Patents by Inventor Chantal Schmit

Chantal Schmit 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: 5670489
    Abstract: A dinucleotide analogue of formula ##STR1## where B.sup.1 and B.sup.2 are each independently a monovalent nucleoside base radical;R.sup.1 is R.sup.1.sub.a or Z;R.sup.1.sub.a, R.sup.2, R.sup.3 and R.sup.4 are each independently hydrogen, halogen or hydroxy;R.sup.5 is R.sup.5.sub.a or Z;R.sup.6 is hydrogen or R.sup.6.sub.a ;R.sup.7 is hydrogen, alkyl-N,N-dialkylphosphoramidyl or R.sup.7.sub.a, R.sup.8 is R.sup.8.sub.a or Z, or the indicated R.sup.7 O and R.sup.8 together denote an isopropylidenedioxy group;R.sup.5.sub.a and R.sup.8.sub.a are each independently hydrogen, halogen, hydroxy, --OR.sup.10, --OCOR.sup.10 or silyloxy substituted by three C.sub.1 -C.sub.5 hydrocarbyl groups;R.sup.6.sub.a and R.sup.7.sub.a are each independently a C.sub.1 -C.sub.10 aliphatic radical, a C.sub.6 -C.sub.15 aromatic radical, a C.sub.7 -C.sub.30 araliphatic radical, --COR.sup.11, --SO.sub.2 R.sup.11 or silyl substituted by three C.sub.1 -C.sub.15 hydrocarbyl groups;R.sup.9 is hydrogen, a C.sub.1 -C.sub.
    Type: Grant
    Filed: June 2, 1995
    Date of Patent: September 23, 1997
    Assignee: Novartis Corporation
    Inventors: Anthony David Baxter, Eric Keith Baylis, Stephen Paul Collingwood, Roger John Taylor, Alain De Mesmaeker, Chantal Schmit
  • Patent number: 5508270
    Abstract: A compound of formula ##STR1## where R.sup.1 is hydrogen or a protecting group Q;R.sup.2 is hydrogen, a C.sub.1 -C.sub.8 aliphatic radical, a C.sub.6 -C.sub.15 aromatic radical, a C.sub.3 -C.sub.8 cycloaliphatic radical, a C.sub.7 -C.sub.13 araliphatic radical, an alkali metal ion or an ammonium ion;R.sup.3 and R.sup.4 are independently hydrogen, halogen or hydroxy;R.sup.5 is C.sub.6 -C.sub.10 aryloxythiocarbonyloxy, the C.sub.6 -C.sub.10 aryl group being unsubstituted or substituted, or R.sup.5.sub.a ;R.sup.5.sub.a is hydrogen, fluorine, chlorine, hydroxy, --OR.sup.8, --OCOR.sup.8 or silyloxy substituted by three C.sub.1 -C.sub.15 hydrocarbyl groups;R.sup.6 is hydrogen, a C.sub.1 -C.sub.10 aliphatic radical, a C.sub.6 -C.sub.15 aromatic radical, a C.sub.7 -C.sub.16 araliphatic radical, --COR.sup.9, --SO.sub.2 R.sup.9 or silyl substituted by three C.sub.1 -C.sub.15 hydrocarbyl groups;R.sup.7 is a monovalent nucleoside base radical, hydroxyl, --OR.sup.8 or --OCOR.sup.8, andR.sup.9 are independently a C.sub.
    Type: Grant
    Filed: February 28, 1994
    Date of Patent: April 16, 1996
    Assignee: Ciba-Geigy Corporation
    Inventors: Anthony D. Baxter, Eric K. Baylis, Stephen P. Collingwood, Roger J. Taylor, Alain Mesmaeker, Chantal Schmit
  • Patent number: 5466677
    Abstract: A dinucleotide analogue of formula ##STR1## where B.sup.1 and B.sup.2 are each independently a monovalent nucleoside base radical;R.sup.1 is R.sup.1.sub.a or Z;R.sup.1.sub.a, R.sup.2, R.sup.3 and R.sup.4 are each independently hydrogen, halogen or hydroxy;R.sup.5 is R.sup.5.sub.a or Z;R.sup.6 is hydrogen or R.sup.6.sub.a ;R.sup.7 is hydrogen, alkyl-N,N-dialkylphosphoramidyl or R.sup.7.sub.a, R.sup.8 is R.sup.8.sub.a or Z, or the indicated R.sup.7 O and R.sup.8 together denote an isopropylidenedioxy group;R.sup.5.sub.a and R.sup.8.sub.a are each independently hydrogen, halogen, hydroxy, --OR.sup.10, --OCOR.sup.10 or silyloxy substituted by three C.sub.1 -C.sub.15 hydrocarbyl groups;R.sup.6.sub.a and R.sup.7.sub.a are each independently a C.sub.1 -C.sub.10 aliphatic radical, a C.sub.6 -C.sub.15 aromatic radical, a C.sub.7 -C.sub.30 araliphatic radical, --COR.sup.11, --SO.sub.2 R.sup.11 or silyl substituted by three C.sub.1 -C.sub.15 hydrocarbyl groups;R.sup.9 is hydrogen, a C.sub.1 -C.sub.
    Type: Grant
    Filed: February 28, 1994
    Date of Patent: November 14, 1995
    Assignee: Ciba-Geigy Corporation
    Inventors: Anthony D. Baxter, Eric K. Baylis, Stephen P. Collingwood, Roger J. Taylor, Alain De Mesmaeker, Chantal Schmit