DK322778A - Fremgangsmaade til fremstilling af hydrogeler i form af kugleformede perler med diameter indtil 5 mm - Google Patents

Fremgangsmaade til fremstilling af hydrogeler i form af kugleformede perler med diameter indtil 5 mm

Info

Publication number: DK322778A
Authority: DK; Denmark
Prior art keywords: diameters; ball; making hydrogels; pearls; shaped pearls
Prior art date: 1977-07-20

Application number

DK322778A

Other languages

English (en)

Other versions

DK149002C (da

DK149002B (da

Inventor

K F Mueller

S J Heiber

W L Plankl

Original Assignee

Ciba Geigy

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.)

1977-07-20

Filing date

1978-07-19

Publication date

1979-01-21

1978-07-19 Application filed by Ciba Geigy filed Critical Ciba Geigy

1979-01-21 Publication of DK322778A publication Critical patent/DK322778A/da

1985-12-16 Publication of DK149002B publication Critical patent/DK149002B/da

1986-08-25 Application granted granted Critical

1986-08-25 Publication of DK149002C publication Critical patent/DK149002C/da

Links

239000000017 hydrogel Substances 0.000 title 1
238000004519 manufacturing process Methods 0.000 title 1
239000011049 pearl Substances 0.000 title 1

Classifications

- 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
- C08F290/06—Polymers provided for in subclass C08G
- 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
- C08F220/10—Esters
- C08F220/20—Esters of polyhydric alcohols or phenols, e.g. 2-hydroxyethyl (meth)acrylate or glycerol mono-(meth)acrylate
- 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
- C08F291/00—Macromolecular compounds obtained by polymerising monomers on to macromolecular compounds according to more than one of the groups C08F251/00 - C08F289/00

Landscapes

Chemical & Material Sciences (AREA)
Health & Medical Sciences (AREA)
Chemical Kinetics & Catalysis (AREA)
Medicinal Chemistry (AREA)
Polymers & Plastics (AREA)
Organic Chemistry (AREA)
Macromonomer-Based Addition Polymer (AREA)
Medicinal Preparation (AREA)
Polymerisation Methods In General (AREA)
Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)

DK322778A 1977-07-20 1978-07-19 Fremgangsmaade til fremstilling af hydrogeler i form af kugleformede perler med en diameter paa hoejst 5 mm DK149002C (da)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
US81740477A	1977-07-20	1977-07-20
US81740477		1977-07-20

Publications (3)

Publication Number	Publication Date
DK322778A true DK322778A (da)	1979-01-21
DK149002B DK149002B (da)	1985-12-16
DK149002C DK149002C (da)	1986-08-25

Family

ID=25223018

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
DK322778A DK149002C (da)	1977-07-20	1978-07-19	Fremgangsmaade til fremstilling af hydrogeler i form af kugleformede perler med en diameter paa hoejst 5 mm

Country Status (7)

Country	Link
EP (1)	EP0000507B1 (da)
JP (1)	JPS5440891A (da)
AT (1)	AT366066B (da)
CA (1)	CA1136317A (da)
DE (1)	DE2862045D1 (da)
DK (1)	DK149002C (da)
ES (1)	ES471862A1 (da)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4914170A (en) *	1987-11-17	1990-04-03	Rohm And Haas Company	Superabsorbent polymeric compositions and process for producing the same
ES2102352T3 (es) *	1988-02-26	1997-08-01	Ciba Geigy Ag	Una lente de contacto humectable, flexible, permeable al oxigeno, hinchable y que contiene unidades de espina dorsal de polioxialquileno y uso de la misma.
WO1990011307A1 (en) *	1989-03-23	1990-10-04	Nippon Shokubai Kagaku Kogyo Co., Ltd.	Cross-linked spherical particulate, production thereof, coating composition and releasable pressure-sensitive adhesive produced from said particulate, and article comprising the same as laminar component
FR2759702B1 (fr) *	1997-02-14	1999-04-02	Essilor Int	Compositions polymerisables comprenant un oligomere urethane comme agent de reticulation, polymeres et polymeres hydrates obtenus a partir de ces compositions, et articles finis et semi-finis formes a partir de ces polymeres
WO2003077964A1 (en) *	2002-03-11	2003-09-25	First Water Limited	Absorbent hydrogels
EP1664168B1 (en) *	2003-08-29	2008-12-03	Mayo Foundation for Medical Education and Research	Hydrogel porogens for fabricating biodegradable scaffolds
WO2006053031A2 (en)	2004-11-12	2006-05-18	Mayo Foundation For Medical Education And Research	Photocrosslinkable poly(caprolactone fumarate)
ATE511439T1 (de)	2005-04-29	2011-06-15	Mayo Foundation	Hydrophile/hydrophobe polymernetze auf der basis von poly(caprolactonfumarat), poly(ethylenglycolfumarat) und copolymere davon

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2801992A (en) *	1953-08-19	1957-08-06	Distillers Co Yeast Ltd	Suspension stabilizer of magnesium hydroxide and excess alkali
CH616694A5 (en) *	1974-06-27	1980-04-15	Ciba Geigy Ag	Process for the preparation of crosslinked, water-insoluble, hydrophilic copolymers

1978
- 1978-07-12 DE DE7878100375T patent/DE2862045D1/de not_active Expired
- 1978-07-12 EP EP78100375A patent/EP0000507B1/de not_active Expired
- 1978-07-18 CA CA000307599A patent/CA1136317A/en not_active Expired
- 1978-07-19 ES ES471862A patent/ES471862A1/es not_active Expired
- 1978-07-19 DK DK322778A patent/DK149002C/da not_active IP Right Cessation
- 1978-07-19 AT AT0523278A patent/AT366066B/de not_active IP Right Cessation
- 1978-07-20 JP JP8778278A patent/JPS5440891A/ja active Granted

Also Published As

Publication number	Publication date
DE2862045D1 (en)	1982-11-11
ES471862A1 (es)	1979-02-01
CA1136317A (en)	1982-11-23
ATA523278A (de)	1981-07-15
JPS5440891A (en)	1979-03-31
AT366066B (de)	1982-03-10
DK149002C (da)	1986-08-25
DK149002B (da)	1985-12-16
EP0000507A1 (de)	1979-02-07
EP0000507B1 (de)	1982-09-29
JPS614401B2 (da)	1986-02-10

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Legal Events

Date	Code	Title	Description
1993-03-29	PBP	Patent lapsed