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:
Aug. 06, 2024
Filed:
Jul. 17, 2019
Applicant:
Taiyo Holdings Co., Ltd., Hiki-gun, JP;
Inventors:
Mami Nosaka, Hiki-gun, JP;
Satoko Matsumura, Hiki-gun, JP;
Nobuhiro Ishikawa, Hiki-gun, JP;
Toshiaki Masuda, Hiki-gun, JP;
Assignee:
TAIYO HOLDINGS CO., LTD., Hiki-gun, JP;
Primary Examiner:
Int. Cl.
CPC ...
C08L 71/12 (2006.01); C08G 65/44 (2006.01); C08G 65/48 (2006.01); C08J 5/18 (2006.01); C08J 5/24 (2006.01); C08K 3/36 (2006.01); C08K 7/02 (2006.01); C08L 63/00 (2006.01); C08L 79/04 (2006.01);
U.S. Cl.
CPC ...
C08L 71/12 (2013.01); C08G 65/44 (2013.01); C08G 65/485 (2013.01); C08J 5/18 (2013.01); C08J 5/244 (2021.05); C08J 5/245 (2021.05); C08J 5/249 (2021.05); C08K 3/36 (2013.01); C08K 7/02 (2013.01); C08L 63/00 (2013.01); C08L 79/04 (2013.01); C08K 2201/011 (2013.01); C08L 2203/20 (2013.01); C08L 2205/03 (2013.01);
Abstract
The present invention provides a poly(phenylene ether) which retains low-dielectric characteristics and is soluble in various solvents. The poly(phenylene ether) is characterized by being obtained from one or more raw-material phenols including a phenol satisfying at least Requirement 1 (to have hydrogen atoms in the ortho and para positions) and by having a slope calculated from a conformational plot of less than 0.6.