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:
Oct. 01, 2024
Filed:
Jul. 24, 2019
Applicant:
Tosoh Corporation, Yamaguchi, JP;
Inventors:
Mitsushige Ikemoto, Mie, JP;
Futoshi Oota, Mie, JP;
Assignee:
TOSOH CORPORATION, Yamaguchi, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08G 18/76 (2006.01); B01D 63/04 (2006.01); B01D 69/08 (2006.01); C08G 18/28 (2006.01); C08G 18/61 (2006.01); C09K 3/10 (2006.01);
U.S. Cl.
CPC ...
C08G 18/7671 (2013.01); B01D 63/04 (2013.01); B01D 69/08 (2013.01); C08G 18/2825 (2013.01); C08G 18/283 (2013.01); C08G 18/61 (2013.01); C09K 3/1021 (2013.01); B01D 2313/04 (2013.01); B01D 2319/02 (2013.01); C09K 2200/0685 (2013.01);
Abstract
An allophanate group-containing polyisocyanate composition that contributes to the formation of a polyurethane resin with fewer bubbles is provided. Disclosed is an allophanate group-containing polyisocyanate composition (C) including a reaction product of diphenylmethane diisocyanate (A) and a hydroxyl group-containing compound (B), wherein the hydroxyl group-containing compound (B) includes a hydroxyl group-containing polymethylsiloxane compound (B-1) in an amount of 1 ppm or more and 300 ppm or less.