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. 11, 2020
Filed:
Apr. 30, 2015
Applicant:
Arlanxeo Canada Inc., Sarnia, CA;
Inventors:
Steven John Teertstra, London, CA;
Gilles Arsenault, London, CA;
Assignee:
ARLANXEO CANADA INC., Sarnia, CA;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08F 210/12 (2006.01); C08C 19/14 (2006.01);
U.S. Cl.
CPC ...
C08F 210/12 (2013.01);
Abstract
Methods are provided to efficiently produce butyl rubber via a slurry polymerization process. The process comprises providing at least two monomers, wherein at least one monomer is an isoolefin and at least one monomer is a multiolefin. The monomers are combined with an initiator and an organic diluent comprising 40-60 volume % of methyl chloride and 40-60 volume % of 1,1,1, 2-tetrafluoroethane and polymerized.