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:
Oct. 20, 1987
Filed:
Jun. 05, 1985
Applicant:
Inventors:
William H Cook, Fairport, NY (US);
William G Deichert, Macedon, NY (US);
Richard J Wrue, Rochester, NY (US);
Norman R Westfall, Penfield, NY (US);
Assignee:
Bausch & Lomb Incorporated, Rochester, NY (US);
Primary Examiner:
Int. Cl.
CPC ...
B29D / ;
U.S. Cl.
CPC ...
264-14 ; 264-17 ; 264-19 ; 264-21 ; 264-25 ; 264247 ; 264255 ; 425130 ; 4251744 ; 425808 ;
Abstract
Hybrid contact lenses and other composite polymeric articles of precise dimensions are made by placing a first monomer composition in a mold and irradiating and polymerizing a central portion only with ultraviolet radiation. Unpolymerized monomer is removed, a second monomer composition is placed in contact with the polymer formed from the first monomer composition and the latter is polymerized by ultraviolet irradiation or by other means to obtain a composite article which is then machined to form a hybrid lens.