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. 17, 2012
Filed:
Mar. 26, 2008
Koichi Nakazawa, Toyonaka, JP;
Tomonori Yoshiyama, Funabashi, JP;
Kouji Yoshikawa, Toyonaka, JP;
Sumitomo Chemical Company, Limited, Tokyo, JP;
Abstract
A process for producing a trichloropyrimidine compound represented by the formula (2): wherein R represents a hydrogen atom etc., comprising reacting a dihydroxypyrimidine compound represented by the formula (1): wherein R represents the same meaning as above, with sulfuryl chloride and at least one chlorinating agent selected from the group consisting of hydrogen chloride, thionyl chloride, phosgene, phosphorus oxychloride, phosphorus pentachloride and phosphorus trichloride in the presence of an organic base.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile