IL95058A - Nitropurentuine particles and their production - Google Patents

Nitropurentuine particles and their production

Info

Publication number: IL95058A
Authority: IL; Israel
Prior art keywords: nitrofurantoin; particulates; monohydrate; mesh; approximately
Prior art date: 1989-07-26

Application number

IL9505890A

Other languages

English (en)

Hebrew (he)

Other versions

IL95058A0 (en

Original Assignee

Procter & Gamble Pharma

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.)

1989-07-26

Filing date

1990-07-12

Publication date

1995-03-30

1990-07-12 Application filed by Procter & Gamble Pharma filed Critical Procter & Gamble Pharma

1991-06-10 Publication of IL95058A0 publication Critical patent/IL95058A0/xx

1995-03-30 Publication of IL95058A publication Critical patent/IL95058A/en

Links

NXFQHRVNIOXGAQ-YCRREMRBSA-N nitrofurantoin Chemical compound O1C([N+](=O)[O-])=CC=C1\C=N\N1C(=O)NC(=O)C1 NXFQHRVNIOXGAQ-YCRREMRBSA-N 0.000 title claims abstract description 173
229960000564 nitrofurantoin Drugs 0.000 title claims abstract description 170
238000002360 preparation method Methods 0.000 title description 3
NHBPVLAHAVEISO-JSGFVSQVSA-N 1-[(e)-(5-nitrofuran-2-yl)methylideneamino]imidazolidine-2,4-dione;hydrate Chemical compound O.O1C([N+](=O)[O-])=CC=C1\C=N\N1C(=O)NC(=O)C1 NHBPVLAHAVEISO-JSGFVSQVSA-N 0.000 claims abstract 6
239000000243 solution Substances 0.000 claims description 16
239000002245 particle Substances 0.000 claims description 13
238000002156 mixing Methods 0.000 claims description 8
238000009826 distribution Methods 0.000 claims description 6
238000004519 manufacturing process Methods 0.000 claims description 6
239000003242 anti bacterial agent Substances 0.000 claims description 4
239000007864 aqueous solution Substances 0.000 claims description 3
238000001914 filtration Methods 0.000 claims description 2
229920006395 saturated elastomer Polymers 0.000 claims description 2
239000002344 surface layer Substances 0.000 claims description 2
239000000203 mixture Substances 0.000 abstract description 38
239000007900 aqueous suspension Substances 0.000 abstract description 6
239000006186 oral dosage form Substances 0.000 abstract description 5
238000000034 method Methods 0.000 description 18
239000002552 dosage form Substances 0.000 description 15
239000000725 suspension Substances 0.000 description 14
239000013078 crystal Substances 0.000 description 13
XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 11
238000011282 treatment Methods 0.000 description 10
KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 description 9
SNAAJJQQZSMGQD-UHFFFAOYSA-N aluminum magnesium Chemical compound [Mg].[Al] SNAAJJQQZSMGQD-UHFFFAOYSA-N 0.000 description 8
230000000694 effects Effects 0.000 description 8
208000015181 infectious disease Diseases 0.000 description 8
239000000463 material Substances 0.000 description 8
IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 7
241001465754 Metazoa Species 0.000 description 7
239000002775 capsule Substances 0.000 description 6
150000001875 compounds Chemical class 0.000 description 6
239000000375 suspending agent Substances 0.000 description 5
208000018522 Gastrointestinal disease Diseases 0.000 description 4
PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 4
238000004458 analytical method Methods 0.000 description 4
238000005259 measurement Methods 0.000 description 4
LXCFILQKKLGQFO-UHFFFAOYSA-N methylparaben Chemical compound COC(=O)C1=CC=C(O)C=C1 LXCFILQKKLGQFO-UHFFFAOYSA-N 0.000 description 4
230000008569 process Effects 0.000 description 4
QELSKZZBTMNZEB-UHFFFAOYSA-N propylparaben Chemical compound CCCOC(=O)C1=CC=C(O)C=C1 QELSKZZBTMNZEB-UHFFFAOYSA-N 0.000 description 4
239000007787 solid Substances 0.000 description 4
239000000126 substance Substances 0.000 description 4
-1 5-nitro-2-furanyl Chemical group 0.000 description 3
238000002835 absorbance Methods 0.000 description 3
230000002411 adverse Effects 0.000 description 3
230000008901 benefit Effects 0.000 description 3
239000001768 carboxy methyl cellulose Substances 0.000 description 3
239000003814 drug Substances 0.000 description 3
239000008187 granular material Substances 0.000 description 3
239000007788 liquid Substances 0.000 description 3
239000002932 luster Substances 0.000 description 3
150000004682 monohydrates Chemical class 0.000 description 3
229910052757 nitrogen Inorganic materials 0.000 description 3
238000011269 treatment regimen Methods 0.000 description 3
208000019206 urinary tract infection Diseases 0.000 description 3
230000004580 weight loss Effects 0.000 description 3
229920002134 Carboxymethyl cellulose Polymers 0.000 description 2
FBPFZTCFMRRESA-FSIIMWSLSA-N D-Glucitol Natural products OC[C@H](O)[C@H](O)[C@@H](O)[C@H](O)CO FBPFZTCFMRRESA-FSIIMWSLSA-N 0.000 description 2
RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 2
241000590002 Helicobacter pylori Species 0.000 description 2
241000282412 Homo Species 0.000 description 2
VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 2
239000002253 acid Substances 0.000 description 2
239000011149 active material Substances 0.000 description 2
208000026935 allergic disease Diseases 0.000 description 2
230000002421 anti-septic effect Effects 0.000 description 2
229940088710 antibiotic agent Drugs 0.000 description 2
235000010948 carboxy methyl cellulose Nutrition 0.000 description 2
239000008112 carboxymethyl-cellulose Substances 0.000 description 2
229920003086 cellulose ether Polymers 0.000 description 2
239000003086 colorant Substances 0.000 description 2
GUJOJGAPFQRJSV-UHFFFAOYSA-N dialuminum;dioxosilane;oxygen(2-);hydrate Chemical compound O.[O-2].[O-2].[O-2].[Al+3].[Al+3].O=[Si]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O GUJOJGAPFQRJSV-UHFFFAOYSA-N 0.000 description 2
239000003085 diluting agent Substances 0.000 description 2
239000000839 emulsion Substances 0.000 description 2
239000000796 flavoring agent Substances 0.000 description 2
239000012530 fluid Substances 0.000 description 2
235000003599 food sweetener Nutrition 0.000 description 2
235000011187 glycerol Nutrition 0.000 description 2
230000007794 irritation Effects 0.000 description 2
229940090037 macrodantin Drugs 0.000 description 2
230000001404 mediated effect Effects 0.000 description 2
BDAGIHXWWSANSR-UHFFFAOYSA-N methanoic acid Natural products OC=O BDAGIHXWWSANSR-UHFFFAOYSA-N 0.000 description 2
229920000609 methyl cellulose Polymers 0.000 description 2
239000004292 methyl p-hydroxybenzoate Substances 0.000 description 2
235000010270 methyl p-hydroxybenzoate Nutrition 0.000 description 2
235000010981 methylcellulose Nutrition 0.000 description 2
229960002216 methylparaben Drugs 0.000 description 2
230000000813 microbial effect Effects 0.000 description 2
230000004048 modification Effects 0.000 description 2
238000012986 modification Methods 0.000 description 2
229910052901 montmorillonite Inorganic materials 0.000 description 2
239000003755 preservative agent Substances 0.000 description 2
239000004405 propyl p-hydroxybenzoate Substances 0.000 description 2
235000010232 propyl p-hydroxybenzoate Nutrition 0.000 description 2
229960003415 propylparaben Drugs 0.000 description 2
239000000600 sorbitol Substances 0.000 description 2
238000004659 sterilization and disinfection Methods 0.000 description 2
KDYFGRWQOYBRFD-UHFFFAOYSA-N succinic acid Chemical compound OC(=O)CCC(O)=O KDYFGRWQOYBRFD-UHFFFAOYSA-N 0.000 description 2
239000003765 sweetening agent Substances 0.000 description 2
230000001225 therapeutic effect Effects 0.000 description 2
230000001988 toxicity Effects 0.000 description 2
231100000419 toxicity Toxicity 0.000 description 2
LNAZSHAWQACDHT-XIYTZBAFSA-N (2r,3r,4s,5r,6s)-4,5-dimethoxy-2-(methoxymethyl)-3-[(2s,3r,4s,5r,6r)-3,4,5-trimethoxy-6-(methoxymethyl)oxan-2-yl]oxy-6-[(2r,3r,4s,5r,6r)-4,5,6-trimethoxy-2-(methoxymethyl)oxan-3-yl]oxyoxane Chemical compound CO[C@@H]1[C@@H](OC)[C@H](OC)[C@@H](COC)O[C@H]1O[C@H]1[C@H](OC)[C@@H](OC)[C@H](O[C@H]2[C@@H]([C@@H](OC)[C@H](OC)O[C@@H]2COC)OC)O[C@@H]1COC LNAZSHAWQACDHT-XIYTZBAFSA-N 0.000 description 1
OSWFIVFLDKOXQC-UHFFFAOYSA-N 4-(3-methoxyphenyl)aniline Chemical compound COC1=CC=CC(C=2C=CC(N)=CC=2)=C1 OSWFIVFLDKOXQC-UHFFFAOYSA-N 0.000 description 1
208000035143 Bacterial infection Diseases 0.000 description 1
OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 1
FBPFZTCFMRRESA-JGWLITMVSA-N D-glucitol Chemical compound OC[C@H](O)[C@@H](O)[C@H](O)[C@H](O)CO FBPFZTCFMRRESA-JGWLITMVSA-N 0.000 description 1
FEWJPZIEWOKRBE-JCYAYHJZSA-N Dextrotartaric acid Chemical compound OC(=O)[C@H](O)[C@@H](O)C(O)=O FEWJPZIEWOKRBE-JCYAYHJZSA-N 0.000 description 1
241000588724 Escherichia coli Species 0.000 description 1
208000007882 Gastritis Diseases 0.000 description 1
206010017964 Gastrointestinal infection Diseases 0.000 description 1
239000004354 Hydroxyethyl cellulose Substances 0.000 description 1
229920000663 Hydroxyethyl cellulose Polymers 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
FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
229920003091 Methocel™ Polymers 0.000 description 1
ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 1
241000220010 Rhode Species 0.000 description 1
229920002125 Sokalan® Polymers 0.000 description 1
FEWJPZIEWOKRBE-UHFFFAOYSA-N Tartaric acid Natural products [H+].[H+].[O-]C(=O)C(O)C(O)C([O-])=O FEWJPZIEWOKRBE-UHFFFAOYSA-N 0.000 description 1
DPXJVFZANSGRMM-UHFFFAOYSA-N acetic acid;2,3,4,5,6-pentahydroxyhexanal;sodium Chemical compound [Na].CC(O)=O.OCC(O)C(O)C(O)C(O)C=O DPXJVFZANSGRMM-UHFFFAOYSA-N 0.000 description 1
150000007513 acids Chemical class 0.000 description 1
230000009471 action Effects 0.000 description 1
ORILYTVJVMAKLC-UHFFFAOYSA-N adamantane Chemical compound C1C(C2)CC3CC1CC2C3 ORILYTVJVMAKLC-UHFFFAOYSA-N 0.000 description 1
229910001573 adamantine Inorganic materials 0.000 description 1
235000010443 alginic acid Nutrition 0.000 description 1
229920000615 alginic acid Polymers 0.000 description 1
229940009868 aluminum magnesium silicate Drugs 0.000 description 1
WMGSQTMJHBYJMQ-UHFFFAOYSA-N aluminum;magnesium;silicate Chemical compound [Mg+2].[Al+3].[O-][Si]([O-])([O-])[O-] WMGSQTMJHBYJMQ-UHFFFAOYSA-N 0.000 description 1
150000001413 amino acids Chemical class 0.000 description 1
230000000844 anti-bacterial effect Effects 0.000 description 1
230000000845 anti-microbial effect Effects 0.000 description 1
239000004599 antimicrobial Substances 0.000 description 1
229940064004 antiseptic throat preparations Drugs 0.000 description 1
230000002238 attenuated effect Effects 0.000 description 1
238000001210 attenuated total reflectance infrared spectroscopy Methods 0.000 description 1
208000022362 bacterial infectious disease Diseases 0.000 description 1
239000011575 calcium Substances 0.000 description 1
229910052791 calcium Inorganic materials 0.000 description 1
150000001735 carboxylic acids Chemical class 0.000 description 1
229940105329 carboxymethylcellulose Drugs 0.000 description 1
238000012512 characterization method Methods 0.000 description 1
239000003795 chemical substances by application Substances 0.000 description 1
238000002512 chemotherapy Methods 0.000 description 1
238000010961 commercial manufacture process Methods 0.000 description 1
239000012612 commercial material Substances 0.000 description 1
238000001816 cooling Methods 0.000 description 1
239000008367 deionised water Substances 0.000 description 1
229910021641 deionized water Inorganic materials 0.000 description 1
230000001419 dependent effect Effects 0.000 description 1
239000000645 desinfectant Substances 0.000 description 1
229910001873 dinitrogen Inorganic materials 0.000 description 1
208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
239000006185 dispersion Substances 0.000 description 1
238000004090 dissolution Methods 0.000 description 1
229940079593 drug Drugs 0.000 description 1
239000003937 drug carrier Substances 0.000 description 1
238000009509 drug development Methods 0.000 description 1
239000002895 emetic Substances 0.000 description 1
239000003995 emulsifying agent Substances 0.000 description 1
239000000945 filler Substances 0.000 description 1
239000010419 fine particle Substances 0.000 description 1
235000019634 flavors Nutrition 0.000 description 1
235000013355 food flavoring agent Nutrition 0.000 description 1
235000019253 formic acid Nutrition 0.000 description 1
238000009472 formulation Methods 0.000 description 1
239000007789 gas Substances 0.000 description 1
230000002496 gastric effect Effects 0.000 description 1
210000001035 gastrointestinal tract Anatomy 0.000 description 1
239000007903 gelatin capsule Substances 0.000 description 1
239000011521 glass Substances 0.000 description 1
229960005150 glycerol Drugs 0.000 description 1
BBKFSSMUWOMYPI-UHFFFAOYSA-N gold palladium Chemical compound [Pd].[Au] BBKFSSMUWOMYPI-UHFFFAOYSA-N 0.000 description 1
238000010438 heat treatment Methods 0.000 description 1
239000001307 helium Substances 0.000 description 1
229910052734 helium Inorganic materials 0.000 description 1
SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 description 1
239000003752 hydrotrope Substances 0.000 description 1
150000004679 hydroxides Chemical class 0.000 description 1
235000019447 hydroxyethyl cellulose Nutrition 0.000 description 1
229940071826 hydroxyethyl cellulose Drugs 0.000 description 1
230000006872 improvement Effects 0.000 description 1
239000011261 inert gas Substances 0.000 description 1
239000012678 infectious agent Substances 0.000 description 1
238000002329 infrared spectrum Methods 0.000 description 1
230000002401 inhibitory effect Effects 0.000 description 1
229910052500 inorganic mineral Inorganic materials 0.000 description 1
239000010410 layer Substances 0.000 description 1
239000006194 liquid suspension Substances 0.000 description 1
239000011777 magnesium Substances 0.000 description 1
229910052749 magnesium Inorganic materials 0.000 description 1
238000000691 measurement method Methods 0.000 description 1
238000002844 melting Methods 0.000 description 1
230000008018 melting Effects 0.000 description 1
239000001923 methylcellulose Substances 0.000 description 1
229960002900 methylcellulose Drugs 0.000 description 1
125000000325 methylidene group Chemical group [H]C([H])=* 0.000 description 1
244000005700 microbiome Species 0.000 description 1
239000011707 mineral Substances 0.000 description 1
239000007971 pharmaceutical suspension Substances 0.000 description 1
239000008104 plant cellulose Substances 0.000 description 1
229920000642 polymer Polymers 0.000 description 1
239000011591 potassium Substances 0.000 description 1
229910052700 potassium Inorganic materials 0.000 description 1
239000000843 powder Substances 0.000 description 1
238000004321 preservation Methods 0.000 description 1
238000011321 prophylaxis Methods 0.000 description 1
239000008213 purified water Substances 0.000 description 1
229910000275 saponite Inorganic materials 0.000 description 1
229910001753 sapphirine Inorganic materials 0.000 description 1
239000012047 saturated solution Substances 0.000 description 1
238000004626 scanning electron microscopy Methods 0.000 description 1
238000012216 screening Methods 0.000 description 1
229910021647 smectite Inorganic materials 0.000 description 1
239000011734 sodium Substances 0.000 description 1
229910052708 sodium Inorganic materials 0.000 description 1
235000019812 sodium carboxymethyl cellulose Nutrition 0.000 description 1
229920001027 sodium carboxymethylcellulose Polymers 0.000 description 1
239000007909 solid dosage form Substances 0.000 description 1
239000002904 solvent Substances 0.000 description 1
238000001228 spectrum Methods 0.000 description 1
230000001954 sterilising effect Effects 0.000 description 1
210000002784 stomach Anatomy 0.000 description 1
238000003860 storage Methods 0.000 description 1
239000001384 succinic acid Substances 0.000 description 1
239000004094 surface-active agent Substances 0.000 description 1
230000002459 sustained effect Effects 0.000 description 1
208000024891 symptom Diseases 0.000 description 1
239000003826 tablet Substances 0.000 description 1
239000011975 tartaric acid Substances 0.000 description 1
235000002906 tartaric acid Nutrition 0.000 description 1
238000012360 testing method Methods 0.000 description 1
PGAPATLGJSQQBU-UHFFFAOYSA-M thallium(i) bromide Chemical compound [Tl]Br PGAPATLGJSQQBU-UHFFFAOYSA-M 0.000 description 1
238000002560 therapeutic procedure Methods 0.000 description 1
238000002076 thermal analysis method Methods 0.000 description 1
238000002411 thermogravimetry Methods 0.000 description 1
210000002700 urine Anatomy 0.000 description 1
238000005303 weighing Methods 0.000 description 1
239000000230 xanthan gum Substances 0.000 description 1
235000010493 xanthan gum Nutrition 0.000 description 1
229920001285 xanthan gum Polymers 0.000 description 1
229940082509 xanthan gum Drugs 0.000 description 1

Classifications

- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D405/00—Heterocyclic compounds containing both one or more hetero rings having oxygen atoms as the only ring hetero atoms, and one or more rings having nitrogen as the only ring hetero atom
- C07D405/02—Heterocyclic compounds containing both one or more hetero rings having oxygen atoms as the only ring hetero atoms, and one or more rings having nitrogen as the only ring hetero atom containing two hetero rings
- C07D405/12—Heterocyclic compounds containing both one or more hetero rings having oxygen atoms as the only ring hetero atoms, and one or more rings having nitrogen as the only ring hetero atom containing two hetero rings linked by a chain containing hetero atoms as chain links

Landscapes

Chemical & Material Sciences (AREA)
Organic Chemistry (AREA)
Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
Saccharide Compounds (AREA)
Nitrogen Condensed Heterocyclic Rings (AREA)

IL9505890A 1989-07-26 1990-07-12 Nitropurentuine particles and their production IL95058A (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US38605089A	1989-07-26	1989-07-26

Publications (2)

Publication Number	Publication Date
IL95058A0 IL95058A0 (en)	1991-06-10
IL95058A true IL95058A (en)	1995-03-30

Family

ID=23523951

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
IL9505890A IL95058A (en)	1989-07-26	1990-07-12	Nitropurentuine particles and their production

Country Status (10)

Country	Link
EP (1)	EP0412592B1 (de)
AT (1)	ATE124041T1 (de)
AU (1)	AU641411B2 (de)
CA (1)	CA2020813C (de)
DE (1)	DE69020257T2 (de)
DK (1)	DK0412592T3 (de)
ES (1)	ES2073512T3 (de)
IE (1)	IE67044B1 (de)
IL (1)	IL95058A (de)
NZ (1)	NZ234636A (de)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
SK282656B6 (sk) *	1991-08-14	2002-11-06	Procter And Gamble Pharmaceuticals	4-Oxocyklická zlúčenina močoviny použiteľná ako antiarytmické a antifibrilačné činidlo a farmaceutický prostriedok s jej obsahom
KR101974412B1 (ko)	2018-02-28	2019-05-02	보령제약 주식회사	약학적 제제 및 이의 제조방법
CN110776499A (zh) *	2019-09-27	2020-02-11	济南金达药化有限公司	呋喃妥因一水合物晶体的制备方法以及呋喃妥因一水合物晶体
CN117771201A (zh) *	2023-09-28	2024-03-29	浙江普洛康裕制药有限公司	一种呋喃妥因大晶体胶囊及其制备工艺

1990
- 1990-07-10 CA CA002020813A patent/CA2020813C/en not_active Expired - Lifetime
- 1990-07-12 IL IL9505890A patent/IL95058A/en not_active IP Right Cessation
- 1990-07-18 AT AT90201965T patent/ATE124041T1/de not_active IP Right Cessation
- 1990-07-18 DK DK90201965.2T patent/DK0412592T3/da active
- 1990-07-18 ES ES90201965T patent/ES2073512T3/es not_active Expired - Lifetime
- 1990-07-18 DE DE69020257T patent/DE69020257T2/de not_active Expired - Fee Related
- 1990-07-18 EP EP90201965A patent/EP0412592B1/de not_active Expired - Lifetime
- 1990-07-24 NZ NZ234636A patent/NZ234636A/xx unknown
- 1990-07-24 IE IE269290A patent/IE67044B1/en not_active IP Right Cessation
- 1990-07-24 AU AU59753/90A patent/AU641411B2/en not_active Ceased

Also Published As

Publication number	Publication date
ES2073512T3 (es)	1995-08-16
NZ234636A (en)	1993-08-26
EP0412592B1 (de)	1995-06-21
AU641411B2 (en)	1993-09-23
DE69020257T2 (de)	1995-12-21
IE67044B1 (en)	1996-02-21
CA2020813C (en)	1995-08-01
DK0412592T3 (da)	1995-08-14
DE69020257D1 (de)	1995-07-27
IL95058A0 (en)	1991-06-10
IE902692A1 (en)	1991-02-27
EP0412592A1 (de)	1991-02-13
AU5975390A (en)	1991-09-30
ATE124041T1 (de)	1995-07-15

Legal Events

Date	Code	Title
1996-10-16	KB	Patent renewed
2000-10-31	KB	Patent renewed
2005-07-25	MM9K	Patent not in force due to non-payment of renewal fees

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