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:
Apr. 19, 2016
Filed:
Aug. 25, 2011
Applicants:
Tetsuo Kamimoto, Saitama, JP;
Takayoshi Kaneda, Saitama, JP;
Hitoshi Kinoshita, Saitama, JP;
Shinji Nakano, Saitama, JP;
Susumu Ishii, Saitama, JP;
Inventors:
Tetsuo Kamimoto, Saitama, JP;
Takayoshi Kaneda, Saitama, JP;
Hitoshi Kinoshita, Saitama, JP;
Shinji Nakano, Saitama, JP;
Susumu Ishii, Saitama, JP;
Assignee:
ADEKA CORPORATION, Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
C01B 25/42 (2006.01); C07D 251/56 (2006.01);
U.S. Cl.
CPC ...
C07D 251/56 (2013.01); C01B 25/42 (2013.01);
Abstract
A producing method of a high-purity pyrophosphate comprising a calcination of the orthophosphate under the condition of 120° C.-350° C.; and a producing method suitable for manufacturing effectively the high-purity melamine pyrophosphate.