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.

Date of Patent:
Dec. 03, 2024

Filed:

Jun. 08, 2020
Applicants:

Takemoto Yushi Kabushiki Kaisha, Gamagori, JP;

Sintokogio, Ltd., Nagoya, JP;

Inventors:

Yusuke Kato, Toyokawa, JP;

Tomohiro Aoki, Toyokawa, JP;

Shumma Sato, Gamagori, JP;

Assignees:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B22C 1/18 (2006.01); B22C 1/02 (2006.01); B22C 9/02 (2006.01);
U.S. Cl.
CPC ...
B22C 1/02 (2013.01); B22C 1/18 (2013.01); B22C 1/188 (2013.01); B22C 9/02 (2013.01);
Abstract

The additive composition of the present invention is one blended in a sand composition which is subjected to foaming to mold a sand mold, and includes (A) an alkylsulfonate metal salt having an alkyl group with 9 to 22 carbon atoms. The additive composition may further include at least one component selected from a group consisting of (B) an alkylsulfate metal salt, (C) a polyoxyalkylene alkyl ether sulfate metal salt, and (D) an alkylbenzene sulfonate metal salt.


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