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:
Jun. 01, 1982
Filed:
Jul. 18, 1980
Applicant:
Inventors:
Assignee:
Titmus Eurocon, Aschaffenburg, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C08L / ; B05D / ;
U.S. Cl.
CPC ...
525478 ; 264-14 ; 3511 / ; 427-2 ; 427 40 ; 427164 ; 427169 ; 427340 ; 427341 ; 427387 ; 427400 ; 525479 ; 528 14 ; 528 23 ; 528 31 ; 528 32 ;
Abstract
Process for rendering silicone rubber contact lenses hydrophilic by first reacting the silicone rubber with an oligomeric siloxane containing SiH groups in the presence of a catalyst and then subjecting the resulting equilibrated silicone rubber to a reaction with an aqueous base; or a silane addition reaction with a reactant containing C.dbd.C double bonds.