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:
Jun. 29, 2010

Filed:

Apr. 05, 2006
Applicants:

Sachio Kitagawa, Kyoto, JP;

Masahide Ishikawa, Kyoto, JP;

Yoshihiro Ishibashi, Kyoto, JP;

Taiichiro Iwamura, Kyoto, JP;

Yoshihiro Kihara, Kyoto, JP;

Inventors:

Sachio Kitagawa, Kyoto, JP;

Masahide Ishikawa, Kyoto, JP;

Yoshihiro Ishibashi, Kyoto, JP;

Taiichiro Iwamura, Kyoto, JP;

Yoshihiro Kihara, Kyoto, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C 231/02 (2006.01);
U.S. Cl.
CPC ...
Abstract

Disclosed are, for example, a process for producing a tricarboxylic acid tris(alkyl-substituted cyclohexylamide), the process comprising subjecting a tricarboxylic acid and an alkyl-substituted cyclohexylamine to an amidation reaction, either (a) in the presence of a boric acid compound and a phenol compound or (b) in the presence of a boric acid ester obtained by the dehydration condensation of a boric acid compound and a phenol compound, and optionally purifying the resulting crude reaction product.


Find Patent Forward Citations

Loading…