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. 26, 1989
Filed:
Apr. 08, 1988
Applicant:
Inventors:
Kotaro Taniguchi, Nagaokakyo, JP;
Takehiko Shimada, Nara, JP;
Shigekazu Tanimoto, Fuji, JP;
Shigeru Nedzu, Fuji, JP;
Assignee:
Polyplastics Co., Ltd., Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B29C / ;
U.S. Cl.
CPC ...
264564 ; 26433121 ; 4253261 ;
Abstract
A polybutylene terephthalate resin film is produced by forming a film of a polybutylene terephthalate resin having an inherent viscosity of more than 1.0 by the inflation molding technique and under the condition of extrusion resin temperatures within a range defined by the following relation:
Taniguchi, Kotaro. (1989). Method of manufacturing polybutylene terephthalate resin films (U.S. Patent No. 4869864). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4869864
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