GB1446257A - Hydrophilic copolymer of n,n-c1-c2-alkyl- acrylamide - Google Patents

Hydrophilic copolymer of n,n-c1-c2-alkyl- acrylamide

Info

Publication number
GB1446257A
GB1446257A GB1276574A GB1276574A GB1446257A GB 1446257 A GB1446257 A GB 1446257A GB 1276574 A GB1276574 A GB 1276574A GB 1276574 A GB1276574 A GB 1276574A GB 1446257 A GB1446257 A GB 1446257A
Authority
GB
United Kingdom
Prior art keywords
alkyl
acrylamide
acrylate
ethyleneglycol
bulk
Prior art date
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.)
Expired
Application number
GB1276574A
Other languages
English (en)
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.)
Northrop Grumman Guidance and Electronics Co Inc
Original Assignee
Itek Corp
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
Priority claimed from US05/429,455 external-priority patent/US4067839A/en
Application filed by Itek Corp filed Critical Itek Corp
Publication of GB1446257A publication Critical patent/GB1446257A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • 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
    • C08F20/02—Monocarboxylic acids having less than ten carbon atoms, Derivatives thereof
    • C08F20/52—Amides or imides
    • 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
    • C08L33/24—Homopolymers or copolymers of amides or imides

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Eyeglasses (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
GB1276574A 1973-04-04 1974-03-22 Hydrophilic copolymer of n,n-c1-c2-alkyl- acrylamide Expired GB1446257A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US34795473A 1973-04-04 1973-04-04
US05/429,455 US4067839A (en) 1973-04-04 1973-12-28 Hydrophilic copolymer of N,N-(C1 -C2 alkyl) acrylamide

Publications (1)

Publication Number Publication Date
GB1446257A true GB1446257A (en) 1976-08-18

Family

ID=26995490

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1276574A Expired GB1446257A (en) 1973-04-04 1974-03-22 Hydrophilic copolymer of n,n-c1-c2-alkyl- acrylamide

Country Status (4)

Country Link
JP (1) JPS5013059A (enrdf_load_stackoverflow)
CA (1) CA1011019A (enrdf_load_stackoverflow)
DE (1) DE2416353A1 (enrdf_load_stackoverflow)
GB (1) GB1446257A (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2150147A (en) * 1983-11-25 1985-06-26 Donald James Highgate Materials for use in forming casts

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5247323A (en) * 1975-10-14 1977-04-15 Nippon Telegr & Teleph Corp <Ntt> Printing timing compensation system
US4343927A (en) * 1976-11-08 1982-08-10 Chang Sing Hsiung Hydrophilic, soft and oxygen permeable copolymer compositions
JPH0833528B2 (ja) * 1985-01-18 1996-03-29 ホ−ヤ株式会社 高含水コンタクトレンズ
JP2543335B2 (ja) * 1985-03-30 1996-10-16 ホ−ヤ株式会社 高含水コンタクトレンズ
DE3811053A1 (de) * 1988-03-31 1989-10-12 Basf Ag Waermeformbestaendige, transparente thermoplastische formmasse, verfahren zu ihrer herstellung und ihre verwendung
JP6068050B2 (ja) * 2011-08-18 2017-01-25 国立大学法人山形大学 透明形状記憶ゲルとそれを用いたレンズおよびレンズの焦点調節方法
JP2014104239A (ja) * 2012-11-29 2014-06-09 Nidek Co Ltd 眼内レンズ

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2150147A (en) * 1983-11-25 1985-06-26 Donald James Highgate Materials for use in forming casts

Also Published As

Publication number Publication date
JPS5013059A (enrdf_load_stackoverflow) 1975-02-10
CA1011019A (en) 1977-05-24
DE2416353A1 (de) 1974-10-24

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee