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:
Jul. 19, 1977
Filed:
Jul. 09, 1975
Applicant:
Inventors:
Ronald George Feasey, Knebworth, EN;
John Brewster Rose, Letchworth, EN;
Assignee:
Imperial Chemical Industries Limited, London, EN;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08G / ;
U.S. Cl.
CPC ...
260 49 ; 260 61 ;
Abstract
New aromatic polymers comprising units of the formula ##STR1## and copolymers comprising such units or other units such as ##STR2## The new polymer may be made from the alkali metal salt of a halophenol of the formula ##STR3##