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:
Mar. 11, 2025
Filed:
Oct. 22, 2019
Applicant:
Celanese Polymers Holding, Inc, Wilmington, DE (US);
Inventor:
Yunfeng Jiao, Shanghai, CN;
Assignee:
Celanese Polymers Holding, Inc., Wilmington, DE (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C08L 77/06 (2006.01); C08K 3/04 (2006.01); C08K 3/36 (2006.01);
U.S. Cl.
CPC ...
C08L 77/06 (2013.01); C08K 3/042 (2017.05); C08K 3/36 (2013.01); C08K 2201/003 (2013.01); C08K 2201/005 (2013.01); C08L 2203/20 (2013.01);
Abstract
Disclosed herein are polymeric compositions with low dielectric loss while maintaining high dielectric constant. The composition includes: a) at least one thermoplastic polymer; and b) graphite flakes that are coated with silica coating particles, wherein, the coated graphite flakes have a weight ratio of C:Si ranging from about 10:1-4:1, and the silica coating particles have an average diameter of about 80-400 nm.