Patents by Inventor Robert Putteman

Robert Putteman 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).

  • Hydrofluorocarbon-containing compositions and method for removing water from a solid surface
    Patent number: 5948174
    Abstract: Compositions comprising a C.sub.3 -C.sub.10 hydrofluorocarbon, a cosolvent and a surface-active agent comprising at least one imidazoline, which can be used for removing water from a solid surface.
    Type: Grant
    Filed: December 29, 1997
    Date of Patent: September 7, 1999
    Assignee: SOLVAY (Societe Anonyme)
    Inventors: Pierre Barthelemy, Mireille Paulus, Robert Putteman
  • Method for fixing a toner in a copier and compositions used in this method
    Patent number: 5714298
    Abstract: In order to fix a toner to a recording substrate in a document printer or copier, the recording substrate on which the toner is deposited is brought into contact with a chemical fixing agent in the gaseous state containing a C.sub.3 -C.sub.6 hydrofluorocarbon and, preferably, a cosolvent.
    Type: Grant
    Filed: December 26, 1996
    Date of Patent: February 3, 1998
    Assignee: Solvay (Societe Anonyme)
    Inventors: Pierre Barthelemy, Robert Putteman
  • Compositions comprising 1,1-dichloro-1-fluoroethane and process for the removal of water from a solid surface
    Patent number: 5578138
    Abstract: Compositions based on 1,1-dichloro-1-fluoroethane and a surfactant comprising at least one imidazoline, which are usable for removing water from a solid surface.
    Type: Grant
    Filed: May 10, 1995
    Date of Patent: November 26, 1996
    Assignee: Solvay (Societe Anonyme)
    Inventors: Mireille Paulus, Robert Putteman, Pierre Barthelemy
  • Compositions comprising pentafluorobutane and trans-1,2-dichloroethylene and use of these compositions
    Patent number: 5478492
    Abstract: The invention relates to compositions comprising 1,1,1,3,3-pentafluorobutane, 1,2-dichloroethylene and optionally a C1-C3 alkanol. These compositions can be used especially as solvents for cleaning and defluxing electronic components and for degreasing metals.
    Type: Grant
    Filed: November 4, 1994
    Date of Patent: December 26, 1995
    Assignee: Solvay (Societe Anonyme)
    Inventors: Pierre Barthelemy, Mireille Paulus, Robert Putteman