Patents by Inventor Calin Dan Sferdean

Calin Dan Sferdean 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).

  • 5,6-dimethoxy-1,1-dioxobenzo[b]thiophene-2-methyloxycarbonyl (DM-Bsmoc) and related amino-protecting groups
    Patent number: 9975870
    Abstract: Amino acid protecting groups are provided for use in peptide synthesis. Particular compounds disclosed include 5,6-dimethoxy-1,1-dioxobenzo[b]thiophi methyloxycarbonyl (DM-Bsmoc) and related amino-protecting groups.
    Type: Grant
    Filed: July 16, 2014
    Date of Patent: May 22, 2018
    Assignee: MASSACHUSETTS, UNIVERSITY OF
    Inventors: Louis A. Carpino, Adel A. Abdel-Maksoud, Hesham A. Ahmed, Calin Dan Sferdean
  • THE 5,6-DIMETHOXY-1,1-DIOXOBENZO[B]THIOPHENE-2-METHYLOXYCARBONYL (DM-BSMOC) AND RELATED AMINO-PROTECTING GROUPS
    Publication number: 20160152591
    Abstract: Amino acid protecting groups are provided for use in peptide synthesis. Particular compounds disclosed include 5,6-dimethoxy-1,1-dioxobenzo[b]thiophi methyloxycarbonyl (DM-Bsmoc) and related amino-protecting groups.
    Type: Application
    Filed: July 16, 2014
    Publication date: June 2, 2016
    Inventors: Louis A. Carpino, Adel A. Abdel-Maksoud, Hesham A. Ahmed, Calin Dan Sferdean
  • Coupling agents for peptide synthesis
    Patent number: 8471006
    Abstract: The present invention is directed to compounds of the formula: or salts thereof or N-oxides and their use in peptide synthesis.
    Type: Grant
    Filed: July 9, 2012
    Date of Patent: June 25, 2013
    Assignee: University of Massachusetts
    Inventors: Louis A. Carpino, Jusong Xia, Chongwu Zhang, Calin Dan Sferdean
  • NEW COUPLING AGENTS FOR PEPTIDE SYNTHESIS
    Publication number: 20120277428
    Abstract: The present invention is directed to compounds of the formula: or salts thereof or N-oxides and their use in peptide synthesis.
    Type: Application
    Filed: July 9, 2012
    Publication date: November 1, 2012
    Inventors: Louis A. Carpino, Jusong Xia, Chongwu Zhang, Calin Dan Sferdean
  • Coupling agents for peptide synthesis
    Patent number: 8217169
    Abstract: The present invention is directed to compounds of the formula: or salts thereof or N-oxides and their use in peptide synthesis.
    Type: Grant
    Filed: October 11, 2010
    Date of Patent: July 10, 2012
    Assignee: University of Massachusetts
    Inventors: Louis A. Carpino, Jusong Xia, Chongwu Zhang, Calin Dan Sferdean
  • New Coupling Agents for Peptide Synthesis
    Publication number: 20110028720
    Abstract: The present invention is directed to compounds of the formula: or salts thereof or N-oxides and their use in peptide synthesis.
    Type: Application
    Filed: October 11, 2010
    Publication date: February 3, 2011
    Inventors: Louis A. Carpino, Jusong Xia, Chongwu Zhang, Calin Dan Sferdean
  • Coupling agents for peptide synthesis
    Patent number: 7812158
    Abstract: The present invention is directed to compounds of the formula (I) and (II) or salts thereof or N-oxides and their use in peptide synthesis.
    Type: Grant
    Filed: November 1, 2004
    Date of Patent: October 12, 2010
    Assignee: University of Massachusetts
    Inventors: Louis A. Carpino, Jusong Xia, Chongwu Zhang, Calin Dan Sferdean