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. 12, 1981
Filed:
Jul. 18, 1979
Applicant:
Inventors:
Ronald G Feasey, Knebworth, GB;
Brian P Griffin, St Albans, GB;
Assignee:
Imperial Chemical Industries Limited, London, GB;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08G / ; C08G / ; C08G / ;
U.S. Cl.
CPC ...
528193 ; 528173 ; 528190 ; 528191 ; 528206 ; 528271 ;
Abstract
An aromatic copolyester capable of forming an anisotropic melt containing up to 75 mole % of recurring units of formula ##STR1## wherein R may be hydrogen, chlorine, bromine or alkyl groups containing from 1 to 4 carbon atoms.