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. 24, 1984
Filed:
Oct. 01, 1982
Applicant:
Inventors:
Philippe Teyssie, Neuville, BE;
Robert Jerome, Tilff, BE;
Trazollah Ouhadi, Liege, BE;
Roger Fayt, Neuville, BE;
Assignee:
Cosden Technology, Inc., Dallas, TX (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C08F / ; C08F / ;
U.S. Cl.
CPC ...
525271 ; 525299 ; 525309 ; 525310 ;
Abstract
Block copolymers having a first sequence formed with a conjugated diene or a vinyl substituted aromatic hydrocarbon other than alpha-methylstyrene, a second sequence formed with an acrylic ester, and a linking intermediate sequence formed with alpha-methylstyrene. An anionic polymerization process is used to form these block copolymers.