The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Apr. 07, 1981
Filed:
Dec. 10, 1979
Applicant:
Inventors:
Philip L Keogh, Pittsford, NY (US);
Jay F Kunzler, Canadaigua, NY (US);
Gregory C Niu, Lexington, MA (US);
Assignee:
Bausch & Lomb Incorporated, Rochester, NY (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C08F / ;
U.S. Cl.
CPC ...
526279 ; 264-11 ; 525419 ; 525479 ; 526 75 ; 528 25 ; 528 26 ; 528 28 ; 528 32 ; 528 33 ; 528 35 ; 528 37 ; 3511 / ; 3511 / ;
Abstract
A water absorbing, soft, hydrophilic, flexible, hydrolytically stable, biologically inert contact lens with the capability of transporting oxygen sufficiently to meet the requirements of the human cornea comprising a polysiloxane which is .alpha.,.omega. terminally bonded through divalent hydrocarbon groups to polymerizably activated unsaturated groups and which contain hydrophilic sidechains is disclosed.
Published as:
US4260725A; IE802501L; AU6523080A; EP0030807A1; JPS5694323A; ES8107270A1; AU522727B2; CA1131844A; EP0030807B1; DE3070790D1; IE50577B1; JPS6229776B2; MX158317A;