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. 26, 1992
Filed:
May. 11, 1989
Applicant:
Inventors:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B32B / ;
U.S. Cl.
CPC ...
428216 ; 428212 ; 428336 ; 428412 ; 428446 ; 428447 ; 428698 ; 428702 ; 428704 ;
Abstract
The present invention relates to a multilayer protective coating for a substrate and a process for protecting a substrate by the deposition of a continuous, transparent, amorphous, inorganic coating essentially comprising silicon, carbon, nitrogen, oxygen and hydrogen by means of a plasma. The invention also concerns the application of the coatings according to the invention in the protection of substrates and in particular against electrostatic charges.