CA969791A - Contact lens having an optimum combination of properties - Google Patents

Contact lens having an optimum combination of properties

Info

Publication number
CA969791A
CA969791A CA143,657A CA143657A CA969791A CA 969791 A CA969791 A CA 969791A CA 143657 A CA143657 A CA 143657A CA 969791 A CA969791 A CA 969791A
Authority
CA
Canada
Prior art keywords
properties
contact lens
optimum combination
optimum
combination
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
CA143,657A
Other versions
CA143657S (en
Inventor
Charles S. Cleaver
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.)
EIDP Inc
Original Assignee
EI Du Pont de Nemours and Co
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 EI Du Pont de Nemours and Co filed Critical EI Du Pont de Nemours and Co
Application granted granted Critical
Publication of CA969791A publication Critical patent/CA969791A/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
    • 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
    • C08F220/22—Esters containing halogen
CA143,657A 1971-06-11 1972-06-01 Contact lens having an optimum combination of properties Expired CA969791A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US15207371A 1971-06-11 1971-06-11

Publications (1)

Publication Number Publication Date
CA969791A true CA969791A (en) 1975-06-24

Family

ID=22541411

Family Applications (1)

Application Number Title Priority Date Filing Date
CA143,657A Expired CA969791A (en) 1971-06-11 1972-06-01 Contact lens having an optimum combination of properties

Country Status (7)

Country Link
JP (1) JPS5146614B1 (en)
CA (1) CA969791A (en)
DE (1) DE2228517C3 (en)
FR (1) FR2141814B1 (en)
GB (1) GB1374670A (en)
IT (1) IT956453B (en)
NL (1) NL7207879A (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4130706A (en) * 1977-08-08 1978-12-19 E. I. Du Pont De Nemours And Company Hydrophilic, oxygen permeable contact lens
JPH073517B2 (en) * 1985-11-29 1995-01-18 チバ―ガイギー アクチエンゲゼルシャフト Non-hydrous soft contact lens and method for producing the same
JP4086338B2 (en) * 1996-12-06 2008-05-14 株式会社松風 Dental elastic restoration material and method for producing dental prosthetic material using the same
ATE420125T1 (en) * 2004-03-01 2009-01-15 Lorenzo Toffano COMPOSITIONS FOR PRODUCING HYDROPHOBIC COATINGS

Also Published As

Publication number Publication date
JPS5146614B1 (en) 1976-12-10
NL7207879A (en) 1972-12-13
FR2141814B1 (en) 1977-12-23
DE2228517B2 (en) 1974-04-04
DE2228517A1 (en) 1972-12-28
DE2228517C3 (en) 1974-10-31
GB1374670A (en) 1974-11-20
IT956453B (en) 1973-10-10
FR2141814A1 (en) 1973-01-26

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