Patents by Inventor Francis E. Schweitzer

Francis E. Schweitzer 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).

  • Pigment grind with fumed silica
    Patent number: 4405729
    Abstract: In the formulation of high solids pigmented film-forming coating compositions comprising low molecular weight polyester oligomers, co-dispersing fumed silica with the pigment mill base, then incorporating this co-dispersion into the composition yields enhanced color stability for the coating composition.
    Type: Grant
    Filed: June 17, 1982
    Date of Patent: September 20, 1983
    Assignee: E. I. Du Pont de Nemours and Company
    Inventor: Francis E. Schweitzer
  • Alkylated isoadipoguanamine-formaldehyde crosslinking resin and improved coating compositions produced therefrom
    Patent number: 4370427
    Abstract: A thermosetting synthetic crosslinking resin containing selected ethers of the reaction product of an isoadipoguanamine mixture and formaldehyde can be incorporated into a variety of coating compositions to provide finishes that are characterized by hardness, flexibility, durability, excellent adhesion, and commercially-acceptable cure temperatures.
    Type: Grant
    Filed: October 29, 1981
    Date of Patent: January 25, 1983
    Assignee: E. I. Du Pont de Nemours and Company
    Inventor: Francis E. Schweitzer
  • Alkylated isoadipoguanamine-formaldehyde crosslinking resin and improved coating compositions produced therefrom
    Patent number: 4365053
    Abstract: A thermosetting synthetic crosslinking resin containing selected ethers of the reaction product of an isoadipoguanamine mixture and formaldehyde can be incorporated into a variety of coating compositions to provide finishes that are characterized by hardness, flexibility, durability, excellent adhesion, and commercially-acceptable cure temperatures.
    Type: Grant
    Filed: August 8, 1980
    Date of Patent: December 21, 1982
    Assignee: E. I. Du Pont de Nemours and Company
    Inventor: Francis E. Schweitzer
  • Alkylated isoadipoguanamine-formaldehyde crosslinking resin and improved coating compositions produced therefrom
    Patent number: 4359500
    Abstract: A thermosetting synthetic crosslinking resin containing selected ethers of the reaction product of an isoadipoguanamine mixture and formaldehyde can be incorporated into a variety of coating compositions to provide finishes that are characterized by hardness, flexibility, durability, excellent adhesion, and commercially-acceptable cure temperatures.
    Type: Grant
    Filed: October 29, 1981
    Date of Patent: November 16, 1982
    Assignee: E. I. Du Pont de Nemours and Company
    Inventor: Francis E. Schweitzer