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. 30, 2010
Filed:
May. 06, 2008
Applicants:
Antonio Nardi, Paderno Dungnano, IT;
Mara Sada, Rho, IT;
Annibale Salvi, Milan, IT;
Stefano Maiorana, Milan, IT;
Inventors:
Antonio Nardi, Paderno Dungnano, IT;
Mara Sada, Rho, IT;
Annibale Salvi, Milan, IT;
Stefano Maiorana, Milan, IT;
Assignee:
Laboratorio Chimico Internazionale, S.p.A., Milan, IT;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C 45/61 (2006.01);
U.S. Cl.
CPC ...
Abstract
The invention concerns a new process for the preparation of naphthoquinones, in particular an improved process for the preparation of 2,3-disubstituted 1,4-naphthoquinones, in the trans configuration.