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:
Dec. 11, 2007
Filed:
Mar. 03, 2003
Francesco Sannicolo′, Milan, IT;
Oreste Piccolo, Sirtori, IT;
Tiziana Benincori, Milan, IT;
Mara Sada, Rho, IT;
Alessandra Verrazzani, Pisa, IT;
Simona Tollis, Sora, IT;
Elio Ullucci, Latina, IT;
Lorenzo DE Ferra, Rome, IT;
Simona Rizzo, San Giuliano Milanese, IT;
Francesco Sannicolo′, Milan, IT;
Oreste Piccolo, Sirtori, IT;
Tiziana Benincori, Milan, IT;
Mara Sada, Rho, IT;
Alessandra Verrazzani, Pisa, IT;
Simona Tollis, Sora, IT;
Elio Ullucci, Latina, IT;
Lorenzo De Ferra, Rome, IT;
Simona Rizzo, San Giuliano Milanese, IT;
Chemi S.p.A., Cinisello Balsamo, IT;
Abstract
Metallic catalysts of the general formula (I) and their precursors, suitable for chemo- regio- and stereoselective reactions, derived from ortho-bis-(1-phospholanyl)-heteroarenes. The new catalysts are characterized by the presence of two homo-morphic phospholanic rings set in adjacent positions of an aromatic pentatomic heterocycle