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:
Sep. 14, 1999
Filed:
Sep. 23, 1997
Applicant:
Inventors:
Harry Van Der Heijden, Amsterdam, NL;
Bart Hessen, Amsterdam, NL;
Assignee:
Shell Oil Company, Houston, TX (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C08C / ; C08F / ; C08F / ; C08F / ;
U.S. Cl.
CPC ...
525338 ; 525339 ; 526943 ;
Abstract
This invention is a process for the selective hydrogenation of block copolymers having at least one poly(vinyl aromatic) block and at least one poly(conjugated diene) block which comprises contacting the block copolymers with hydrogen in the presence of a hydrogenation catalyst composition which comprises:
Van Der Heijden, Harry. (1999). Process for selective hydrogenation of poly(monovinyl (U.S. Patent No. 5952430). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5952430
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile