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. 21, 1991
Filed:
Feb. 08, 1990
Applicant:
Inventors:
Lachman Wadhwa, North Plainfield, NJ (US);
Michel Bitritto, Summit, NJ (US);
Edward J Powers, Charlotte, NC (US);
Assignee:
Hoechst Celanese Corp., Somerville, NJ (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08G / ;
U.S. Cl.
CPC ...
528342 ; 528183 ; 528327 ; 528331 ; 528341 ;
Abstract
The instant invention involves a process for producing continuous polybenzimidazole films. The process is comprised of the following steps:
Wadhwa, Lachman. (1991). High performance thermally stable polybenzimidazole film (U.S. Patent No. 5017681). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5017681
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile