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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.:

US 10882958 B1

PDFFull Text
Date of Patent:
Jan. 05, 2021

Filed:

Nov. 29, 2017

Polyamideimide copolymers and colorless and transparent polyamideimide film comprising the same

Applicant:

Lg Chem, Ltd., Seoul, KR;

Inventors:

Bi Oh Ryu, Daejeon, KR;

Kwan Yeol Paek, Daejeon, KR;

Young Ji Tae, Daejeon, KR;

Soon Yong Park, Daejeon, KR;

Young Seok Park, Daejeon, KR;

Assignee:

LG CHEM, LTD., Seoul, KR;

Attorney:

Rothwell, Figg, Ernst & Manbeck, P.C.

Primary Examiner:

Gregory Listvoyb

Int. Cl.
CPC ...
C08G 73/14 (2006.01); C08J 5/18 (2006.01); C09D 179/08 (2006.01); C08G 73/10 (2006.01);
U.S. Cl.
CPC ...
C08G 73/14 (2013.01); C08G 73/1039 (2013.01); C08G 73/1067 (2013.01); C08J 5/18 (2013.01); C09D 179/08 (2013.01); C08J 2379/08 (2013.01);
Abstract

A polyamideimide copolymer which is an imide of a polyamic acid resulting from copolymerizing an aromatic diamine monomer, an aromatic dianhydride monomer, and an aromatic dicarbonyl monomer and a colorless and transparent polyamideimide film including the polyamideimide copolymer. The polyamideimide copolymer according to the present disclosure makes it possible to provide a polyamideimide film exhibiting excellent scratch resistance while being colorless and transparent.

Find Patent Forward Citations

Ryu, Bi. (2021). Polyamideimide copolymers and colorless and transparent polyamideimide film comprising the same (U.S. Patent No. 10882958). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/10882958

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