Patents by Inventor Marc A. Alvarez

Marc A. Alvarez 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).

  • Synthesis of 2H- and 13C- substituted compounds
    Patent number: 6730805
    Abstract: The present invention is directed to labeled compounds, [2-13C]dithane wherein the 13C atom is directly bonded to one or two deuterium atoms. The present invention is also directed to processes of preparing [2-13C]dithane wherein the 13C atom is directly bonded to one or two deuterium atoms. The present invention is also directed to labeled compounds, e.g., [2H1-2, 13C]methanol (arylthio)-, acetates wherein the 13C atom is directly bonded to exactly one or two deuterium atoms.
    Type: Grant
    Filed: April 1, 2003
    Date of Patent: May 4, 2004
    Assignee: The Regents of the University of California
    Inventors: Rodolfo A. Martinez, Marc A. Alvarez, Louis A. Silks, III, Clifford J. Unkefer
  • Synthesis of [2H1, 13C], [2H2, 13C] and [2H3, 13C]methyl aryl sulfides
    Patent number: 6713044
    Abstract: The present invention is directed to labeled compounds, [2H1, 13C], [2H2, 13C] and [2H3, 13C]methyl aryl sulfides wherein the 13C methyl group attached to the sulfur of the sulfide includes exactly one, two or three deuterium atoms and the aryl group is selected from the group consisting of 1-naphthyl, substituted 1-naphthyl, 2-naphthyl, substituted 2-naphthyl, and phenyl groups with the structure wherein R1, R2, R3, R4, and R5 are each independently, hydrogen, a C1-C4 lower alkyl, a halogen, an amino group from the group consisting of NH2, NHR and NRR′ where R and R′ are each a C1-C4 lower alkyl, a phenyl, or an alkoxy group. The present invention is also directed to processes of preparing [2H1, 13C], [2H2,13C] and [2H3, 13C]methyl aryl sulfides wherein the 13C methyl group attached to the sulfur of the sulfide includes exactly one, two or three deuterium atoms.
    Type: Grant
    Filed: January 14, 2003
    Date of Patent: March 30, 2004
    Assignee: The Regents of the University of California
    Inventors: Rodolfo A. Martinez, Marc A. Alvarez, Louis A. Silks, III, Clifford J. Unkefer
  • Synthesis of 2H- and 13C- substituted dithanes
    Publication number: 20030204108
    Abstract: The present invention is directed to labeled compounds, [2-13C]dithane wherein the 13C atom is directly bonded to one or two deuterium atoms. The present invention is also directed to processes of preparing [2-13C]dithane wherein the 13C atom is directly bonded to one or two deuterium atoms. The present invention is also directed to labeled compounds, e.g., [2H1-2, 13C]methanol (arylthio)-, acetates wherein the 13C atom is directly bonded to exactly one or two deuterium atoms.
    Type: Application
    Filed: April 1, 2003
    Publication date: October 30, 2003
    Inventors: Rodolfo A. Martinez, Marc A. Alvarez, Louis A. Silks, Clifford J. Unkefer
  • Synthesis of [2H1, 13C], [2H2, 13C] and [2H3, 13C]methyl aryl sulfones and sulfoxides
    Publication number: 20030158445
    Abstract: The present invention is directed to labeled compounds, [2H1, 13C], [2H2, 13C] and [2H3, 13C]methyl aryl sulfones and [2H1, 13C], [2H2, 13C] and [2H3, 13C]methyl aryl sulfoxides, wherein the 13C methyl group attached to the sulfur of the sulfone or sulfoxide includes exactly one, two or three deuterium atoms and the aryl group is selected from the group consisting of 1-naphthyl, substituted 1-naphthyl, 2-naphthyl, substituted 2-naphthyl, and phenyl groups with the structure 1
    Type: Application
    Filed: January 14, 2003
    Publication date: August 21, 2003
    Inventors: Rodolfo A. Martinez, Marc A. Alvarez, Louis A. Silks, Clifford J. Unkefer, Jurgen G. Schmidt
  • Synthesis of [2H1, 13C], [2H2, 13C] and [2H3, 13C]methyl aryl sulfides
    Publication number: 20030153789
    Abstract: The present invention is directed to labeled compounds, [2H1, 13C], [2H2, 13C] and [2H3, 13C]methyl aryl sulfides wherein the 13C methyl group attached to the sulfur of the sulfide includes exactly one, two or three deuterium atoms and the aryl group is selected from the group consisting of 1-naphthyl, substituted 1-naphthyl, 2-naphthyl, substituted 2-naphthyl, and phenyl groups with the structure 1
    Type: Application
    Filed: January 14, 2003
    Publication date: August 14, 2003
    Inventors: Rodolfo A. Martinez, Marc A. Alvarez, Louis A. Silks, Clifford J. Unkefer
  • Synthesis of 2H- and 13C-substituted dithanes
    Patent number: 6541671
    Abstract: The present invention is directed to labeled compounds, [2-13C]dithiane wherein the 13C atom is directly bonded to one or two deuterium atoms. The present invention is also directed to processes of preparing [2-13C]dithiane wherein the 13C atom is directly bonded to one or two deuterium atoms. The present invention is also directed to labeled compounds, e.g., [2H1−2, 13C]methanol (arylthio)-, acetates wherein the 13C atom is directly bonded to exactly one or two deuterium atoms.
    Type: Grant
    Filed: February 13, 2002
    Date of Patent: April 1, 2003
    Assignee: The Regents of the University of California
    Inventors: Rodolfo A. Martinez, Marc A. Alvarez, Louis A. Silks, III, Clifford J. Unkefer
  • Triple-material fin with composite blade
    Patent number: 5542865
    Abstract: The present invention relates to a swimming fin comprising a shoe (1) prolonged by a blade, the blade of which is constituted by the assembly of at least one flexible blade element (2) and at least one stiffening blade element (3) which are arranged edge to edge and are rendered integral by the overmolding of an appropriate bonding material (4) over the adjacent edges. The present invention also relates to a method of manufacturing composite fins.
    Type: Grant
    Filed: May 18, 1994
    Date of Patent: August 6, 1996
    Assignee: Alba Conseil
    Inventor: Marc Alvarez De Toledo