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:
Sep. 21, 2004
Filed:
May. 31, 2002
Applicant:
Inventors:
Assignee:
Borregaard Italia S.p.A., Milan, IT;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07C 6/500 ;
U.S. Cl.
CPC ...
C07C 6/500 ;
Abstract
Process for the preparation of ethers of hydroxybenzoic acid having general formula (I), which comprises reacting a hydroxybenzoic acid, optionally substituted, with a halide XR , wherein X is a halogen such as chlorine, in a basic environment and in an aqueous or aqueous/organic biphasic solvent.
Panseri, Pietro. (2004). Process for the preparation of ethers deriving from hydroxybenzoic acids (U.S. Patent No. 6794538). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/6794538
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