Patents by Inventor Stefano Servi

Stefano Servi has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 7501533
    Abstract: Process for preparing lysophosphatidylcholine by selective monoacylation of glycerophosphorylcholine (1), in the presence of an acylating agent and of a dialkyltin derivative, according to the following diagram: The process is particularly simple and has high overall yields.
    Type: Grant
    Filed: December 6, 2005
    Date of Patent: March 10, 2009
    Assignee: Chem SpA
    Inventors: Lorenzo De Ferra, Stefano Servi, Ezio Fasoli, Mauro Anibaldi, Daniele Scorretti
  • Publication number: 20060079703
    Abstract: What is described is a process for preparing lysophosphatidylcholine by selective monoacylation of glycerophosphoryleholine (1), in the presence of an acylating agent and of dialkyltin derivatives, according to the following diagram: the process being particularly simple and having high overall yields.
    Type: Application
    Filed: December 6, 2005
    Publication date: April 13, 2006
    Applicant: Chem SPA
    Inventors: Lorenzo De Ferra, Stefano Servi, Ezio Fasoli, Mauro Anibaldi, Daniele Scorretti
  • Patent number: 6346632
    Abstract: A process for the preparation of the compounds of formula (wherein R has the meanings reported in the specification) by enzymatic transesterification of enantiomeric mixtures is described. These compounds are intermediates useful in the synthesis of Diltiazem.
    Type: Grant
    Filed: June 7, 1995
    Date of Patent: February 12, 2002
    Assignee: Zambon Group S.p.A.
    Inventors: Luca Ghirotto, Stefano Servi, Claudio Fuganti, Angelo Gentile, Claudio Giordano
  • Patent number: 5700668
    Abstract: The invention relates to a process for the preparation of phosphatidylserines by reacting racemic or enantiomerically pure serine, preferably (L)-serine, with natural phosphatides, such as soybean or egg lecithin, or with synthetic phosphatides, in the presence of a phospholipase D, having transphosphatidylating activity, in an aqueous/organic diphasic system.
    Type: Grant
    Filed: December 8, 1995
    Date of Patent: December 23, 1997
    Assignee: Italfarmaco Sud S.p.A.
    Inventors: Lorenzo De Ferra, Pietro Massardo, Oreste Piccolo, Stefano Servi
  • Patent number: 5571704
    Abstract: A process for the preparation of the compounds of formula ##STR1## (wherein R has the meanings reported in the specification) by enzymatic transesterification of enantiomeric mixtures is described.These compounds are intermediates useful in the synthesis of Diltiazem.
    Type: Grant
    Filed: March 14, 1995
    Date of Patent: November 5, 1996
    Assignee: Zambon Group S.p.A.
    Inventors: Luca Ghirotto, Stefano Servi, Claudio Fuganti, Angelo Gentile, Claudi o Giordano