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. 25, 1995
Filed:
Oct. 08, 1992
Applicant:
Inventors:
Akira Nakagawa, Nagoya, JP;
Teruyo Komura, Naruto, JP;
Assignee:
Tomei Sangyo Kabushiki Kaisha, Nagoya, JP;
Primary Examiner:
Int. Cl.
CPC ...
B05D / ;
U.S. Cl.
CPC ...
427-212 ; 427164 ; 427338 ; 427340 ; 4273435 ;
Abstract
A method for imparting a hydrophilic nature to a contact lens, which comprises dipping a contact lens in a solution containing a water-soluble amino group-containing polymer in an amount effective to impart a hydrophilic nature to the contact lens and a crosslinking agent in an amount effective to crosslink the amino group-containing polymer, and forming a hydrophilic layer of the amino group-containing polymer crosslinked on the surface of the contact lens.