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:
May. 04, 1976
Filed:
Nov. 16, 1973
Applicant:
Inventors:
Seizo Okamura, Kyoto, JA;
Tsunetoshi Hino, Higashi-Osaka, JA;
Assignee:
Zaidan Hojin, Seisan Kaihatsu Kagaku Kenkyusho, Kyoto, JA;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B05D / ;
U.S. Cl.
CPC ...
427-2 ; 3-1 ; 128D / ; 128D / ; 20415912 ; 20415913 ; 424 31 ; 424 36 ; 427 37 ; 427 44 ; 427 54 ; 427353 ;
Abstract
Medical articles composed of silicone rubber coated with collagen to be used in living body, are manufactured by subjecting a surface of shaped articles composed of silicone rubber to a spark discharge, coating the thus treated surface with an acidic aqueous solution of collagen and then drying said surface to form collagen layer and irradiating the shaped article coated with collagen with high energy ionizing radiation under an atmosphere having such a humidity that the water content of the coated collagen becomes more than 20% by weight.