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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.:

US 5691429 B1

PDFFull Text
Date of Patent:
Nov. 25, 1997

Filed:

Oct. 17, 1996

Manufacturing process for high cis poly(butadiene)

Applicant:
Inventors:

Johannes Cornelis Van Der Arend, Amsterdam, NL;

Marijke De Boer-Wildschut, Amsterdam, NL;

Adriaan Albert Van Der Huizen, Amsterdam, NL;

Maria Johanna Kersten, Amsterdam, NL;

Assignee:

Shell Oil Company, Houston, TX (US);

Attorney:

Haas; Donald F.

Primary Examiner:

Fred Teskin

Int. Cl.
CPC ...
C08F / ; C08F / ;
U.S. Cl.
CPC ...
526 92 ; 526 93 ; 526142 ; 5263404 ;
Abstract

A process for the manufacture of linear, substantially gel free, high cis 1,4 poly(butadiene) comprising polymerization in the presence of (a) a catalyst comprising at least one cobalt compound, at least one organoaluminium compound, and water, and (b) a cycloalkane as main solvent component, and (c) at least one substituted benzene as polymerization regulator of the general formula ##STR1## wherein n is an integer in the range of from 3 to 5, and wherein each R represents a lower alkoxy group containing from 1 to 6 carbon atoms.

Find Patent Forward Citations

Van Der Arend, Johannes. (1997). Manufacturing process for high cis poly(butadiene) (U.S. Patent No. 5691429). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5691429

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