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:
Aug. 10, 1976
Filed:
Feb. 21, 1975
Applicant:
Inventors:
Kenneth H Brumbaugh, Baytown, TX (US);
James J McAlpin, Baytown, TX (US);
Assignee:
Exxon Research and Engineering Company, Linden, NJ (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08F / ;
U.S. Cl.
CPC ...
2608 / ;
Abstract
A process for the copolymerization of alpha-olefins to form a block olefinic copolymer. In these processes solid polymeric alpha-olefin which contains an active catalyst is fed into two parallel fluid-bed reactors and concurrently, two different, gaseous, olefinic monomer streams are cyclically fed into first one reactor and then the other. The block olefinic copolymer is continuously withdrawn from the reactors during the cyclic injection thereinto.
Brumbaugh, Kenneth. (1976). Block copolymer processes (U.S. Patent No. 3974237). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/3974237
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile