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:
Jun. 19, 1990
Filed:
May. 20, 1988
Applicant:
Inventor:
Anne C Udding, Amsterdam, NL;
Assignee:
Shell Oil Company, Houston, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08L / ;
U.S. Cl.
CPC ...
525 92 ; 5253329 ; 5253335 ; 5253336 ; 525343 ;
Abstract
A block copolymer comprising a monoalkenylaromatic hydrocarbon block and a hydrogenated conjugated diene hydrocarbon block in which groups ##STR1## R being an organic radical, are grafted at the aromatic groups, and preparation thereof by reacting the block copolymer with an azide ##STR2##
Udding, Anne. (1990). Modified block copolymers and process for the preparation thereof (U.S. Patent No. 4935466). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4935466
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile