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. 04, 1999
Filed:
Jul. 28, 1997
Applicant:
Inventors:
Takaaki Okamura, Yanai, JP;
Atsuo Tanaka, Tokuyama, JP;
Tsuneo Inui, Tokuyama, JP;
Akio Miyachi, Kudamatsu, JP;
Assignee:
Toyo Kohan Co., Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B21D / ; B32B / ; B32B / ;
U.S. Cl.
CPC ...
428623 ; 428626 ; 428632 ; 428666 ; 428339 ; 428462 ; 428469 ; 428689 ;
Abstract
A polyester resin film laminated metal sheet having a metal sheet and a polyester resin film on at least one surface. The polyester resin film is 41 to 58 weight percent polybutyelene terephthalate and 42 to 59 weight percent polyethylene terephthalate. This composition provides the polyester resin film laminated metal sheet with an improved resistance to milky discoloration during retort treatment.