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:
Jul. 10, 2018
Filed:
Jun. 08, 2015
Applicant:
Igm Resins Italia S.r.l., Milan, IT;
Inventors:
Gabriele Norcini, Comabbio, IT;
Angelo Casiraghi, Milan, IT;
Enzo Meneguzzo, Sesto Calende, IT;
Giovanni Floridi, Novara, IT;
Giuseppe Li Bassi, Gavirate, IT;
Assignee:
IGH RESINS ITALIA S.R.L., Milan, unknown;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C 2/64 (2006.01); C07C 2/72 (2006.01); C07C 45/72 (2006.01); C07C 45/46 (2006.01); C07C 45/63 (2006.01); C07C 45/64 (2006.01); C07C 13/465 (2006.01); C07C 22/04 (2006.01); C07C 45/42 (2006.01); C07C 45/65 (2006.01); C07C 45/81 (2006.01); C07C 49/788 (2006.01); C07C 49/792 (2006.01); C07C 49/794 (2006.01); C07C 49/82 (2006.01); C07C 17/14 (2006.01);
U.S. Cl.
CPC ...
C07C 13/465 (2013.01); C07C 17/14 (2013.01); C07C 22/04 (2013.01); C07C 45/42 (2013.01); C07C 45/46 (2013.01); C07C 45/63 (2013.01); C07C 45/64 (2013.01); C07C 45/65 (2013.01); C07C 45/72 (2013.01); C07C 45/81 (2013.01); C07C 49/788 (2013.01); C07C 49/792 (2013.01); C07C 49/794 (2013.01); C07C 49/82 (2013.01); C07C 2523/04 (2013.01);
Abstract
The present invention refers to a process for producing 5-[4-(2-hydroxy-2-methyl)-1-oxo-prop-1-yl]-3-[4-(2-hydroxy-2-methyl)-1-oxo-prop-1-yl-phenyl]-2,3-dihydro-1,1,3-trimethyl-1H-indene (dimer isomer 5) that comprises the synthesis from cumene and dimerization of 2-methyl-1-(4-(prop-1-en-2-yl)phenyl)propan-1-one in the presence of acid catalysts.