Patents by Inventor Francois Picart

Francois Picart 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: 4680411
    Abstract: The present invention relates as new industrial product to a derivative of pyrano-indole chosen from the group constituted by:(i) the pyrano[2,3-g]indoles of general formula: ##STR1## in which: X represents a group ##STR2## (where R is a lower alkyl group, OH, lower alkoxy, tosyloxy, NH.sub.2) or ##STR3## (where R' and R", which are identical or different, each represent H or a lower alkyl);R.sub.1 represents an atom of hydrogen, a lower alkyl group, or COY.sub.1(where Y.sub.1 is a lower alkyl group, an amino acid group CH.sub.2 CH(COOH) NH.sub.2 or an aminoalkylene group -(CH.sub.2).sub.n -NR'R" in which is a whole number between 1 and 4 and R' and R" are defined as hereinabove);R.sub.2 represents an atom of hydrogen, or a COY.sub.2 group (where Y.sub.2 is OH or lower alkoxy;R.sub.3 represents an atom of hydrogen, an atom of halogen, a CHO group, lower alkyl, CF.sub.3, (CH.sub.2).sub.n NR'R" or CO-CONR'R"(where n, R' and R" are defined as hereinabove), andR.sub.
    Type: Grant
    Filed: March 12, 1984
    Date of Patent: July 14, 1987
    Assignee: Societe de Recherches Industrielles
    Inventor: Francois Picart
  • Patent number: 4436915
    Abstract: The present invention relates as new industrial product to a derivative of pyrano-indole chosen from the group constituted by:(i) the pyrano[2,3-g]indoles of general formula: ##STR1## in which: X represents a group ##STR2## (where R is a lower alkyl group, OH, lower alkoxy, tosyloxy, NH.sub.2) or >CH--NR'R" (where R' and R", which are identical or different, each represent H or a lower alkyl);R.sub.1 represents an atom of hydrogen, a lower alkyl group, or COY.sub.1 (where Y.sub.1 is a lower alkyl group, an amino acid group CH.sub.2 CH(COOH) NH.sub.2 or an aminoalkylene group --(CH.sub.2).sub.n --NR'R" in which n is a whole number between 1 and 4 and R' and R" are defined as hereinabove);R.sub.2 represents an atom of hydrogen, or a COY.sub.2 group (where Y.sub.2 is OH or lower alkoxy;R.sub.3 represents an atom of hydrogen, an atom of halogen, a CHO group, lower alkyl, CF.sub.3, (CH.sub.2).sub.n NR'R" or CO--CONR'R" (where n, R' and R" are defined as hereinabove, andR.sub.
    Type: Grant
    Filed: June 23, 1981
    Date of Patent: March 13, 1984
    Assignee: Societe de Recherches Industrielles
    Inventor: Francois Picart
  • Patent number: 4432973
    Abstract: The present invention relates to the benzoyl- and .alpha.-hydroxybenzyl-phenyl-oside derivatives of general formula: ##STR1## [in which Z is CO or CHOH, X.sub.1, X.sub.2, X.sub.3, X.sub.4 and X.sub.5, which are identical or different, each represent an atom of hydrogen, an atom of halogen, an alkyl group with 1 to 4 carbon atoms, an alkyl group with 1 to 4 carbon atoms substituted by one or more atoms of halogen, an OH group, an alkoxy group with 1 to 4 carbon atoms, an alkoxy group with 1 to 4 carbon atoms, substituted by one or more atoms of halogen, a nitro group, a cyano group, a thiocyano group, an isothiocyano group, a NR'R" group (where R' and R", identical or different, each represent an atom of hydrogen or an alkyl group with 1 to 4 carbon atoms) X.sub.1 being able, in addition, to represent an --NH--CS--O--CH.sub.3 group or an --O--C(CH.sub.3).sub.2 CO.sub.
    Type: Grant
    Filed: October 22, 1981
    Date of Patent: February 21, 1984
    Assignee: Societe de Recherches Industrielles (S.O.R.I.)
    Inventor: Francois Picart
  • Patent number: 4421927
    Abstract: The present invention relates to a new cinnamoyl-cinnamic acid derivative selected from the group constituted by:(i) the m-cinnamoyl-cinnamic acid derivatives of formula ##STR1## in which: X.sub.o,X.sub.1,X.sub.2,X.sub.3,X.sub.4, which are identical or different, each represent an atom of hydrogen, a halogen, a lower alkyl group, a lower alkoxy group, the group NRR' (where R and R' identical or different, each represent an atom of hydrogen or a lower alkyl group), the group NO.sub.2, CF.sub.3 or OH;R.sub.1 represents an atom of hydrogen or a lower alkyl group;R.sub.2 represents an atom of hydrogen or the methyl group;Y represents a group OH, OR.sub.3 (where R.sub.3 is a lower alkyl group), NRR' (where R and R' are defined as hereinabove) or the group O(CH.sub.2).sub.n NR.sub.4 R.sub.5 (where n is an integer of value 1 to 5--and preferably 2 or 3)--; and R.sub.4 and R.sub.
    Type: Grant
    Filed: October 22, 1981
    Date of Patent: December 20, 1983
    Assignee: Societe de Recherches Industrielles (S.O.R.I.)
    Inventor: Francois Picart