DE2062995A1 - Hydrophiles Copolymerisat - Google Patents

Hydrophiles Copolymerisat

Info

Publication number: DE2062995A1
Authority: DE; Germany
Prior art keywords: copolymer; parts; basic solution; mold; methyl methacrylate
Prior art date: 1970-05-13
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.): Pending

Application number

DE19702062995

Other languages

German (de)

English (en)

Inventor

Izhak Haifa Blank (Israel)

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.)

Hydrophilics International Inc

Original Assignee

Hydrophilics International Inc

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.)

1970-05-13

Filing date

1970-12-21

Publication date

1971-12-02

1970-12-21 Application filed by Hydrophilics International Inc filed Critical Hydrophilics International Inc

1971-12-02 Publication of DE2062995A1 publication Critical patent/DE2062995A1/de

Status Pending legal-status Critical Current

Links

NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 title claims abstract description 17
239000000463 material Substances 0.000 title claims description 15
229920001577 copolymer Polymers 0.000 claims abstract description 35
SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 claims abstract description 15
230000003287 optical effect Effects 0.000 claims abstract description 9
238000000034 method Methods 0.000 claims abstract description 8
229920001480 hydrophilic copolymer Polymers 0.000 claims abstract description 6
239000003637 basic solution Substances 0.000 claims description 26
238000007334 copolymerization reaction Methods 0.000 claims description 24
239000000203 mixture Substances 0.000 claims description 24
VVQNEPGJFQJSBK-UHFFFAOYSA-N Methyl methacrylate Chemical compound COC(=O)C(C)=C VVQNEPGJFQJSBK-UHFFFAOYSA-N 0.000 claims description 18
238000005266 casting Methods 0.000 claims description 10
239000003054 catalyst Substances 0.000 claims description 10
XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 9
239000000843 powder Substances 0.000 claims description 7
229920000058 polyacrylate Polymers 0.000 claims description 5
238000006243 chemical reaction Methods 0.000 claims description 3
239000002562 thickening agent Substances 0.000 claims description 3
238000002360 preparation method Methods 0.000 claims description 2
229920003229 poly(methyl methacrylate) Polymers 0.000 abstract description 4
208000035143 Bacterial infection Diseases 0.000 abstract description 3
208000022362 bacterial infectious disease Diseases 0.000 abstract description 3
230000002411 adverse Effects 0.000 abstract description 2
229920006397 acrylic thermoplastic Polymers 0.000 abstract 1
238000010438 heat treatment Methods 0.000 abstract 1
230000007794 irritation Effects 0.000 abstract 1
ISXSCDLOGDJUNJ-UHFFFAOYSA-N tert-butyl prop-2-enoate Chemical compound CC(C)(C)OC(=O)C=C ISXSCDLOGDJUNJ-UHFFFAOYSA-N 0.000 abstract 1
230000002209 hydrophobic effect Effects 0.000 description 17
239000000243 solution Substances 0.000 description 16
238000006116 polymerization reaction Methods 0.000 description 11
VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 description 10
239000000908 ammonium hydroxide Substances 0.000 description 10
-1 For example Polymers 0.000 description 9
MYRTYDVEIRVNKP-UHFFFAOYSA-N 1,2-Divinylbenzene Chemical compound C=CC1=CC=CC=C1C=C MYRTYDVEIRVNKP-UHFFFAOYSA-N 0.000 description 8
239000000126 substance Substances 0.000 description 8
229920000642 polymer Polymers 0.000 description 6
OZAIFHULBGXAKX-UHFFFAOYSA-N 2-(2-cyanopropan-2-yldiazenyl)-2-methylpropanenitrile Chemical compound N#CC(C)(C)N=NC(C)(C)C#N OZAIFHULBGXAKX-UHFFFAOYSA-N 0.000 description 5
239000000047 product Substances 0.000 description 5
UIIMBOGNXHQVGW-UHFFFAOYSA-M Sodium bicarbonate Chemical compound [Na+].OC([O-])=O UIIMBOGNXHQVGW-UHFFFAOYSA-M 0.000 description 4
230000035515 penetration Effects 0.000 description 4
HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
238000010521 absorption reaction Methods 0.000 description 3
239000007795 chemical reaction product Substances 0.000 description 3
238000004132 cross linking Methods 0.000 description 3
239000011521 glass Substances 0.000 description 3
230000005660 hydrophilic surface Effects 0.000 description 3
HZAXFHJVJLSVMW-UHFFFAOYSA-N 2-Aminoethan-1-ol Chemical compound NCCO HZAXFHJVJLSVMW-UHFFFAOYSA-N 0.000 description 2
CERQOIWHTDAKMF-UHFFFAOYSA-N Methacrylic acid Chemical compound CC(=C)C(O)=O CERQOIWHTDAKMF-UHFFFAOYSA-N 0.000 description 2
BAPJBEWLBFYGME-UHFFFAOYSA-N Methyl acrylate Chemical compound COC(=O)C=C BAPJBEWLBFYGME-UHFFFAOYSA-N 0.000 description 2
239000004698 Polyethylene Substances 0.000 description 2
239000004743 Polypropylene Substances 0.000 description 2
FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 2
229920006243 acrylic copolymer Polymers 0.000 description 2
235000013339 cereals Nutrition 0.000 description 2
239000002537 cosmetic Substances 0.000 description 2
239000003599 detergent Substances 0.000 description 2
238000001035 drying Methods 0.000 description 2
230000000694 effects Effects 0.000 description 2
STVZJERGLQHEKB-UHFFFAOYSA-N ethylene glycol dimethacrylate Chemical compound CC(=C)C(=O)OCCOC(=O)C(C)=C STVZJERGLQHEKB-UHFFFAOYSA-N 0.000 description 2
125000002887 hydroxy group Chemical group [H]O* 0.000 description 2
239000007788 liquid Substances 0.000 description 2
238000004519 manufacturing process Methods 0.000 description 2
239000000178 monomer Substances 0.000 description 2
239000003973 paint Substances 0.000 description 2
230000002093 peripheral effect Effects 0.000 description 2
150000002978 peroxides Chemical class 0.000 description 2
239000004014 plasticizer Substances 0.000 description 2
229920000573 polyethylene Polymers 0.000 description 2
239000004926 polymethyl methacrylate Substances 0.000 description 2
229920001155 polypropylene Polymers 0.000 description 2
229910000030 sodium bicarbonate Inorganic materials 0.000 description 2
235000017557 sodium bicarbonate Nutrition 0.000 description 2
JHPBZFOKBAGZBL-UHFFFAOYSA-N (3-hydroxy-2,2,4-trimethylpentyl) 2-methylprop-2-enoate Chemical compound CC(C)C(O)C(C)(C)COC(=O)C(C)=C JHPBZFOKBAGZBL-UHFFFAOYSA-N 0.000 description 1
LGJCFVYMIJLQJO-UHFFFAOYSA-N 1-dodecylperoxydodecane Chemical compound CCCCCCCCCCCCOOCCCCCCCCCCCC LGJCFVYMIJLQJO-UHFFFAOYSA-N 0.000 description 1
WDQMWEYDKDCEHT-UHFFFAOYSA-N 2-ethylhexyl 2-methylprop-2-enoate Chemical compound CCCCC(CC)COC(=O)C(C)=C WDQMWEYDKDCEHT-UHFFFAOYSA-N 0.000 description 1
JTHZUSWLNCPZLX-UHFFFAOYSA-N 6-fluoro-3-methyl-2h-indazole Chemical compound FC1=CC=C2C(C)=NNC2=C1 JTHZUSWLNCPZLX-UHFFFAOYSA-N 0.000 description 1
241000894006 Bacteria Species 0.000 description 1
JIGUQPWFLRLWPJ-UHFFFAOYSA-N Ethyl acrylate Chemical compound CCOC(=O)C=C JIGUQPWFLRLWPJ-UHFFFAOYSA-N 0.000 description 1
241000209140 Triticum Species 0.000 description 1
235000021307 Triticum Nutrition 0.000 description 1
150000001252 acrylic acid derivatives Chemical class 0.000 description 1
239000012670 alkaline solution Substances 0.000 description 1
230000005540 biological transmission Effects 0.000 description 1
238000012661 block copolymerization Methods 0.000 description 1
AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 description 1
239000000920 calcium hydroxide Substances 0.000 description 1
229910001861 calcium hydroxide Inorganic materials 0.000 description 1
125000002843 carboxylic acid group Chemical group 0.000 description 1
238000001816 cooling Methods 0.000 description 1
239000003431 cross linking reagent Substances 0.000 description 1
230000003247 decreasing effect Effects 0.000 description 1
201000010099 disease Diseases 0.000 description 1
208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
150000002148 esters Chemical class 0.000 description 1
SUPCQIBBMFXVTL-UHFFFAOYSA-N ethyl 2-methylprop-2-enoate Chemical compound CCOC(=O)C(C)=C SUPCQIBBMFXVTL-UHFFFAOYSA-N 0.000 description 1
239000012530 fluid Substances 0.000 description 1
230000017525 heat dissipation Effects 0.000 description 1
238000007654 immersion Methods 0.000 description 1
238000011065 in-situ storage Methods 0.000 description 1
239000004615 ingredient Substances 0.000 description 1
231100001032 irritation of the eye Toxicity 0.000 description 1
150000002734 metacrylic acid derivatives Chemical class 0.000 description 1
239000002245 particle Substances 0.000 description 1
PNJWIWWMYCMZRO-UHFFFAOYSA-N pent‐4‐en‐2‐one Natural products CC(=O)CC=C PNJWIWWMYCMZRO-UHFFFAOYSA-N 0.000 description 1
239000002685 polymerization catalyst Substances 0.000 description 1
229920001343 polytetrafluoroethylene Polymers 0.000 description 1
239000004810 polytetrafluoroethylene Substances 0.000 description 1
229920000915 polyvinyl chloride Polymers 0.000 description 1
239000004800 polyvinyl chloride Substances 0.000 description 1
239000011780 sodium chloride Substances 0.000 description 1
UKLNMMHNWFDKNT-UHFFFAOYSA-M sodium chlorite Chemical compound [Na+].[O-]Cl=O UKLNMMHNWFDKNT-UHFFFAOYSA-M 0.000 description 1
229960002218 sodium chlorite Drugs 0.000 description 1
239000002904 solvent Substances 0.000 description 1
229910001220 stainless steel Inorganic materials 0.000 description 1
239000010935 stainless steel Substances 0.000 description 1

Classifications

- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J7/00—Chemical treatment or coating of shaped articles made of macromolecular substances
- C08J7/12—Chemical modification
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F20/00—Homopolymers and copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical or a salt, anhydride, ester, amide, imide or nitrile thereof
- C08F20/62—Monocarboxylic acids having ten or more carbon atoms; Derivatives thereof
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F220/00—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical or a salt, anhydride ester, amide, imide or nitrile thereof
- C08F220/02—Monocarboxylic acids having less than ten carbon atoms; Derivatives thereof
- C08F220/04—Acids; Metal salts or ammonium salts thereof
- C08F220/06—Acrylic acid; Methacrylic acid; Metal salts or ammonium salts thereof
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F8/00—Chemical modification by after-treatment
- C08F8/44—Preparation of metal salts or ammonium salts
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/43—Thickening agents
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B1/00—Optical elements characterised by the material of which they are made; Optical coatings for optical elements
- G02B1/04—Optical elements characterised by the material of which they are made; Optical coatings for optical elements made of organic materials, e.g. plastics
- G02B1/041—Lenses
- G02B1/043—Contact lenses
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2333/00—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Derivatives of such polymers
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2333/00—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Derivatives of such polymers
- C08J2333/04—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Derivatives of such polymers esters
- C08J2333/06—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Derivatives of such polymers esters of esters containing only carbon, hydrogen, and oxygen, the oxygen atom being present only as part of the carboxyl radical
- C08J2333/10—Homopolymers or copolymers of methacrylic acid esters
- C08J2333/12—Homopolymers or copolymers of methyl methacrylate
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L33/00—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides or nitriles thereof; Compositions of derivatives of such polymers
- C08L33/02—Homopolymers or copolymers of acids; Metal or ammonium salts thereof
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L33/00—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides or nitriles thereof; Compositions of derivatives of such polymers
- C08L33/04—Homopolymers or copolymers of esters
- C08L33/06—Homopolymers or copolymers of esters of esters containing only carbon, hydrogen and oxygen, which oxygen atoms are present only as part of the carboxyl radical
- C08L33/10—Homopolymers or copolymers of methacrylic acid esters
- C08L33/12—Homopolymers or copolymers of methyl methacrylate

Landscapes

Chemical & Material Sciences (AREA)
Organic Chemistry (AREA)
Health & Medical Sciences (AREA)
Chemical Kinetics & Catalysis (AREA)
Medicinal Chemistry (AREA)
Polymers & Plastics (AREA)
General Chemical & Material Sciences (AREA)
Physics & Mathematics (AREA)
General Physics & Mathematics (AREA)
Optics & Photonics (AREA)
Life Sciences & Earth Sciences (AREA)
Engineering & Computer Science (AREA)
Materials Engineering (AREA)
Wood Science & Technology (AREA)
Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
Prostheses (AREA)
Eyeglasses (AREA)
Materials For Medical Uses (AREA)

DE19702062995 1970-05-13 1970-12-21 Hydrophiles Copolymerisat Pending DE2062995A1 (de)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US3693170A	1970-05-13	1970-05-13

Publications (1)

Publication Number	Publication Date
DE2062995A1 true DE2062995A1 (de)	1971-12-02

Family

ID=21891478

Family Applications (3)

Application Number	Title	Priority Date	Filing Date
DE19702062995 Pending DE2062995A1 (de)	1970-05-13	1970-12-21	Hydrophiles Copolymerisat
DE19712123751 Pending DE2123751A1 (de)	1970-05-13	1971-05-13	Hydrophiles Copolymerisat
DE19712123766 Pending DE2123766A1 (de)	1970-05-13	1971-05-13	Copolymerisat mit hydrophiler Oberfläche und daraus hergestellte Gegenstände, insbesondere Kontaktlinsen

Family Applications After (2)

Application Number	Title	Priority Date	Filing Date
DE19712123751 Pending DE2123751A1 (de)	1970-05-13	1971-05-13	Hydrophiles Copolymerisat
DE19712123766 Pending DE2123766A1 (de)	1970-05-13	1971-05-13	Copolymerisat mit hydrophiler Oberfläche und daraus hergestellte Gegenstände, insbesondere Kontaktlinsen

Country Status (8)

Country	Link
AT (2)	AT322204B (es)
BR (2)	BR7102884D0 (es)
CA (2)	CA983649A (es)
CH (2)	CH533648A (es)
DE (3)	DE2062995A1 (es)
ES (3)	ES391474A1 (es)
IL (1)	IL35515A0 (es)
ZA (2)	ZA712983B (es)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3865770A (en) *	1972-12-01	1975-02-11	Minnesota Mining & Mfg	Water-dispersible pressure-sensitive adhesive, tape made therewith, and novel tackifiers therefor
CS184061B1 (en) *	1975-03-05	1978-07-31	Slavko Hudecek	Powdered hydrophilic filler for polyvinylchloride and method of makig them
US4062817A (en) *	1977-04-04	1977-12-13	The B.F. Goodrich Company	Water absorbent polymers comprising unsaturated carboxylic acid, acrylic ester containing alkyl group 10-30 carbon atoms, and another acrylic ester containing alkyl group 2-8 carbon atoms
CA1184367A (en) *	1981-06-22	1985-03-26	Novartis Ag	Process for producing shaped articles having improved surfaces
DE3124980C1 (de) *	1981-06-25	1987-07-09	Fa. August Hohnholz, 2000 Hamburg	Verfahren zum Herstellen von Gegenständen aus geschäumtem Polymethylmethacrylat
US4569858A (en) *	1985-01-28	1986-02-11	Barnes-Hind, Inc.	Surface modification of hydrophilic contact lenses
EP0665240B1 (de) *	1994-01-28	1998-04-01	Th. Goldschmidt AG	Polymethacrylat-Polymethacrylsäure-Blockcopolymere

1970
- 1970-10-23 IL IL35515A patent/IL35515A0/xx unknown
- 1970-11-10 CH CH411472A patent/CH533648A/fr not_active IP Right Cessation
- 1970-11-10 CH CH1663670A patent/CH531545A/fr not_active IP Right Cessation
- 1970-12-21 DE DE19702062995 patent/DE2062995A1/de active Pending
1971
- 1971-03-07 ZA ZA712983*A patent/ZA712983B/xx unknown
- 1971-05-07 CA CA112,469A patent/CA983649A/en not_active Expired
- 1971-05-07 ZA ZA712986A patent/ZA712986B/xx unknown
- 1971-05-11 ES ES391474A patent/ES391474A1/es not_active Expired
- 1971-05-11 ES ES391473A patent/ES391473A1/es not_active Expired
- 1971-05-11 CA CA112719A patent/CA938048A/en not_active Expired
- 1971-05-13 DE DE19712123751 patent/DE2123751A1/de active Pending
- 1971-05-13 DE DE19712123766 patent/DE2123766A1/de active Pending
- 1971-05-13 BR BR2884/71A patent/BR7102884D0/pt unknown
- 1971-05-13 BR BR2885/71A patent/BR7102885D0/pt unknown
- 1971-05-13 AT AT418471A patent/AT322204B/de not_active IP Right Cessation
- 1971-05-13 AT AT418571A patent/ATA418571A/de not_active Application Discontinuation
1973
- 1973-08-14 ES ES417894A patent/ES417894A1/es not_active Expired

Also Published As

Publication number	Publication date
ATA418571A (de)	1977-09-15
AT322204B (de)	1975-05-12
CH533648A (fr)	1973-02-15
DE2123751A1 (de)	1971-12-02
DE2123766A1 (de)	1971-12-02
ES391474A1 (es)	1973-06-16
ZA712983B (en)	1972-01-26
ES417894A1 (es)	1976-08-01
ZA712986B (en)	1972-01-26
IL35515A0 (en)	1970-12-24
ES391473A1 (es)	1975-11-01
CH531545A (fr)	1972-12-15
CA983649A (en)	1976-02-10
BR7102884D0 (pt)	1973-04-05
BR7102885D0 (pt)	1973-04-05
CA938048A (en)	1973-12-04

Publication	Publication Date	Title
DE3200479C2 (es)	1991-02-28
DE2364675C2 (de)	1983-06-23	Aus einer Polymerenhauptkette und Polymerenseitenketten bestehendes Copolymeres und seine Verwendung zur Herstellung von Gegenständen für biomedizinische Zwecke
DE3587318T2 (de)	1993-09-16	Aus hydrogel geformter gegenstand.
DE2031871C3 (de)	1974-06-27	Überzugsmasse für Arzneiformen
DE1720449C3 (de)	1974-10-03	Durch Pfropfung von Styrol, Methylmethacrylat oder Isopren auf Polytetrafluoräthylen oder Polychlortrifluoräthylen erhaltene Pfropfmischpolymerisate. Ausscheidung aus: 1292387
DE2623056C2 (de)	1986-07-17	Verfahren zur Herstellung von festen wasserunlöslichen, in Methanol löslichen, hydrophilen Polymeren
DE1952514C3 (de)	1979-06-13	Vinylpyrrolidon-Polymerisate, Verfahren zu ihrer Herstellung und Verwendung derselben
DE2059409A1 (de)	1972-06-22	Hydrophile Gelpolymere
CH631652A5 (de)	1982-08-31	Form zur herstellung von kontaktlinsen.
CH637833A5 (de)	1983-08-31	Transparentes fluessigkeitsverbandmaterial, seine herstellung und verwendung.
DE2839249A1 (de)	1979-03-22	Verfahren zur herstellung einer weichen kontaktlinse und ausgangsloesung zur durchfuehrung des verfahrens
CH656624A5 (de)	1986-07-15	Verfahren zur herstellung einer bis zu hohen temperaturen stabilen und homogenen polymerlegierung sowie verwendung derselben.
DE1083057B (de)	1960-06-09	Verfahren zur Herstellung von bestaendigen, fliessfaehigen, polymerisierbaren Gemischen aus monomeren und polymeren Monovinylverbindungen
DE2725261C2 (de)	1986-10-09	Transparentes Flüssigkeitsverbandmaterial, seine Herstellung und Verwendung
DE2411895C2 (es)	1987-11-26
DE1227809B (de)	1966-10-27	Verfahren zum Feuchtigkeitsfestmachen von wasserempfindlichen Folien aus organischen Stoffen, insbesondere Cellulosehydrat, mittels Vinylidenchlorid-Polymerisaten
DE2648840A1 (de)	1977-04-28	Kontaktlinse aus einem hydrophilen polymerisat
DE2239206A1 (de)	1973-03-15	Copolymer
DE2062995A1 (de)	1971-12-02	Hydrophiles Copolymerisat
DE3917262A1 (de)	1989-12-07	Verfahren zur herstellung einer kontaktlinse
DE2541527A1 (de)	1976-03-25	Hydrogelbildendes polymeres
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