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:
Aug. 03, 1999
Filed:
Mar. 31, 1997
Applicant:
Inventors:
Paul Ratnasamy, Maharashtra, IN;
Robert Raja, Maharashtra, IN;
Pramod Prabhakar Moghe, Maharashtra, IN;
Madhav Gopal Kotasthane, Maharashtra, IN;
Ashwini Vinayak Pol, Maharashtra, IN;
Prakash Kondiba Bahirat, Maharashtra, IN;
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C / ;
U.S. Cl.
CPC ...
568741 ;
Abstract
This invention relates to a process for the hydroxylation of napthalene to .varies. and .beta. naphthols which comprises reacting napthalene with hydrogen peroxide in the presence of a solid catalyst containing an organotransition metal complex wherein some or all of the hydrogen atoms of the said organotransition metal complex have been substituted by one or more electron withdrawing group in the presence of solvents, with or without promoter and isolating the naphthols formed by conventional methods.