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:
Oct. 15, 2024
Filed:
Sep. 14, 2022
Applicant:
Sumitomo Seika Chemicals Co., Ltd., Hyogo, JP;
Inventors:
Akira Kimura, Himeji, JP;
Yuika Imamura, Himeji, JP;
Assignee:
SUMITOMO SEIKA CHEMICALS CO., LTD., Hyogo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08G 65/12 (2006.01); C08G 65/26 (2006.01); C08G 65/30 (2006.01); C08J 3/28 (2006.01); C08K 5/13 (2006.01);
U.S. Cl.
CPC ...
C08G 65/12 (2013.01); C08G 65/2609 (2013.01); C08G 65/30 (2013.01); C08J 3/28 (2013.01); C08K 5/13 (2013.01); C08G 2650/58 (2013.01); C08J 2371/02 (2013.01);
Abstract
A method for producing a polyalkylene oxide includes a step of irradiating a high-molecular-weight polyalkylene oxide with radiation in the presence or absence of an antioxidant to obtain a polyalkylene oxide,