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:
Nov. 13, 2001
Filed:
Mar. 30, 2000
Applicant:
Inventors:
Mannepalli Lakshmi Kantam, Andhra Pradesh, IN;
Mutyala Sateesh, Andhra Pradesh, IN;
Boyapati Manoranjan Choudary, Andhra Pradesh, IN;
Billakanti Veda Prakash, Andhra Pradesh, IN;
Kondapuram Vijaya Raghavan, Andhra Pradesh, IN;
Assignee:
Council Scientific and Industrial Research, Rafi Marg, IN;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C 4/500 ;
U.S. Cl.
CPC ...
C07C 4/500 ;
Abstract
An improved process for the preparation of acyl aromatic ethers useful as important intermediates for drugs and pharmaceuticals by reacting an aromatic ether with an acylating agent selected from a C2-C8 acid anhydrides, employing nano- and microcrystalline zeolite beta as catalyst is disclosed.