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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 11269263 B1

PDFFull Text
Date of Patent:
Mar. 08, 2022

Filed:

Dec. 16, 2016

Bischloroformate composition, bischloroformate composition production method, bischloroformate composition-containing solution, polycarbonate resin, polycarbonate resin production method, coating liquid, electrophotographic photoreceptor, and electrophotographic device

Applicant:

Idemitsu Kosan Co., Ltd., Tokyo, JP;

Inventors:

Kengo Hirata, Chiba, JP;

Takaaki Hikosaka, Chiba, JP;

Hironobu Morishita, Chiba, JP;

Assignee:

IDEMITSU KOSAN CO., LTD., Tokyo, JP;

Attorneys:

Millen, White, Zelano & Branigan, PC

Ryan Pool

Primary Examiner:

Duane Smith

Assistant Examiner:

Nicholas E Brown

Int. Cl.
CPC ...
G03G 5/05 (2006.01); C07C 69/96 (2006.01); C08G 64/06 (2006.01); C08G 64/18 (2006.01); C08L 69/00 (2006.01); C08G 64/26 (2006.01); C07C 68/02 (2006.01);
U.S. Cl.
CPC ...
G03G 5/05 (2013.01); C07C 68/02 (2013.01); C07C 69/96 (2013.01); C08G 64/06 (2013.01); C08G 64/18 (2013.01); C08G 64/26 (2013.01); C08L 69/00 (2013.01); G03G 5/0564 (2013.01);
Abstract

A bischloroformate composition is represented by a formula (1) below, contains a plurality of Ar components, and has an average number of monomer units (m1), which is calculated by an expression (Numerical Expression 1) below, ranging from 1.0 to 1.99. The plurality of Ar components are each independently Aror Ar. The plurality of Ar components include at least one Arand at least one Ar. Aris a group represented by a formula (2) below. Aris a group represented by a formula (3) below. A molar composition ratio represented by Ar/(Ar+Ar) ranges from 45 mol % to 99 mol %.

Find Patent Forward Citations

Hirata, Kengo. (2022). Bischloroformate composition, bischloroformate composition production method, bischloroformate composition-containing solution, polycarbonate resin, polycarbonate resin production method, coating liquid, electrophotographic photoreceptor, and electrophotographic device (U.S. Patent No. 11269263). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/11269263

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