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:
Jul. 06, 2010
Filed:
Feb. 27, 2004
Applicants:
Kimiyuki Shibuya, Saitama, JP;
Tadaaki Ohgiya, Saitama, JP;
Takayuki Matsuda, Tokyo, JP;
Inventors:
Assignee:
Kowa Co., Ltd., Nagoya-shi, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07D 243/00 (2006.01); C07D 241/04 (2006.01); C07D 295/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
This invention relates to a method for preparing an acid addition salt of a polyacidic basic compound, or a water adduct having basic site(s) stronger than pyridine. The method comprises reacting the polyacidic basic compound with an acid salt of pyridine. By the present invention, the number of moles of an added acid in the acid addition salt of the polyacidic basic compound can be readily changed to a number suited for the polyacidic basic compound as needed.