Patents Examined by Paul Liederman
  • Compositions derived from BI4V2011
    Patent number: 5227257
    Abstract: The compositions are derived from Bi.sub.4 V.sub.2 O.sub.11 and are characterized by the fact that at least one of the elements present is substituted, the substituting element(s) being such that the structural nature of the gamma phase of Bi.sub.4 V.sub.2 O.sub.11 is maintained, as well as the equilibrium of the loads.
    Type: Grant
    Filed: March 16, 1992
    Date of Patent: July 13, 1993
    Assignee: Universite des Sciences et Techniques de Lille Flandres Artois Ecole Nationale Superieure de Chimie de Lille Institut National Polytechnique de Grenoble
    Inventors: Francis Abraham, Jean-Claude Boivin, Gaetan Mairesse, Guy Nowogrocki, Michel Kleitz, Jacques Fouletier
  • Non-aqueous liquid detergent compositions containing di-sulphonic acids as deflocculants
    Patent number: 4950424
    Abstract: A substantially non-aqueous liquid cleaning product comprising solid particles dispersed in a liquid solvent phase and a deflocculant which comprises a di-sulphonic acid or a salt thereof.
    Type: Grant
    Filed: April 13, 1989
    Date of Patent: August 21, 1990
    Assignee: Lever Brothers Company
    Inventors: Philippus C. van der Hoeven, Nicolaas C. Laane, Peter Versluis, Adrianus Visser