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:
Apr. 18, 1989
Filed:
Dec. 22, 1987
Applicant:
Inventors:
John E Gorman, Houston, TX (US);
John A Morris, Katy, TX (US);
Assignee:
Shell Oil Company, Houston, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08F / ;
U.S. Cl.
CPC ...
525245 ; 524413 ; 524432 ; 524783 ; 525288 ; 525264 ;
Abstract
Alkoxy silane compounds such as vinyl-triethoxy-silane are more readily grafted to block copolymers in the presence of an amount of zinc oxide between about 0.15% and 1.5% by weight of the block copolymer. The silane modified block copolymer prepared with zinc oxide exhibits greater resistance to gel formation than silane-modified block copolymer prepared without the zinc oxide.