Patents by Inventor Michel Servais

Michel Servais 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).

  • Stabilized 1,1,1-trichloroethane compositions
    Patent number: 4861926
    Abstract: Stabilized 1,1,1-trichloroethane compositions containing an epoxide compound such as epoxybutane, a nitro compound such as nitromethane, a furan compound such as 2-methylfuran, and methyl acetate. These compositions are suitable for the degreasing of metals and for the dry cleaning of textiles in the presence of an aqueous phase.
    Type: Grant
    Filed: May 31, 1984
    Date of Patent: August 29, 1989
    Assignee: SOLVAY & Cie (Societe Anonyme)
    Inventor: Michel Servais
  • Stabilized compositions of 1,1,1-trichloroethane
    Patent number: 4795837
    Abstract: A stabilized composition of 1,1,1-trichloroethane comprising an epoxide compound, a nitro compound, and a furan compound.
    Type: Grant
    Filed: March 6, 1984
    Date of Patent: January 3, 1989
    Assignee: Solvay & Cie (Societe Anonyme)
    Inventors: Michel Servais, Roger Crochet
  • Stabilized compositions of 1,1,1-trichloroethane
    Patent number: 4783560
    Abstract: Stabilized compositions of 1,1,1-trichloroethane containing a mixture of two dialkoxyalkanes such as dimethoxymethane and 1,2-dimethoxyethane and at least one acid acceptor such as epoxybutane, and, if appropriate, a nitrated derivative such as nitromethane.These compositions are well suited for degreasing metals and in the drycleaning of textiles.
    Type: Grant
    Filed: July 24, 1986
    Date of Patent: November 8, 1988
    Assignee: Solvay & Cie (Societe Anonyme)
    Inventors: Michel Servais, Jean Verbeyst
  • Stabilized compositions of chlorinated solvents
    Patent number: 4392000
    Abstract: The invention relates to compositions of chlorinated solvents such as 1,1,1-trichloroethane, stabilized by means of a heterocyclic compound containing oxaziridine units, such as 2-tert.-butyloxaziridine.
    Type: Grant
    Filed: October 19, 1981
    Date of Patent: July 5, 1983
    Assignee: Solvay & Cie.
    Inventors: Andre' Ryckaert, Michel Servais