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. 22, 1981
Filed:
Jan. 03, 1980
Applicant:
Inventors:
Edwin P Cornwall, Seattle, WA (US);
Walter Batiuk, Seattle, WA (US);
Assignee:
The Boeing Company, Seattle, WA (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C23G / ; C11D / ; C23G / ;
U.S. Cl.
CPC ...
134-3 ; 134 38 ; 252142 ; 252146 ; 427156 ; 427353 ; 428443 ; 428524 ;
Abstract
A composition and process for the removal of phenolic resin composites from aluminum and its alloys which results in a minimum of corrosion to said metals. The process uses a solvent solution of nitric acid, a hexavalent chromium and incidental water in the proportions of about 0.01-0.12 moles of hexavalent chromium and 1-1.7 moles of H.sub.2 O per mole HNO.sub.3.
Cornwall, Edwin. (1981). Method and composition for the removal of phenolic resin coatings from (U.S. Patent No. 4290819). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4290819
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile