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:
Aug. 18, 1992
Filed:
Jul. 15, 1991
Applicant:
Inventors:
Balaram Gupta, No. Plainfield, NJ (US);
Larry F Charbonneau, Medham, NJ (US);
Gordon W Calundann, No. Plainfield, NJ (US);
Tai-Shung Chung, Randolph, NJ (US);
Assignee:
Hoechst Celanese Corp., Somerville, NJ (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C08G / ; C08G / ; C08G / ;
U.S. Cl.
CPC ...
528193 ; 528176 ; 528194 ; 528219 ; 528272 ;
Abstract
Novel thermotropic polyesters and polyester-amides containing fluorine bearing linking groups are disclosed and claimed. Preferred embodiments include thermotropic polymers prepared from 4-Hydroxybenzoic acid, 6-hydroxy-2 naphthoic acid, 2,2-bis(4-carboxyphenyl)hexafluoropropane, hydroquinone, and terephthalic acid.
Gupta, Balaram. (1992). Melt-processable thermotropic polyesters having fluorine containing (U.S. Patent No. 5140093). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5140093
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile