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:
Dec. 24, 1991
Filed:
Dec. 12, 1989
Applicant:
Inventors:
Assignee:
Imperial Chemical Industries plc, London, GB;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C08G / ; C08G / ; C08G / ; C08K / ;
U.S. Cl.
CPC ...
528125 ; 528126 ; 528128 ; 528174 ; 528175 ; 528219 ; 528220 ; 528223 ; 528370 ; 528371 ; 528373 ; 528391 ; 525390 ;
Abstract
Aromatic polymers comprise divalent aromatic units connected by ether and/or thioether linkages. At least one of such units carries at least one halogen radical linked to a nuclear carbon by a halogen-carbon bond or a functionalized derivative thereof linked to a nuclear carbon atom by a carbon-carbon bond.