Patents by Inventor Frank Becu

Frank Becu 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: 7767073
    Abstract: Use of an organic compound salt of general formula A-XY??(I) wherein A means an organic residue, X means a charged group and Y means a counter-ion, as a reagent in an electrochemical reaction and organic compound salt corresponding to the formula R1R2ZC-T-Q-XY wherein X is a charged group, Y is a counter-ion, Z is a group capable of being substituted, R1 and R2 mean organic residues, T means a group containing a hetero atom selected among N-R4, O and S, and Q means a connecting group linking the hetero atom and the charged group.
    Type: Grant
    Filed: September 10, 2003
    Date of Patent: August 3, 2010
    Assignee: Solvay S.A.
    Inventors: Roland Callens, Frank Becu, Frans Borremans, Franky Fant
  • Patent number: 7528228
    Abstract: Method for preparing a peptide or a peptide derivative comprising at least 2 enantiopure amino acids and at least one glycine molecule, comprising the reaction of a compound of general formula XCH2—C(?O)—HN-A-COOY (II) with a compound of general formula HNR1R2 (III).
    Type: Grant
    Filed: October 2, 2003
    Date of Patent: May 5, 2009
    Assignee: Solvay S.A.
    Inventors: Roland Callens, Frank Becu, Frans Borremans
  • Patent number: 7030214
    Abstract: Ureins are obtained by reaction, in basic medium, between an N?-(aryloxycarbonyl)diamino acid and a compound containing a free amino group. The chirality of the compounds is outstandingly well preserved.
    Type: Grant
    Filed: September 4, 2001
    Date of Patent: April 18, 2006
    Assignee: Solvay (Societe Anonyme)
    Inventors: Roland Callens, Georges Blondeel, Marc Anteunis, Frank Becu
  • Publication number: 20060049061
    Abstract: Use of an organic compound salt of general formula A-XY ??(I) wherein A means an organic residue, X means a charged group and Y means a counter-ion, as a reagent in an electrochemical reaction and organic compound salt corresponding to the formula R1R2ZC-T-Q-XY wherein X is a charged group, Y is a counter-ion, Z is a group capable of being substituted, R1 and R2 mean organic residues, T means a group containing a hetero atom selected among N-R4, O and S, and Q means a connecting group linking the hetero atom and the charged group.
    Type: Application
    Filed: September 10, 2003
    Publication date: March 9, 2006
    Inventors: Roland Callens, Frank Becu, Frans Borremans, Franky Fant
  • Publication number: 20040077830
    Abstract: Method for preparing a peptide or a peptide derivative comprising at least 2 enantiopure amino acids and at least one glycine molecule, comprising the reaction of a compound of general formula XCH2—C(═O)—HN—A—COOY (II) with a compound of general formula HNR1R2 (III).
    Type: Application
    Filed: October 2, 2003
    Publication date: April 22, 2004
    Inventors: Roland Callens, Frank Becu, Frans Borremans
  • Publication number: 20020058784
    Abstract: Ureins are obtained by reaction, in basic medium, between an N&ohgr;-(aryloxycarbonyl)diamino acid and a compound containing a free amino group. The chirality of the compounds is outstandingly well preserved.
    Type: Application
    Filed: September 4, 2001
    Publication date: May 16, 2002
    Inventors: Roland Callens, Georges Blondeel, Marc Anteunis, Frank Becu
  • Patent number: 6310178
    Abstract: Ureins are obtained by reaction, in basic medium, between an N&ohgr;-(aryloxycarbonyl)diamino acid and a compound containing a free amino group. The chirality of the compounds is outstandingly well preserved.
    Type: Grant
    Filed: February 11, 2000
    Date of Patent: October 30, 2001
    Assignee: Solvay, S.A.
    Inventors: Roland Callens, Georges Blondeel, Marc Anteunis, Frank Becu
  • Patent number: 6060586
    Abstract: Ureins are obtained by reaction, in basic medium, between an N.sup..omega. -(aryloxycarbonyl)diamino acid and a compound containing a free amino group. The chirality of the compounds is outstandingly well preserved.
    Type: Grant
    Filed: June 17, 1997
    Date of Patent: May 9, 2000
    Assignee: Solvay (Societe Anonyme)
    Inventors: Roland Callens, Georges Blondeel, Marc Anteunis, Frank Becu
  • Patent number: 5965770
    Abstract: Compounds having the general formula: ##STR1## in which R3 represents an aryl group which is unsubstituted or substituted by one or more alkyl groups containing 1 to 4 carbon atoms; R4 represents a hydrogen atom, a group for protecting the amino functional group, an amino acid or a peptide some of whose functional groups are optionally substituted by a protecting group or by an activating group; R5 represents a hydroxy group, a halogen atom, a group for protecting the carboxyl functional group, an activating group, an amino group, an amino acid or a peptide some of whose functional groups are optionally substituted by a protecting group or by an activating group; and n is an integer from 1 to 10.
    Type: Grant
    Filed: October 31, 1997
    Date of Patent: October 12, 1999
    Assignee: Solvay
    Inventors: Marc Anteunis, Frank Becu, Roland Callens, Georges Blondeel
  • Patent number: 5770692
    Abstract: Method of synthesising peptides containing one or more amino acid residues bearing an N-carbamoyl functional group, by aminolysis of N-aryloxycarbonyl derivatives, which are excellent synthesis intermediates for the preparation of various peptides containing amino acid residues bearing a ureino group, such as citrulline, homocitrulline, 2-amino-4-ureidobutyric residues.
    Type: Grant
    Filed: June 22, 1994
    Date of Patent: June 23, 1998
    Inventors: Marc Anteunis, Frank Becu, Roland Callens, Georges Blondeel