ATA15475A - METHOD FOR PREPARING A HYDROGEL - Google Patents

METHOD FOR PREPARING A HYDROGEL

Info

Publication number: ATA15475A
Authority: AT; Austria
Prior art keywords: hydrogel; preparing
Prior art date: 1974-01-11

Application number

AT15475A

Other languages

German (de)

Other versions

AT342295B (en

Original Assignee

Cpc 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.)

1974-01-11

Filing date

1975-01-10

Publication date

1977-07-15

1974-01-11 Priority claimed from US432788A external-priority patent/US3928255A/en

1975-01-10 Application filed by Cpc International Inc filed Critical Cpc International Inc

1977-07-15 Publication of ATA15475A publication Critical patent/ATA15475A/en

1978-03-28 Application granted granted Critical

1978-03-28 Publication of AT342295B publication Critical patent/AT342295B/en

Links

Classifications

- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G63/00—Macromolecular compounds obtained by reactions forming a carboxylic ester link in the main chain of the macromolecule
- C08G63/02—Polyesters derived from hydroxycarboxylic acids or from polycarboxylic acids and polyhydroxy compounds
- C08G63/12—Polyesters derived from hydroxycarboxylic acids or from polycarboxylic acids and polyhydroxy compounds derived from polycarboxylic acids and polyhydroxy compounds
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08C—TREATMENT OR CHEMICAL MODIFICATION OF RUBBERS
- C08C19/00—Chemical modification of rubber
- 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
- C08F2/00—Processes of polymerisation
- C08F2/04—Polymerisation in solution
- C08F2/06—Organic solvent
- C08F2/08—Organic solvent with the aid of dispersing agents for the polymer
- 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
- C08F290/00—Macromolecular compounds obtained by polymerising monomers on to polymers modified by introduction of aliphatic unsaturated end or side groups
- C08F290/02—Macromolecular compounds obtained by polymerising monomers on to polymers modified by introduction of aliphatic unsaturated end or side groups on to polymers modified by introduction of unsaturated end groups
- 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
- C08F290/00—Macromolecular compounds obtained by polymerising monomers on to polymers modified by introduction of aliphatic unsaturated end or side groups
- C08F290/02—Macromolecular compounds obtained by polymerising monomers on to polymers modified by introduction of aliphatic unsaturated end or side groups on to polymers modified by introduction of unsaturated end groups
- C08F290/04—Polymers provided for in subclasses C08C or C08F
- 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
- C08F290/00—Macromolecular compounds obtained by polymerising monomers on to polymers modified by introduction of aliphatic unsaturated end or side groups
- C08F290/02—Macromolecular compounds obtained by polymerising monomers on to polymers modified by introduction of aliphatic unsaturated end or side groups on to polymers modified by introduction of unsaturated end groups
- C08F290/04—Polymers provided for in subclasses C08C or C08F
- C08F290/044—Polymers of aromatic monomers as defined in group C08F12/00
- 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
- C08F299/00—Macromolecular compounds obtained by interreacting polymers involving only carbon-to-carbon unsaturated bond reactions, in the absence of non-macromolecular monomers
- 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
- 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
- C08F8/02—Alkylation
- 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
- C08F8/08—Epoxidation
- 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
- C08F8/12—Hydrolysis
- 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
- C08F8/14—Esterification
- 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
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/08—Processes
- C08G18/10—Prepolymer processes involving reaction of isocyanates or isothiocyanates with compounds having active hydrogen in a first reaction step
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/40—High-molecular-weight compounds
- C08G18/62—Polymers of compounds having carbon-to-carbon double bonds
- C08G18/6204—Polymers of olefins
- 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
- C08F2810/00—Chemical modification of a polymer
- C08F2810/30—Chemical modification of a polymer leading to the formation or introduction of aliphatic or alicyclic unsaturated groups
- 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
- C08F2810/00—Chemical modification of a polymer
- C08F2810/40—Chemical modification of a polymer taking place solely at one end or both ends of the polymer backbone, i.e. not in the side or lateral chains

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)
Graft Or Block Polymers (AREA)
Macromonomer-Based Addition Polymer (AREA)
Eyeglasses (AREA)
Materials For Medical Uses (AREA)
External Artificial Organs (AREA)
Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)

AT15475A 1974-01-11 1975-01-10 METHOD FOR PRODUCING A HYDROGEL AT342295B (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US432788A US3928255A (en)	1971-02-22	1974-01-11	Chemically joined, phase separated self-cured hydrophilic thermoplastic graft copolymers and their preparation

Publications (2)

Publication Number	Publication Date
ATA15475A true ATA15475A (en)	1977-07-15
AT342295B AT342295B (en)	1978-03-28

Family

ID=23717592

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
AT15475A AT342295B (en)	1974-01-11	1975-01-10	METHOD FOR PRODUCING A HYDROGEL

Country Status (18)

Country	Link
JP (2)	JPS6015647B2 (en)
AT (1)	AT342295B (en)
BE (1)	BE824306A (en)
BR (1)	BR7500180A (en)
CA (1)	CA1083290A (en)
DD (1)	DD116461A5 (en)
DE (1)	DE2500494A1 (en)
DK (1)	DK151816C (en)
ES (1)	ES433703A1 (en)
FI (1)	FI750060A7 (en)
FR (1)	FR2273018B1 (en)
GB (1)	GB1496931A (en)
IT (1)	IT1030092B (en)
NL (1)	NL182317C (en)
NO (1)	NO750074L (en)
NZ (1)	NZ176356A (en)
SE (2)	SE428212B (en)
ZA (1)	ZA75145B (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
FR2744125B1 (en) *	1996-01-30	1998-06-05	Peintures Jefco	GRAFT COPOLYMERS, THEIR MANUFACTURING METHOD, THE COMPOSITIONS CONTAINING THEM AND THEIR USE FOR THE PREPARATION OF PIGMENTAL DISPERSIONS IN AQUEOUS AND / OR ORGANIC MEDIA
JP4255192B2 (en) *	1999-12-21	2009-04-15	東レ・ダウコーニング株式会社	Fluorine-containing organopolysiloxane, dispersibility improver of fluororesin powder, and organic resin composition
DE602006016943D1 (en) *	2005-06-13	2010-10-28	Alcon Inc	MATERIALS FOR OPHTHALMIC AND OTORHINOLARYNGOLOGICAL DEVICES
TW200816966A (en) *	2006-07-21	2008-04-16	Alcon Mfg Ltd	Low-tack ophthalmic and otorhinolaryngological device materials
CN111566517B (en) *	2018-01-30	2023-11-10	爱尔康公司	Contact lenses having a lubricating coating thereon

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2976576A (en) *	1956-04-24	1961-03-28	Wichterle Otto	Process for producing shaped articles from three-dimensional hydrophilic high polymers
US3220960A (en) *	1960-12-21	1965-11-30	Wichterle Otto	Cross-linked hydrophilic polymers and articles made therefrom
US3503942A (en) *	1965-10-23	1970-03-31	Maurice Seiderman	Hydrophilic plastic contact lens
US3758448A (en) *	1971-10-05	1973-09-11	Union Optics Corp	Copolymers and hydrogels of unsaturated esters
GB1432783A (en) *	1972-04-14	1976-04-22	Cpc International Inc	Macromolecular monomers

1975
- 1975-01-07 NZ NZ176356A patent/NZ176356A/en unknown
- 1975-01-08 DE DE19752500494 patent/DE2500494A1/en active Granted
- 1975-01-08 SE SE7500142A patent/SE428212B/en not_active IP Right Cessation
- 1975-01-08 ZA ZA00750145A patent/ZA75145B/en unknown
- 1975-01-08 DK DK003775A patent/DK151816C/en not_active IP Right Cessation
- 1975-01-10 NO NO750074A patent/NO750074L/no unknown
- 1975-01-10 AT AT15475A patent/AT342295B/en not_active IP Right Cessation
- 1975-01-10 GB GB1196/75A patent/GB1496931A/en not_active Expired
- 1975-01-10 ES ES433703A patent/ES433703A1/en not_active Expired
- 1975-01-10 IT IT67044/75A patent/IT1030092B/en active
- 1975-01-10 NL NLAANVRAGE7500340,A patent/NL182317C/en not_active IP Right Cessation
- 1975-01-10 FI FI750060A patent/FI750060A7/fi not_active Application Discontinuation
- 1975-01-10 DD DD183593A patent/DD116461A5/xx unknown
- 1975-01-10 BR BR180/75A patent/BR7500180A/en unknown
- 1975-01-10 BE BE152312A patent/BE824306A/en not_active IP Right Cessation
- 1975-01-10 FR FR7500772A patent/FR2273018B1/fr not_active Expired
- 1975-01-10 CA CA217,718A patent/CA1083290A/en not_active Expired
- 1975-01-11 JP JP50005884A patent/JPS6015647B2/en not_active Expired
1983
- 1983-01-05 SE SE8300048A patent/SE449997B/en not_active IP Right Cessation
1984
- 1984-11-09 JP JP59236537A patent/JPS60186516A/en active Granted

Also Published As

Publication number	Publication date
ZA75145B (en)	1976-04-28
SE449997B (en)	1987-06-01
BE824306A (en)	1975-07-10
DE2500494A1 (en)	1975-07-17
GB1496931A (en)	1978-01-05
SE428212B (en)	1983-06-13
JPS50116586A (en)	1975-09-11
DK151816C (en)	1988-06-13
NO750074L (en)	1975-08-04
ES433703A1 (en)	1977-02-16
SE8300048L (en)	1983-01-05
SE7500142L (en)	1975-07-14
SE8300048D0 (en)	1983-01-05
AT342295B (en)	1978-03-28
FR2273018B1 (en)	1980-05-23
DK151816B (en)	1988-01-04
DK3775A (en)	1975-08-25
BR7500180A (en)	1975-11-04
NL182317C (en)	1988-02-16
NL7500340A (en)	1975-07-15
NL182317B (en)	1987-09-16
NZ176356A (en)	1978-06-20
JPS6116762B2 (en)	1986-05-02
FR2273018A1 (en)	1975-12-26
DE2500494C2 (en)	1990-03-08
FI750060A7 (en)	1975-07-12
JPS6015647B2 (en)	1985-04-20
JPS60186516A (en)	1985-09-24
IT1030092B (en)	1979-03-30
DD116461A5 (en)	1975-11-20
CA1083290A (en)	1980-08-05
AU7723875A (en)	1976-07-15

Legal Events

Date	Code	Title
1983-04-15	ELJ	Ceased due to non-payment of the annual fee
1986-02-15	UEP	Publication of translation of european patent specification
1999-03-15	REN	Ceased due to non-payment of the annual fee

Publication	Publication Date	Title
DD132052A5 (en)	1978-08-23	PROCESS FOR PREPARING A CATALYST
AT341055B (en)	1978-01-25	PROCESS FOR PRODUCING A PAINT BINDING AGENT
AT355947B (en)	1980-03-25	METHOD FOR PRODUCING AN OXYDIC ABRASIVE
AT344647B (en)	1978-08-10	METHOD FOR MANUFACTURING A GLUCOSE ISOMERASE PRODUCT
AT339051B (en)	1977-09-26	METHOD FOR PRODUCING AN INORGANIC-ORGANIC PLASTIC
AT349864B (en)	1979-04-25	METHOD FOR MANUFACTURING A NEW FOOD
AT344865B (en)	1978-08-10	METHOD FOR MANUFACTURING AN EFFECT YARN
ATA537175A (en)	1979-08-15	PROCESS FOR MANUFACTURING FOAM SHAPED PARTS
ATA939874A (en)	1976-04-15	BINDEPECHS A METHOD OF MANUFACTURING
AT348318B (en)	1979-02-12	METHOD FOR MANUFACTURING A MOLDED BODY
AT341774B (en)	1978-02-27	METHOD FOR PRODUCING A COPOLYMERIZATION PRODUCT
AT341668B (en)	1978-02-27	METHOD FOR PREPARING 7-AMINOCEPHEM COMPOUNDS
ATA308376A (en)	1978-02-15	PROCESS FOR PREPARING A REACTION AGENT FOR REMOVING PHOSPHATIONS
AT342295B (en)	1978-03-28	METHOD FOR PRODUCING A HYDROGEL
AT347050B (en)	1978-12-11	METHOD FOR PRODUCING A NEW 6-MEHTYL-8BETA (SUBSTITUTED) METHYLERGOLINE
AT345118B (en)	1978-08-25	METHOD FOR PRODUCING A RADIAL TIRE
AT335485B (en)	1977-03-10	METHOD FOR PRODUCING A UREA-FORMALDEHYDE DUNGER
DD129783A5 (en)	1978-02-08	PROCESS FOR PREPARING AN ENON
AT343250B (en)	1978-05-10	METHOD FOR PRODUCING A DETERGENT
AT346366B (en)	1978-11-10	METHOD FOR OBTAINING AN N-ACYLATED ORGOTEIN
AT358723B (en)	1980-09-25	METHOD FOR PRODUCING A LIPASY ENCYMPREPAIR
AT347217B (en)	1978-12-11	METHOD FOR MANUFACTURING A FOOD OR FEED
AT341898B (en)	1978-03-10	PROCESS FOR MANUFACTURING AN OXYDIC ABRASIVE
DD133672A5 (en)	1979-01-17	METHOD FOR PRODUCING A SAEURE ADDITIONAL SALT
AT338974B (en)	1977-09-26	METHOD FOR PREPARING 7-AMINO-DELTA3-CEPHEM DERIVATIVES