Patents by Inventor Andrea Beltrami

Andrea Beltrami 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).

  • Bile acids conjugates with metal ion chelates and the use thereof
    Patent number: 6803030
    Abstract: Compounds able to chelate paramagnetic metal ions and the use thereof as contrast agents in the technique known as “Magnetic Resonance Imaging” (M.R.I.).
    Type: Grant
    Filed: August 27, 2002
    Date of Patent: October 12, 2004
    Assignee: Bracco Imaging S.p.A.
    Inventors: Christoph De Haen, Andrea Beltrami, Enrico Cappelletti, Luciano Lattuada, Mario Virtuani
  • Bile acids conjugates with metal ion chelates and the use thereof
    Publication number: 20030113265
    Abstract: Compounds able to chelate paramagnetic metal ions and the use thereof as contrast agents in the technique known as “Magnetic Resonance Imaging” (M.R.I.), which consist of at least two chelating agents conjugated via a multivalent linker group, to a bile acid.
    Type: Application
    Filed: August 27, 2002
    Publication date: June 19, 2003
    Inventors: Christoph De Haen, Andrea Beltrami, Enrico Cappelletti, Luciano Lattuada, Mario Virtuani
  • Chelating compounds, their complexes with paramagnetic metals
    Patent number: 6509324
    Abstract: Compounds able to chelate bi- and trivalent paramagnetic metal ions, their chelated complexes with these metal ions and physiologically compatible salts thereof and therein magnetic resonance imaging.
    Type: Grant
    Filed: September 24, 2001
    Date of Patent: January 21, 2003
    Assignee: Bracco S.p.A.
    Inventors: Maurizio Franzini, Andrea Beltrami, Luisella Calabi, Alessandro Maiocchi, Mario Virtuani, Pier Lucio Anelli, Kondareddiar Ramalingam, Ramachandran S. Ranganathan
  • CHELATING COMPOUNDS, THEIR COMPLEXES WITH PARAMAGNETIC METALS
    Publication number: 20030013859
    Abstract: Compounds able to chelate bi- and trivalent paramagnetic metal ions, their chelated complexes with said metal ions and the physiologically compatible salts thereof, as well as the use thereof as contrast agents in the technique known as “Magnetic Resonance Imaging” (M.R.I.).
    Type: Application
    Filed: September 24, 2001
    Publication date: January 16, 2003
    Inventors: Maurizio Franzini, Andrea Beltrami, Luisella Calabi, Alessandro Maiocchi, Mario Virtuani, Pier Lucio Anelli, Kondareddiar Ramalingam, Ramachandran S. Ranganathan
  • Benzyloxy derivatives of DTPA for MRI
    Patent number: 6099824
    Abstract: Compounds which can chelate paramagnetic bi- and trivalent metal ions, their chelates with said metal ions and their use as contrast agents in magnetic resonance imaging (MRI), the compounds having formula (I) ##STR1## wherein R is a --(CH.sub.2).sub.m --O--R.sub.2 group or hydrogen,R.sub.2 is a (C.sub.6 -C.sub.10) aryl, or an alkyl(C.sub.1 -C.sub.5)-aryl(C.sub.6 -C.sub.10) group, substituted or not by a group L corresponding to a OH group or a OR.sub.3 group, wherein R.sub.3 is a linear or branched (C.sub.1 -C.sub.5) alkyl group; or L is NH.sub.2, halogen, COOH or CONR.sub.4 R.sub.5 wherein R.sub.4 and R.sub.5 are independently hydrogen, or a linear or branched (C.sub.1 -C.sub.5) alkyl which can be substituted by 1-6 hydroxy groups and/or 1-6 alkoxy groups,R.sub.1 can have the same meanings as R, independently from it, except for hydrogen,Z is independently OH or OR.sub.6, or NR.sub.4 R.sub.5 wherein R.sub.4 and R.sub.5 are as previously defined, and R.sub.6 is a (C.sub.1 -C.sub.
    Type: Grant
    Filed: August 1, 1997
    Date of Patent: August 8, 2000
    Assignee: Dibra S.p.A.
    Inventors: Pier Lucio Anelli, Andrea Beltrami, Fulvio Uggeri, Mario Virtuani
  • Process for the preparation of tetraazamacrocycles
    Patent number: 5922862
    Abstract: A process for the preparation of the compounds of formula (I), and (II) comprising the steps represented in the following Scheme, in which the substituents are as defined in the specification.
    Type: Grant
    Filed: July 23, 1998
    Date of Patent: July 13, 1999
    Assignee: Dibra S.p.A.
    Inventors: Marcella Murru, Emanuela Panetta, Fulvio Uberti, Andrea Beltrami, Giorgio Ripa
  • Paramagnetic chelates for nuclear magnetic resonance diagnosis
    Patent number: 5733528
    Abstract: New compounds endowed with a chelating property for paramagnetic bi- and trivalent metal ions, their chelates with said metal ions and their use as contrast agents in magnetic resonance imaging (MRI) are described. A method of obtaining images of organs and tissues of a human or animal body by means of nuclear magnetic resonance is also described.
    Type: Grant
    Filed: May 30, 1995
    Date of Patent: March 31, 1998
    Assignee: Dibra S.p.A.
    Inventors: Ernst Felder, Pier Lucio Anelli, Mario Virtuani, Andrea Beltrami, Marco Lolli