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.

Date of Patent:
Jun. 13, 2023

Filed:

Sep. 20, 2019
Applicant:

Kuraray Co., Ltd., Kurashiki, JP;

Inventors:

Takafumi Konno, Saijo, JP;

Tatsuya Sunamoto, Chiyoda-ku, JP;

Michiyuki Nanba, Kurashiki, JP;

Tetsuya Hara, Kurashiki, JP;

Assignee:

KURARAY CO., LTD., Kurashiki, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09K 19/38 (2006.01); C08G 63/60 (2006.01); C09K 19/32 (2006.01); H05K 1/05 (2006.01);
U.S. Cl.
CPC ...
C09K 19/3809 (2013.01); C08G 63/605 (2013.01); C09K 19/322 (2013.01); H05K 1/056 (2013.01); C09K 2219/11 (2013.01);
Abstract

Provided are a thermoplastic polymer capable of reducing a dielectric dissipation factor in high frequency bands and a film thereof. The thermoplastic liquid crystal polymer includes repeating units represented by the following formulae (I), (II), (III) and (IV), in which a molar ratio of a total amount of the repeating units represented by formulae (I) and (II) to a total amount of all the repeating units in the thermoplastic liquid crystal polymer is 50 to 90 mol %, and a molar ratio of the repeating unit represented by formula (III) to the repeating unit represented by formula (IV) is the former/the latter=23/77 to 77/23.


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