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:
Feb. 19, 2013
Filed:
Apr. 07, 2009
Applicants:
Tsuneji Suzuki, Chiba, JP;
Takaomi Hayashi, Chiba, JP;
Hideo Kitagawa, Kawasaki, JP;
Naritoshi Yoshimura, Funabashi, JP;
Inventors:
Tsuneji Suzuki, Chiba, JP;
Takaomi Hayashi, Chiba, JP;
Hideo Kitagawa, Kawasaki, JP;
Naritoshi Yoshimura, Funabashi, JP;
Assignee:
Mitsui Chemicals, Inc., Minato-Ku, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C 45/00 (2006.01); C07C 33/30 (2006.01);
U.S. Cl.
CPC ...
Abstract
Provided is a method for producing catechol in a one-pot by reacting (4S,5R,6S)-4,5,6-trihydroxy-2-cyclohexene-1-one under hydrogen-reducing conditions while heating.