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Patent Searching and Data


Title:
NOVEL O-ISOPROPYLISOUREA SALTS AND PROCESS FOR THE PRODUCTION THEREOF
Document Type and Number:
WIPO Patent Application WO/2004/067500
Kind Code:
A1
Abstract:
O-Isopropylisourea hydrogen sulfate and O-isopropyl- isourea sulfate which are represented by the general formula (I); and a process for the production thereof: (I) [wherein X is HSO4 or 1/2SO4]. O-Isopropylisourea hydrogen sulfate can be produced by reacting cyanamide with isopropyl alcohol in the presence of sulfuric acid, and O-isopropylisourea hydrogen sulfate can be converted into O-isopropylisourea sulfate by neutralization with an alkali metal hydroxide.

Inventors:
FUKUNISHI YOUICHI (JP)
KAKINUMA SHINICHI (JP)
ISHII KENICHI (JP)
MUROTANI MASAHIRO (JP)
Application Number:
PCT/JP2004/000484
Publication Date:
August 12, 2004
Filing Date:
January 21, 2004
Export Citation:
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Assignee:
NIPPON CARBIDE KOGYO KK (JP)
FUKUNISHI YOUICHI (JP)
KAKINUMA SHINICHI (JP)
ISHII KENICHI (JP)
MUROTANI MASAHIRO (JP)
International Classes:
C07C275/70; (IPC1-7): C07C275/70; C07C273/18
Foreign References:
GB1294442A1972-10-25
DE2358904A11975-06-05
Other References:
See also references of EP 1486484A4
Attorney, Agent or Firm:
Aoki, Atsushi (ISHIDA & ASSOCIATES Toranomon 37 Mori Bldg., 5-1, Toranomon 3-chom, Minato-ku Tokyo, JP)
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