Patents by Inventor Dominique M. Nachtergaele

Dominique M. Nachtergaele 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).

  • Catalyst composition
    Patent number: 5278120
    Abstract: 1. A catalyst system comprising1) an alkali metal or tetralkylammonium carboxylate having the formula ##STR1## and 2) a strontium, barium or zinc carboxylate having the formula ##STR2## wherein M represents an alkali metal or tetralkylammonium, Q represents strontium, barium or zinc and R.sub.1, R.sub.2 and R.sub.3 are the same or different and represent H or lower alkyl, cycloalkyl, phenyl or alkylphenyl and wherein the molar ratio of the alkali metal or tetralkylammonium carboxylate to the strontium, barium or zinc carboxylate is 1:1.1-10. The catalyst system is in particular useful for preparing molded objects according to the SRIM process.
    Type: Grant
    Filed: September 9, 1991
    Date of Patent: January 11, 1994
    Assignee: Imperial Chemical Industries PLC
    Inventors: Berend Eling, Dominique M. Nachtergaele