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. 17, 2002
Filed:
Jan. 31, 2001
Tetsuo Yonezawa, Osaka, JP;
Yoshitaka Sakamoto, Osaka, JP;
Morita Chemical Industries Co., Ltd., Osaka, JP;
Abstract
A process for producing sulfonylimide compound is represented by the formula (I) MN(SO R ) (SO R ) industrially easily at a low cost in an efficient manner comprising reactions of at least one sulfonyl halogenides represented by the formula (II) R SO X with anhydrous ammonia or an ammonium salt in the presence of a fluorine compound represented by the formula (III) MF, in which X represents either F or Cl among halogen elements of VIIb group in the periodic table, and M represents any one of Li, Na, K and Cs among alkali metals of group Ia in the periodic table, R and R , which may be the same or different, respectively represent any one of a straight chain or branched compound of a fluoroalkyl, perfluoroalkyl, fluoroallyl or fluoroalkenyl group having 1 to 12 carbon atoms, and R in the formula (II) represents the same group as R or R in the formula (I).