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:
Sep. 08, 1981
Filed:
May. 11, 1979
Applicant:
Inventor:
Bryan G Carter, Banbury, GB;
Assignee:
Alcan Research and Development Limited, Montreal, CA;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C25D / ;
U.S. Cl.
CPC ...
204 / ; 148-627 ; 204 / ; 4274192 ;
Abstract
Hydrothermal sealing of anodic oxide coatings is promoted and enhanced by pretreating the anodic oxide coating to be sealed in a mildly basic aqueous medium at temperatures up to those required for hydrothermal sealing of the coating.