ZA75126B - Hema copolymers having high oxygen permeability - Google Patents

Hema copolymers having high oxygen permeability

Info

Publication number
ZA75126B
ZA75126B ZA00750126A ZA75126A ZA75126B ZA 75126 B ZA75126 B ZA 75126B ZA 00750126 A ZA00750126 A ZA 00750126A ZA 75126 A ZA75126 A ZA 75126A ZA 75126 B ZA75126 B ZA 75126B
Authority
ZA
South Africa
Prior art keywords
oxygen permeability
high oxygen
hema copolymers
hema
copolymers
Prior art date
Application number
ZA00750126A
Inventor
M Rostoker
L Levine
Original Assignee
Nat Patent Dev 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
Application filed by Nat Patent Dev Corp filed Critical Nat Patent Dev Corp
Publication of ZA75126B publication Critical patent/ZA75126B/en

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
    • 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
    • C08F220/26—Esters containing oxygen in addition to the carboxy oxygen
    • C08F220/28—Esters containing oxygen in addition to the carboxy oxygen containing no aromatic rings in the alcohol moiety
    • C08F220/282—Esters containing oxygen in addition to the carboxy oxygen containing no aromatic rings in the alcohol moiety and containing two or more oxygen atoms

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
ZA00750126A 1974-01-07 1975-01-07 Hema copolymers having high oxygen permeability ZA75126B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US43155574A 1974-01-07 1974-01-07

Publications (1)

Publication Number Publication Date
ZA75126B true ZA75126B (en) 1976-01-28

Family

ID=23712458

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA00750126A ZA75126B (en) 1974-01-07 1975-01-07 Hema copolymers having high oxygen permeability

Country Status (2)

Country Link
BE (1) BE824162A (en)
ZA (1) ZA75126B (en)

Also Published As

Publication number Publication date
BE824162A (en) 1975-05-02

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