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:
Jun. 04, 2013
Filed:
Mar. 27, 2008
Applicants:
Yasumasa Takenaka, Tsukuba, JP;
Jun-chul Choi, Tsukuba, JP;
Toshiyasu Sakakura, Tsukuba, JP;
Hiroyuki Yasuda, Tsukuba, JP;
Takahiro Kiyosu, Kawagoe, JP;
Inventors:
Yasumasa Takenaka, Tsukuba, JP;
Jun-Chul Choi, Tsukuba, JP;
Toshiyasu Sakakura, Tsukuba, JP;
Hiroyuki Yasuda, Tsukuba, JP;
Takahiro Kiyosu, Kawagoe, JP;
Assignees:
Wako Pure Chemical Industries, Ltd., Osaka-shi, JP;
National Institute of Advanced Industrial Science and Technology, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C 239/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
The invention provides a method for producing an arylhydroxylamine compound efficiently and safely under mild conditions. The method involves contacting a nitroaryl compound with a hydrogen source in the presence of a platinum catalyst supported on amino group-coordinated silica and a poisoning agent.