logo

For the Inventor, By the Inventor

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 5616631 B1

PDFFull Text
Date of Patent:
Apr. 01, 1997

Filed:

Oct. 31, 1995

Binder composition for mold making, binder/curing agent composition for

Applicant:
Inventors:

Kazuhiko Kiuchi, Aichi, JP;

Shigeo Nakai, Aichi, JP;

Masuo Sawa, Aichi, JP;

Masayuki Kato, Aichi, JP;

Mitsuru Sakai, Wakayama, JP;

Shinya Nomura, Aichi, JP;

Assignee:

Kao Corporation, Tokyo, JP;

Attorney:

Oblon, Spivak, McClelland, Maier & Neustadt, P.C.

Primary Examiner:

Samuel A Acquah

Int. Cl.
CPC ...
B22C / ; C08F / ;
U.S. Cl.
CPC ...
523139 ; 525480 ; 525485 ; 525534 ; 523144 ; 523145 ;
Abstract

Sand compositions containing a binder composition and a curing agent, in which the binder composition comprises (a) a binder comprising an acid-curable resin and (b) from 0.5 to 63.0% by weight, based on the binder composition, of at least one curing accelerator selected from compounds represented by formula (1): ##STR1## wherein X.sub.1, X.sub.2 each represent a hydrogen atom, a methyl group or an ethyl group; exhibit an increased curing rate to provide a casting mold having an increased initial strength.

Find Patent Forward Citations

Kiuchi, Kazuhiko. (1997). Binder composition for mold making, binder/curing agent composition for (U.S. Patent No. 5616631). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5616631

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Loading…