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:
Apr. 25, 1989
Filed:
Sep. 23, 1987
Applicant:
Inventors:
Raymond J Ehrig, Upper St. Clair Township, Allegheny County, PA (US);
Richard C Weil, Monroeville, PA (US);
Assignee:
Aristech Chemical Corporation, Pittsburgh, PA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B65D / ;
U.S. Cl.
CPC ...
428623 ; 428626 ; 428667 ; 220 / ;
Abstract
A tin-free steel gasoline tank coated with a maleic anhydride modified polypropylene or ethylene propylene impact copolymer made by reactive processing is described. The coating exhibits good adhesion to the steel and the tank is resistant to attack by gasoline-alcohol mixtures and water which may condense in the tank.