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. 12, 2006
Filed:
Jan. 21, 2004
Applicants:
Youichi Fukunishi, Uozu, JP;
Shinichi Kakinuma, Uozu, JP;
Kenichi Ishii, Uozu, JP;
Masahiro Murotani, Toyama, JP;
Inventors:
Youichi Fukunishi, Uozu, JP;
Shinichi Kakinuma, Uozu, JP;
Kenichi Ishii, Uozu, JP;
Masahiro Murotani, Toyama, JP;
Assignee:
Nippon Carbide Kogyo Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C 273/00 (2006.01); C07C 275/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
O-isopropyl-isourea hydrogen sulfate or sulfate represented by the formula (I): wherein X represents HSOor ½ SOand the production method thereof, wherein O-isopropyl-isourea hydrogen sulfate is obtained by reacting cyanamide and isopropyl alcohol in the presence of sulfuric acid and is neutralized with an alkali metal hydroxide to produce O-isopropyl-isourea sulfate.