DK149002C - Fremgangsmaade til fremstilling af hydrogeler i form af kugleformede perler med en diameter paa hoejst 5 mm - Google Patents

Fremgangsmaade til fremstilling af hydrogeler i form af kugleformede perler med en diameter paa hoejst 5 mm

Info

Publication number
DK149002C
DK149002C DK322778A DK322778A DK149002C DK 149002 C DK149002 C DK 149002C DK 322778 A DK322778 A DK 322778A DK 322778 A DK322778 A DK 322778A DK 149002 C DK149002 C DK 149002C
Authority
DK
Denmark
Prior art keywords
ball
maximum
diameter
hydrogels
manufacturing
Prior art date
Application number
DK322778A
Other languages
English (en)
Other versions
DK322778A (da
DK149002B (da
Inventor
Karl Friedrich Mueller
Sonia Jaworiw Heiber
Walter Lawrence Plankl
Original Assignee
Ciba Geigy Ag
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.)
Filing date
Publication date
Application filed by Ciba Geigy Ag filed Critical Ciba Geigy Ag
Publication of DK322778A publication Critical patent/DK322778A/da
Publication of DK149002B publication Critical patent/DK149002B/da
Application granted granted Critical
Publication of DK149002C publication Critical patent/DK149002C/da

Links

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)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
  • Polymerisation Methods In General (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 DK322778A (da) 1979-01-21
DK149002B DK149002B (da) 1985-12-16
DK149002C true 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
EP0330614B1 (en) * 1988-02-26 1997-06-04 Novartis AG Wettable, flexible, oxygen permeable, swellable contact lens containing polyoxyalkylene backbone units, and use thereof
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
EP1482994A1 (en) * 2002-03-11 2004-12-08 First Water Limited Absorbent hydrogels
ATE416223T1 (de) * 2003-08-29 2008-12-15 Mayo Foundation Hydrogel-porenbildner zur herstellung von biologisch abbaubaren gerüsten
WO2006053031A2 (en) 2004-11-12 2006-05-18 Mayo Foundation For Medical Education And Research Photocrosslinkable poly(caprolactone fumarate)
WO2006118987A1 (en) 2005-04-29 2006-11-09 Mayo Foundation For Medical Education And Research Hydrophilic/hydrophobic polymer networks based on poly(caprolactone fumarate), poly(ethylene glycol fumarate), and copolymers thereof

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

Also Published As

Publication number Publication date
ES471862A1 (es) 1979-02-01
EP0000507B1 (de) 1982-09-29
AT366066B (de) 1982-03-10
JPS5440891A (en) 1979-03-31
ATA523278A (de) 1981-07-15
CA1136317A (en) 1982-11-23
DE2862045D1 (en) 1982-11-11
DK322778A (da) 1979-01-21
JPS614401B2 (da) 1986-02-10
EP0000507A1 (de) 1979-02-07
DK149002B (da) 1985-12-16

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Legal Events

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PBP Patent lapsed