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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 11254821 B1

PDFFull Text
Date of Patent:
Feb. 22, 2022

Filed:

Mar. 27, 2018

Silicone oil-treated fumed silica, manufacturing method and application thereof

Applicant:

Tokuyama Corporation, Shunan, JP;

Inventors:

Takayuki Maehara, Jiaxing, CN;

Qingtao Zhou, Jiaxing, CN;

Jianzhang Dai, Jiaxing, CN;

Assignee:

TOKUYAMA CORPORATION;

Attorney:

Harness, Dickey & Pierce, P.L.C.

Primary Examiner:

Hoa (Holly) Le

Int. Cl.
CPC ...
B32B 5/16 (2006.01); B05D 7/00 (2006.01); C09C 1/30 (2006.01); C08G 59/40 (2006.01); C08G 59/50 (2006.01); C09J 11/06 (2006.01); C09J 163/00 (2006.01);
U.S. Cl.
CPC ...
C09C 1/3081 (2013.01); C08G 59/4085 (2013.01); C08G 59/504 (2013.01); C09J 11/06 (2013.01); C09J 163/00 (2013.01); C01P 2006/10 (2013.01); C01P 2006/11 (2013.01); C01P 2006/12 (2013.01); C01P 2006/22 (2013.01); C01P 2006/80 (2013.01); Y10T 428/2995 (2015.01);
Abstract

A silicone oil-treated fumed silica and a method of producing the silicone oil-treated fumed silica are provided. The silicone oil-treated fumed silica, which has the following physical properties: A) the silicone oil-treated fumed silica has a degree of hydrophobicity of 68 vol % or more; B) the silicone oil-treated fumed silica has a silicone oil fixation rate of from 60 mass % to 95 mass %; and C) a composition obtained by adding 6 parts by mass of the silicone oil-treated fumed silica to 100 parts by mass of an amine composition containing trimethylolpropane polyoxypropylene triamine and 1,3-bis(aminomethyl)cyclohexane at a mass ratio of 95:5 has a viscosity of 4,000 mPa·s or more after the composition is left to stand at 25° C. for 1 hour.

Find Patent Forward Citations

Maehara, Takayuki. (2022). Silicone oil-treated fumed silica, manufacturing method and application thereof (U.S. Patent No. 11254821). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/11254821

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