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. 01, 1984
Filed:
Jun. 15, 1983
Applicant:
Inventors:
John B Rose, Hertfordshire, GB;
Michael B Cinderey, Hertfordshire, GB;
Assignee:
Imperial Chemical Industries PLC, London, GB;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08G / ;
U.S. Cl.
CPC ...
528128 ; 528174 ;
Abstract
Amorphous aromatic etherketone/sulphone copolymers, normally of reduced viscosity.gtoreq.0.8, containing 15 to 70 mole % (preferably 20 to 60 mole %) of repeat units of formula ##STR1## and correspondingly 85 to 30 mole % (preferably 80 to 40 mole %) of repeat units of formula ##STR2##