Patents by Inventor Maria Danuta Skowronska-Ptasinska

Maria Danuta Skowronska-Ptasinska 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).

  • Oligomeric silasesquioxanes and a process for preparing oligomeric silasesquioxanes
    Publication number: 20030096934
    Abstract: Oligomeric silasesquioxanes having the formula R6Si6O9 wherein R is alkyl, cycloalkyl other than cyclohexyl, alkenyl, cycloalkenyl, alkynyl, cycloalkynyl, aryl, and/or heteroaryl, and the structure I; processes for preparing oligomeric silasesquioxanes of formula R6Si6O9 wherein R is alkyl, cycloalkyl, alkenyl, cycloalkenyl, alkynyl, cycloalkynyl, aryl, and/or heteroaryl; processes of using such oligomeric silasesquioxanes; and products obtained thereby.
    Type: Application
    Filed: August 2, 2002
    Publication date: May 22, 2003
    Applicant: CREAVIS GESELLSCHAFT F. TECHN. U. INNOVATION MBH
    Inventors: Carsten Jost, Hendrikus Cornelis Louis Abbenhuis, Rutger Anthoney Van Santen, Maria Danuta Skowronska-Ptasinska, Adolf Kuehnle, Mark Duda
  • Catalyst system based on polymer compounds comprising silasesquioxane-metal complexes
    Publication number: 20020137625
    Abstract: Catalyst systems based on a polymer compound having a molecular weight Mn of greater than 1000 g/mol, and comprising at least one silasesquioxane-metal complex, especially useful for the oxidation and oximation of organic compounds using peroxides; processes for preparation of such catalytic systems; and processes for use of such catalytic systems.
    Type: Application
    Filed: December 7, 2001
    Publication date: September 26, 2002
    Applicant: CREAVIS GESELLSCHAFT F. TECHN. U. INNOVATION MBH
    Inventors: Carsten Jost, Hendrikus Cornelius Louis Abbenhuis, Rutger Anthony Van Santen, Maria Danuta Skowronska-Ptasinska, Adolph Kuehnle