-29 Polysaccharides alkylsulfones, melanges de mortier et de beton les contenant et procede pour augmenter leur aptitude a l'ecoulement Withdrawn FR2541990A1 (fr)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
IT19879/83A IT1161592B (it)	1983-03-03	1983-03-03	Polisaccaridi alchilsolfonati ad attivita' fluidificante e matle e calcestruzzi contenenti detti polisaccaridi

Publications (1)

Publication Number	Publication Date
FR2541990A1 true FR2541990A1 (fr)	1984-09-07

Family

ID=11162016

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
FR8403166A Withdrawn FR2541990A1 (fr)	1983-03-03	1984-02-29	Polysaccharides alkylsulfones, melanges de mortier et de beton les contenant et procede pour augmenter leur aptitude a l'ecoulement

Country Status (10)

Country	Link
US (1)	USH493H (it)
BE (1)	BE899046A (it)
CA (1)	CA1217482A (it)
CH (1)	CH659241A5 (it)
DE (1)	DE3406745A1 (it)
FR (1)	FR2541990A1 (it)
GB (1)	GB2138014B (it)
IT (1)	IT1161592B (it)
NL (1)	NL8400642A (it)
SE (1)	SE8401151L (it)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE4203530A1 (de) *	1992-02-07	1993-08-12	Wolff Walsrode Ag	Verwendung von wasserloeslichen sulfoalkylderivaten der cellulose in gips- und zementhaltigen massen
DE4203529A1 (de) *	1992-02-07	1993-08-12	Wolff Walsrode Ag	Wasserloesliche sulfoalkylhydroxyalkylderivate der cellulose und deren verwendung in gips- und zementhaltigen massen
TR27111A (tr) *	1992-06-06	1994-11-09	Hoechst Ag	Sulfoakil grubu ihtiva eden alkilhidroksialkil selüloz eterleri.
US5591844A (en) *	1992-06-06	1997-01-07	Hoechst Aktiengesellschaft	Alkyl hydroxyalkyl cellulose ethers containing sulfoalkyl groups
US5573589A (en) *	1993-03-10	1996-11-12	Sandoz Ltd.	Cement compositions containing a sulfated polysaccharide and method
US5575840A (en) *	1993-10-29	1996-11-19	National Starch And Chemical Investment Holding Corporation	Cement mortar systems using blends of polysaccharides and cold-water-soluble, unmodified starches
DE19549409A1 (de) *	1995-05-24	1997-01-02	Hoechst Ag	Sulfonierte Regeneratcellulosefasern
DE19543304B4 (de) *	1995-11-21	2005-06-09	Skw Bauchemie Gmbh	Zusatzmittel für wasserhaltige Baustoffmischungen und dessen Verwendung
TW475922B (en) *	1996-11-27	2002-02-11	Kao Corp	A polysaccharide derivative and hydraulic compositions
IT1291309B1 (it) *	1997-05-06	1999-01-07	F B C Future Biolog Chemicals	Fluidificanti cementizi a base di amidi solfati
DE10209812A1 (de)	2001-03-22	2002-09-26	Degussa Construction Chem Gmbh	Verwendung von wasserlöslichen Polysaccharid-Derivaten als Dispergiermittel für mineralische Bindemittelsuspensionen
AU2004295325B2 (en) *	2003-12-01	2009-09-17	Gcp Applied Technologies Inc.	Gluconate broth for cement and concrete admixture

Citations (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2562148A (en) *	1949-07-11	1951-07-24	Phillips Petroleum Co	Low water-loss cement slurry
US2583657A (en) *	1949-07-11	1952-01-29	Phillips Petroleum Co	Low water-loss cement and process of making
US2795508A (en) *	1952-08-22	1957-06-11	Phillips Petroleum Co	Sulfoalkyl cellulose ethers and their salts as hydraulic natural cement set retarders
US3332791A (en) *	1964-05-12	1967-07-25	Rayonier Inc	Process for producing portland cement compositions

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2429211A (en)	1944-02-07	1947-10-21	Andes Ralph Verne	High-temperature cement modifier
US2896715A (en)	1952-05-05	1959-07-28	Phillips Petroleum Co	Hydraulic cements
US2820788A (en)	1955-02-24	1958-01-21	Du Pont	Process for preparing sodium sulfomethylcellulose
US2891057A (en)	1956-11-09	1959-06-16	Mo Och Domsjoe Ab	Methods of making cellulose ethers
US3530112A (en)	1967-07-24	1970-09-22	Itt Rayonier Inc	Process for preparing dispersants useful in hydraulic cement slurries
JPS6018615B2 (ja)	1976-03-10	1985-05-11	花王株式会社	水硬性セメント組成物

1983
- 1983-03-03 IT IT19879/83A patent/IT1161592B/it active
1984
- 1984-02-01 US US06/575,733 patent/USH493H/en not_active Abandoned
- 1984-02-24 DE DE19843406745 patent/DE3406745A1/de not_active Withdrawn
- 1984-02-29 FR FR8403166A patent/FR2541990A1/fr not_active Withdrawn
- 1984-02-29 NL NL8400642A patent/NL8400642A/nl not_active Application Discontinuation
- 1984-03-01 SE SE8401151A patent/SE8401151L/ not_active Application Discontinuation
- 1984-03-01 BE BE212480A patent/BE899046A/fr unknown
- 1984-03-01 GB GB08405407A patent/GB2138014B/en not_active Expired
- 1984-03-02 CH CH1020/84A patent/CH659241A5/de not_active IP Right Cessation
- 1984-03-02 CA CA000448712A patent/CA1217482A/en not_active Expired

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2562148A (en) *	1949-07-11	1951-07-24	Phillips Petroleum Co	Low water-loss cement slurry
US2583657A (en) *	1949-07-11	1952-01-29	Phillips Petroleum Co	Low water-loss cement and process of making
US2795508A (en) *	1952-08-22	1957-06-11	Phillips Petroleum Co	Sulfoalkyl cellulose ethers and their salts as hydraulic natural cement set retarders
US3332791A (en) *	1964-05-12	1967-07-25	Rayonier Inc	Process for producing portland cement compositions

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
CHEMICAL ABSTRACTS, vol. 72, no. 18, 4 mai 1970, page 71, résumé no. 91609f, Columbus, Ohio, US; M.A. RABINOVICH et al.: "Cellulose ethanesulfonate", & KHIM. TEKHNOL. PROIZVOD. TSELLYUL. 1968, 148-56 *
CONCRETE, vol. 2, janvier 1968, pages 40-44, Londres, GB; "Admixtures for concrete. Part 2. Properties of various admixtures" *

Also Published As

Publication number	Publication date
SE8401151L (sv)	1984-09-04
IT1161592B (it)	1987-03-18
IT8319879A0 (it)	1983-03-03
DE3406745A1 (de)	1984-09-06
CH659241A5 (de)	1987-01-15
CA1217482A (en)	1987-02-03
GB8405407D0 (en)	1984-04-04
IT8319879A1 (it)	1984-09-03
NL8400642A (nl)	1984-10-01
GB2138014B (en)	1986-04-09
SE8401151D0 (sv)	1984-03-01
USH493H (en)	1988-07-05
BE899046A (fr)	1984-07-02
GB2138014A (en)	1984-10-17

Legal Events

Date	Code	Title	Description
1986-06-06	TP	Transmission of property
1990-12-28	ST	Notification of lapse

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FR2521549A1 (fr)	1983-08-19	Composition superplastifiante de ciment
JPS6018615B2 (ja)	1985-05-11	水硬性セメント組成物
US4906298A (en)	1990-03-06	Hydraulic cement composition
USH493H (en)	1988-07-05	Alkylsulfonated polysaccharides and mortar and concrete mixes containing them
GB2164930A (en)	1986-04-03	Cement additives
US4662942A (en)	1987-05-05	Cement additives
WO1997013733A1 (en)	1997-04-17	Lignin-based concrete admixtures
CH638766A5 (fr)	1983-10-14	Composition aqueuse pour mortier resistant a la perte d'eau au cours du durcissement.
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JPS63285141A (ja)	1988-11-22	セメント分散剤
JPS59227753A (ja)	1984-12-21	セメント組成物
EP4077476A1 (fr)	2022-10-26	Composés fluidifiants pour compositions hydrauliques
SU1268535A1 (ru)	1986-11-07	Масса дл изготовлени асбестоцементных изделий