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:
Jan. 02, 1979
Filed:
Mar. 23, 1977
Applicant:
Inventors:
Jennings P Blackwell, Bartlesville, OK (US);
Donnie G Brady, Bartlesville, OK (US);
Assignee:
Phillips Petroleum Company, Bartlesville, OK (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B32B / ; B32B / ; B32B / ; B32B / ;
U.S. Cl.
CPC ...
428215 ; 428419 ;
Abstract
Poly(amic acid)s convertible to polyimides are used as primers for copper-containing substrates prior to coating the substrate with an arylene sulfide polymer, thereby resulting in improved adhesion of the arylene sulfide polymer coating after curing to the substrate.