Patents by Inventor Isabelle Marseigne

Isabelle Marseigne 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).

  • Amino acids and peptides having a modified tyrosine residue, their preparation and their application as medicaments
    Patent number: 5190921
    Abstract: These compounds are represented by formula (I), in which each of R.sub.1 R.sub.2 =H, C.sub.1 -C.sub.8 alkyl, C.sub.3 -C.sub.7 cycloalkyl, or aromatic; (when R.sub.1 =H, R.sub.2 can be an amine function-protecting radical, amino acid residue or peptide fragment; R.sub.1 and R.sub.2 being capable of forming, with N, a 5-7 component ring); A=carbonyl or methylene; W=hydroxy, phenoxy, C.sub.1 -C.sub.8 alkoxy; phenoxy(C.sub.1 -C.sub.8 alkyl), amino, (C.sub.1 -C.sub.8 alkyl)amino, di(C.sub.1 -C.sub.8 alkyl)amino, (when A=carbonyl, W=amino acid residue or peptide fragment); Y=--OSO.sub.2 OR.sub.3 (II), --OPO(OR.sub.3).sub.2 (III), --(CH.sub.2 (.sub.m --SO.sub.2 OR.sub.3 (IV) or --(CH.sub.2).sub.m --PO(OR.sub.3).sub.2 (V) [R.sub.3 =H, C.sub.1 -C.sub.8 alkyl; m=1 to 4]; Z=cyclohexane, pyridyl or phenyl; n=0 to 4; on the condition that when Y=(II) or (III), -A-W is other than a sequence composed of natural amino acids.
    Type: Grant
    Filed: January 24, 1992
    Date of Patent: March 2, 1993
    Assignee: Institut National de la Sante et de la Recherche Medicale (INSERM)
    Inventors: Bernard P. Roques, Isabelle Marseigne, Bruno Charpentier