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:
Jan. 31, 1995
Filed:
Nov. 05, 1992
Applicant:
Inventors:
Yassin Y Tarshiani, Largo, FL (US);
Steven A Weber, St. Petersburg, FL (US);
Assignee:
Essilor of America, Inc., St. Petersburg, FL (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C08F / ; C08J / ; C08K / ; C08K / ;
U.S. Cl.
CPC ...
522 31 ; 522 66 ; 522 84 ; 522170 ; 522172 ; 523106 ; 523107 ; 3511 / ; 351159 ;
Abstract
A radiation-curable coating composition for ophthalmic lens is disclosed which comprises a mixture of a monoepoxysilane, colloidal silica, an alkylalkoxysilane or tetraalkoxysilane, and an ultraviolet activated photoinitiator capable of initiating a cationic cure of such composition. The photoinitiator is an aromatic onium salt or an iron arene salt complex.