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:
Jul. 26, 2022
Filed:
Apr. 17, 2020
Applicant:
Bridgestone Corporation, Chuo-ku, JP;
Inventors:
Yingyi Huang, Hudson, OH (US);
Mark W. Smale, Hudson, OH (US);
Robert W. White, Gilbert, AZ (US);
Hiroshi Mouri, Chuo-ku, JP;
William M. Cole, Norton, OH (US);
Michael R. Hartzell, Gold Canyon, AZ (US);
Taigyoo Park, Mesa, AZ (US);
Assignee:
Bridgestone Corporation, Chuo-ku, JP;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C08C 1/04 (2006.01); C08C 3/02 (2006.01); C08C 2/06 (2006.01); C08G 83/00 (2006.01); C08C 2/02 (2006.01); C08L 97/02 (2006.01); C08J 11/08 (2006.01);
U.S. Cl.
CPC ...
C08C 3/02 (2013.01); C08C 1/04 (2013.01); C08C 2/02 (2013.01); C08C 2/06 (2013.01); C08G 83/00 (2013.01); C08J 11/08 (2013.01); C08L 97/02 (2013.01); C08J 2307/00 (2013.01); C08L 2205/03 (2013.01);
Abstract
Provided herein are organic solvent-based processes for the removal of rubber from non-plants such as guayule shrubs. By the use of the processes, solid purified rubber can be obtained that contains 0.05-0.5 weight % dirt, 0.2-1.5 weight % ash, and 0.1-4 weight % resin (when it has been dried so as to contain 0.8 weight % volatile matter).