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:
Dec. 26, 1978
Filed:
Sep. 22, 1977
Applicant:
Inventors:
John R Morley, Oakland, CA (US);
Ralph E Howe, Cold Spring Harbor, NY (US);
Assignee:
Surface Activation Corporation, Syosset, NY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B05D / ;
U.S. Cl.
CPC ...
427 41 ; 204165 ;
Abstract
A method of coating a substrate in an electrical discharge plasma, which comprises establishing a zone of electrical glow discharge plasma in a gaseous medium comprising at least about 25%, by weight, of water vapor, based on the total weight of the gaseous medium, and exposing said substrate to said plasma in said zone then exposing the substrate to an ethylenically unsaturated monomer whereby the monomer is grafted onto the substrate.