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. 07, 2025
Filed:
May. 28, 2021
Applicant:
Eternal Materials Co., Ltd., Kaohsiung, TW;
Inventors:
Assignee:
ETERNAL MATERIALS CO., LTD., Kaohsiung, TW;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09K 19/38 (2006.01);
U.S. Cl.
CPC ...
C09K 19/3809 (2013.01);
Abstract
An aromatic liquid crystal polyester, having repeating units represented by formulae (1) and (2), respectively: where R', Ar, Ar, Ar, X, Y, Yand Z are those as defined in the specification. Also, a liquid crystal polyester composition including the aromatic liquid crystal polyester and a solvent. The composition has an improved viscosity stability. Also, a liquid crystal polyester film prepared from the liquid crystal polyester composition and a method for manufacturing the same. The liquid crystal polyester film has excellent properties such as a low hygroscopicity and a low dissipation factor (Df).