AT366066B - METHOD FOR PRODUCING HYDROGELS IN THE FORM OF SPHERICAL BEADS OF LARGER DIAMETER - Google Patents

METHOD FOR PRODUCING HYDROGELS IN THE FORM OF SPHERICAL BEADS OF LARGER DIAMETER

Info

Publication number
AT366066B
AT366066B AT0523278A AT523278A AT366066B AT 366066 B AT366066 B AT 366066B AT 0523278 A AT0523278 A AT 0523278A AT 523278 A AT523278 A AT 523278A AT 366066 B AT366066 B AT 366066B
Authority
AT
Austria
Prior art keywords
larger diameter
spherical beads
producing hydrogels
hydrogels
producing
Prior art date
Application number
AT0523278A
Other languages
German (de)
Other versions
ATA523278A (en
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 ATA523278A publication Critical patent/ATA523278A/en
Application granted granted Critical
Publication of AT366066B publication Critical patent/AT366066B/en

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)
  • Polymerisation Methods In General (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
AT0523278A 1977-07-20 1978-07-19 METHOD FOR PRODUCING HYDROGELS IN THE FORM OF SPHERICAL BEADS OF LARGER DIAMETER AT366066B (en)

Applications Claiming Priority (1)

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

Publications (2)

Publication Number Publication Date
ATA523278A ATA523278A (en) 1981-07-15
AT366066B true AT366066B (en) 1982-03-10

Family

ID=25223018

Family Applications (1)

Application Number Title Priority Date Filing Date
AT0523278A AT366066B (en) 1977-07-20 1978-07-19 METHOD FOR PRODUCING HYDROGELS IN THE FORM OF SPHERICAL BEADS OF LARGER DIAMETER

Country Status (7)

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

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
ATE154049T1 (en) * 1988-02-26 1997-06-15 Ciba Geigy Ag wettable, flexible, oxygen permeable, swelling polymer with polyoxyalkylene units in the main chain and contact lens
KR950001285B1 (en) * 1989-03-23 1995-02-15 가부시끼가이샤 닛뽄 쇼꾸바이 Coating composition which has cross-linked spherical particulate
FR2759702B1 (en) 1997-02-14 1999-04-02 Essilor Int POLYMERISABLE COMPOSITIONS COMPRISING A URETHANE OLIGOMER AS A CROSSLINKING AGENT, POLYMERS AND HYDRATE POLYMERS OBTAINED FROM THESE COMPOSITIONS, AND FINISHED AND SEMI-FINISHED ARTICLES SHAPED FROM THESE POLYMERS
WO2003077964A1 (en) * 2002-03-11 2003-09-25 First Water Limited Absorbent hydrogels
WO2005020849A2 (en) * 2003-08-29 2005-03-10 Mayo Foundation For Medical Education And Research Hydrogel porogens for fabricating biodegradable scaffolds
CA2587308A1 (en) 2004-11-12 2006-05-18 Mayo Foundation For Medical Education And Research Photocrosslinkable poly(caprolactone fumarate)
US8912247B2 (en) 2005-04-29 2014-12-16 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
DE2862045D1 (en) 1982-11-11
JPS614401B2 (en) 1986-02-10
ES471862A1 (en) 1979-02-01
EP0000507A1 (en) 1979-02-07
DK149002C (en) 1986-08-25
EP0000507B1 (en) 1982-09-29
CA1136317A (en) 1982-11-23
ATA523278A (en) 1981-07-15
DK322778A (en) 1979-01-21
DK149002B (en) 1985-12-16
JPS5440891A (en) 1979-03-31

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Legal Events

Date Code Title Description
ELJ Ceased due to non-payment of the annual fee