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:
Sep. 02, 2014
Filed:
Dec. 17, 2010
Masayuki Kato, Toyohashi, JP;
Toshiki Matsuo, Toyohashi, JP;
Tomofumi Kanzawa, Toyohashi, JP;
Takashi Joke, Toyohashi, JP;
Masayuki Kato, Toyohashi, JP;
Toshiki Matsuo, Toyohashi, JP;
Tomofumi Kanzawa, Toyohashi, JP;
Takashi Joke, Toyohashi, JP;
Kao Corporation, Tokyo, JP;
Abstract
A binder composition for self-curing mold formation, comprising at least one condensate (A) selected from furfuryl alcohol condensate and furfuryl alcohol/formaldehyde condensate, and an acid-curable resin (B), wherein about the condensate(s) (A), the presence ratio by mole of its/their furan rings (a) to the total of its/their methylol groups (b), methylene groups (c) and oxymethylene groups (d), a:(b+c+d), is from 1:1.00 to 1:1.08, and the content by percentage of the at least one condensate (A) is from 0.3 to 8.0% by weight.