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:
Jan. 09, 2018
Filed:
May. 13, 2013
Applicant:
Asahi Kasei Chemicals Corporation, Tokyo, JP;
Inventors:
Assignee:
Asahi Kasei Cehmicals Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C08F 6/06 (2006.01); C08F 6/08 (2006.01); C08F 8/04 (2006.01); C08F 299/02 (2006.01); C08F 6/00 (2006.01); C08F 6/02 (2006.01);
U.S. Cl.
CPC ...
C08F 299/02 (2013.01); C08F 6/008 (2013.01); C08F 6/02 (2013.01); C08F 6/06 (2013.01);
Abstract
The present invention provides a method for producing a polymer by efficiently removing residue of metals such as titanium, aluminum and lithium from a polymer solution containing the residue of these metals to successfully obtain a purified polymer solution containing a smaller amount of the metal residue and having satisfactory color tone and transparency, a polymer solution and a polymer obtained by the production method.
Shimizu, Daisuke. (2018). Method for producing a polymer, polymer solution and polymer (U.S. Patent No. 9862793). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/9862793
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile