Patents by Inventor Marcel Culcasi

Marcel Culcasi 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).

  • Linear or cyclic aminophosphonates as pH markers in phosphorus 31 NMR spectroscopy
    Patent number: 6528656
    Abstract: Linear or cyclic aminophosphonates are disclosed which are useful as pH markers. A method of using the linear or cyclic aminophosphonates in phosphorus-31 NMR spectroscopy is also disclosed.
    Type: Grant
    Filed: November 16, 2000
    Date of Patent: March 4, 2003
    Assignee: Centre National de la Recherche Scientifique (CNRS)
    Inventors: Sylvia Pietri, François Le Moigne, Malvina Miollan, Marcel Culcasi
  • Nitrones which are usable for the scavenging of free radicals
    Patent number: 5750710
    Abstract: New nitrones which are usable for the scavaging of free radicals, are selected from 5-diethoxyphosphoryl-5-methyl-1-pyrroline 1-oxide, 5-phosphono-5-methyl-1-pyrroline 1-oxide, and 5-diethoxyphosphoryl-5-methyl-(2,3,3-.sup.2 H.sub.3)-1-pyrroline 1-oxide, as well as its corresponding physiologically acceptable salts obtained by the action of an inorganic or organic base.
    Type: Grant
    Filed: March 16, 1995
    Date of Patent: May 12, 1998
    Assignee: Centre National de la Recherche Scientifique (C.N.R.S.)
    Inventors: Claudine Marie Clemence Barbe Frejaville, Hakim Karoui, Francois Le Moigne, Marcel Culcasi, Sylvia Pietri, Paul Tordo