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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 12179391 B1

PDFFull Text
Date of Patent:
Dec. 31, 2024

Filed:

Apr. 29, 2020

Release agent for plastic

Applicant:

Shin-etsu Chemical Co., Ltd., Tokyo, JP;

Inventors:

Yuko Ando, Tomioka, JP;

Saori Ubukata, Takasaki, JP;

Hanako Tawata, Annaka, JP;

Assignee:

SHIN-ETSU CHEMICAL CO., LTD., Tokyo, JP;

Attorney:

Oliff PLC

Primary Examiner:

Anthony J Green

Assistant Examiner:

Marites A Guino-O Uzzle

Int. Cl.
CPC ...
B29C 33/64 (2006.01); C08J 7/04 (2020.01); C08K 5/1545 (2006.01); C08L 71/02 (2006.01); C08L 71/08 (2006.01); C08L 83/04 (2006.01); C08G 77/04 (2006.01); C08G 77/12 (2006.01); C08G 77/16 (2006.01);
U.S. Cl.
CPC ...
B29C 33/64 (2013.01); C08J 7/0427 (2020.01); C08K 5/1545 (2013.01); C08L 71/02 (2013.01); C08L 71/08 (2013.01); C08L 83/04 (2013.01); C08G 77/04 (2013.01); C08G 77/12 (2013.01); C08G 77/16 (2013.01); C08J 2367/02 (2013.01); C08J 2483/04 (2013.01);
Abstract

A release agent for plastic contains the following components (A) to (E) and has an average particle size of 200 nm or less: (A) 100 parts by mass of an organopolysiloxane having a viscosity at 25° C. of 100 to 100,000 mm/s; (B) 0.1 to 15.0 parts by mass of one or more anionic surfactants; (C) 1.0 to 30.0 parts by mass of a polyoxyethylene alkyl ether; (D) 0.5 to 15.0 parts by mass of a polyoxyethylene sorbitan fatty acid ester; and (E) 50 to 100,000 parts by mass of water. The release agent is an organopolysiloxane emulsion having excellent dilution stability and mechanical stability and favorable wettability, and hardly cracking plastic.

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Ando, Yuko. (2024). Release agent for plastic (U.S. Patent No. 12179391). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12179391

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