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:
Feb. 06, 2001
Filed:
Jan. 20, 1999
Applicant:
Inventor:
David Karl Schisla, Amsterdam, NL;
Assignee:
Shell Oil Company, Houston, TX (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C08F / ; C08F / ; C08F 8/04 ;
U.S. Cl.
CPC ...
C08F / ; C08F / ; C08F 8/04 ;
Abstract
This invention is a method for producing butadiene-isoprene block copolymers with a specified amount of residual unsaturation in the polyisoprene blocks utilizing a hydrogenation catalyst wherein the hydrogenation residence time is minimized.
Schisla, David. (2001). Minimum residence time hydrogenation process for polyisoprene-polybutadiene block copolymers (U.S. Patent No. 6184307). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/6184307
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile