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:
Sep. 17, 2024
Filed:
Sep. 02, 2021
Applicant:
Idemitsu Kosan Co., Ltd., Tokyo, JP;
Inventors:
Koichi Suga, Sodegaura, JP;
Minoru Senga, Sodegaura, JP;
Hiromu Kumagai, Sodegaura, JP;
Yuko Murakami, Ichihara, JP;
Assignee:
IDEMITSU KOSAN CO., LTD., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08G 65/40 (2006.01); C08J 5/18 (2006.01); C08K 7/06 (2006.01); C08K 7/14 (2006.01);
U.S. Cl.
CPC ...
C08G 65/4012 (2013.01); C08J 5/18 (2013.01); C08K 7/06 (2013.01); C08K 7/14 (2013.01); C08G 2650/40 (2013.01); C08J 2371/10 (2013.01);
Abstract
Provided is a polyether ether ketone, comprising a repeating unit represented by the following formula (1), satisfying one or both of the following conditions (A) and (B), and having a hydroxy group at one terminal or both terminals of a main chain of the polyether ether ketone: (A) a fluorine atom content a is less than 2 mg/kg; and (B) a chlorine atom content b is 2 mg/kg or more.