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:
Jan. 20, 2004
Filed:
Jan. 25, 2002
Applicant:
Inventors:
Albert Sun-Chi Chan, Kowloon, HK;
Jian-Ying Qi, Kowloon, HK;
Cheng-Chao Pai, Kowloon, HK;
Xian-Jun Li, Chengdu, CN;
Li-Sheng Deng, Chengdu, CN;
Wen-Zao Li, Chengdu, CN;
Bin Sun, Chengdu, CN;
Jia-Yuan Hu, Chengdu, CN;
Assignee:
Other;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07D / ; C07F 9/00 ; C07C / ; C07C / ;
U.S. Cl.
CPC ...
C07D / ; C07F 9/00 ; C07C / ; C07C / ;
Abstract
A method for the preparation of aryl methyl ketones converts a variety of ethyl arenas to the corresponding aryl methyl ketones using a dioxygen-containing gas as the oxidant. The catalyst used for the reaction is a metal complex bearing general formulas as disclosed.