Patents by Inventor Alex R. A. Valcke

Alex R. A. Valcke 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).

  • Wood preservative oxathiazines
    Patent number: 6372297
    Abstract: The present invention provides certain 3-aryl-5,6-dihydro-1,4,2-oxathiazines and their oxides, useful for the long-term preservation of wood and composite wood materials against wood damaging and wood destroying materials. The present invention also provides compositions containing these 3-aryl-5,6-dihydro-1,4,2-oxathiazines and their oxides, and a suitable vehicle therefor. A method of preserving wood is also disclosed in which a fungicidally or bactericidally effective amount of the present 3-aryl-5,6-dihydro-1,4,2-oxathiazines and their oxides, are applied to the wood substrate to be protected.
    Type: Grant
    Filed: November 12, 1997
    Date of Patent: April 16, 2002
    Assignees: Uniroyal Chemical Company, Inc., Crompton Co./Cie
    Inventors: Robert Allan Davis, Alex R. A. Valcke, Walter Gerhard Brouwer
  • Wood preservative oxathiazines
    Patent number: 5777110
    Abstract: The present invention provides certain 3-aryl-5,6-dihydro-1,4,2-ocathiazines and their oxides, useful for the long-term preservation of wood and composite wood materials against wood damaging and wood destroying materials. The present invention also provides compositions containing these 3-aryl-5,6-dihydro-1,4,2-oxathiazines and their oxides, and a suitable vehicle therefor. A method of preserving wood is also disclosed in which a fungicidally or bactericidally effective amount of the present 3-aryl-5,6-dihydro-1,4,2-oxathiazines and their oxides, are applied to the wood substrate to be protected.
    Type: Grant
    Filed: August 24, 1994
    Date of Patent: July 7, 1998
    Assignees: Uniroyal Chemical Company, Inc., Uniroyal Chemical Ltd./Ltee
    Inventors: Robert Allan Davis, Alex R. A. Valcke, Walter Gerhard Brouwer
  • Synergistic compositions containing propiconazole and tebuconazole
    Patent number: 5397795
    Abstract: Synergistic antifungal compositions containing tebuconazole and propiconazole for treating plants or the loci thereof, or for use in wood-preservation or protection of biodegradable materials. Method of treating plants comprising the administration of tebuconazole and propiconazole. Method of protecting wood, wood-products and biodegradable materials from fungal attack and destruction.
    Type: Grant
    Filed: November 8, 1993
    Date of Patent: March 14, 1995
    Assignee: Janssen Pharmaceutica N.V.
    Inventor: Alex R. A. Valcke
  • Synergistic compositions containing propiconazole and tebuconazole
    Patent number: 5223524
    Abstract: Synergistic antifungal compositions containing tebuconazole and propiconazole for treating plants or the loci thereof, or for use in wood-preservation or protection of biodegradable materials. Method of treating plants comprising the administration of tebuconazole and propiconazole. Method of protecting wood, wood-products and biodegradable materials from fungal attack and destruction.
    Type: Grant
    Filed: April 1, 1992
    Date of Patent: June 29, 1993
    Assignee: Janssen Pharmaceutica N.V.
    Inventor: Alex R. A. Valcke