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:
Oct. 16, 2007
Filed:
Dec. 31, 2002
Mihir Kanti Chaudhuri, Assam, IN;
Sanjay Kumar Dehury, Assam, IN;
Siddhartha Sankar Dhar, Assam, IN;
Upasana Bora, Assam, IN;
Boyapati Manoranjan Choudary, Andhra Pradesh, IN;
Lakshmi Kantam Mannepalli, Andhra Pradesh, IN;
Mihir Kanti Chaudhuri, Assam, IN;
Sanjay Kumar Dehury, Assam, IN;
Siddhartha Sankar Dhar, Assam, IN;
Upasana Bora, Assam, IN;
Boyapati Manoranjan Choudary, Andhra Pradesh, IN;
Lakshmi Kantam Mannepalli, Andhra Pradesh, IN;
Council of Scientific and Industrial Research, New Delhi, IN;
Abstract
The present invention provides an improved, economical and environmentally benign process for metal complexes of acetylacetone having the general formula, M(acac)wherein M is a metal cation selected from the group consisting of Fe, Co, Ni, Cu, Zn, Al, Ca, Mg, Mo, Ru, Re, U, Th, Ce, Na, K, Rb, Cs, V, Cr, and Mn etc., n is an integer which corresponds to the electrovalence of M, are obtained by reacting the corresponding metal hydroxide, metal hydrated oxide or metal oxide with a stoichiometric amount of acetylacetone and separating the product.