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. 20, 2010
Filed:
Nov. 13, 2008
Applicants:
Hisayuki Watanabe, Funabashi, JP;
Kowichiro Saruhashi, Funabashi, JP;
Inventors:
Hisayuki Watanabe, Funabashi, JP;
Kowichiro Saruhashi, Funabashi, JP;
Assignee:
Nissan Chemical Industries, Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07D 301/12 (2006.01);
U.S. Cl.
CPC ...
Abstract
Process for producing an oxirane compound includes treating with hydrogen peroxide in the presence of either an olefin oxidation catalyst prepared from an organic compound or a polymer compound of formula (1) a tungstic acid compound, a phosphoric acid, hydrogen peroxide and a quaternary ammonium salt of formula (2) or (3) or an olefin oxidation catalyst prepared from an organic compound or a polymer compound of formula (1), a tungsten compound and a quaternary ammonium salt of formula (2) or (3). The process is useful especially industrially.