Patents by Inventor John J. Spiwak

John J. Spiwak 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).

  • Binder composition containing alcohol
    Patent number: 4226626
    Abstract: A binder composition comprising aluminum phosphate, water, material containing an alkaline earth metal and an oxide, and certain solid polyhydric alcohols.
    Type: Grant
    Filed: December 27, 1977
    Date of Patent: October 7, 1980
    Assignee: Ashland Oil, Inc.
    Inventors: Richard H. Toeniskoetter, John J. Spiwak
  • Mold and core wash
    Patent number: 4096293
    Abstract: Disclosed is a foundry core wash made of a hydrocarbon solvent, fumaric acid resin, particulated calcium aluminate and a suspending agent. The core wash has particular utility for sand cores made with an inorganic binder used in pressurized die casting.
    Type: Grant
    Filed: September 6, 1977
    Date of Patent: June 20, 1978
    Assignee: Ashland Oil, Inc.
    Inventors: Michael J. Skubon, John J. Spiwak, Richard F. Hanesworth
  • Settable composition containing aluminum phosphate and method for preparing same
    Patent number: 4089692
    Abstract: Settable composition comprising aluminum phosphate, solid organic carboxylic acid, water, and material containing an alkaline earth metal and an oxide, and being obtained by providing an admixture of the above constituents whereby the solid organic carboxylic acid and alkaline earth material are not precontacted with each other prior to contact of the material containing an alkaline earth material with the aluminum phosphate, and process for preparing same are provided.
    Type: Grant
    Filed: June 18, 1975
    Date of Patent: May 16, 1978
    Assignee: Ashland Oil, Inc.
    Inventors: Richard H. Toeniskoetter, John J. Spiwak
  • Process for fabricating foundry shapes
    Patent number: 4070195
    Abstract: Foundry cores are fabricated by mixing aggregate (sand) with a composition comprising boronated aluminum phospate, an oxygen-containing alkaline earth metal compound capable of reacting with the aluminum phosphate, and water. The resulting foundry mix is shaped and allowed to cure at room temperature.
    Type: Grant
    Filed: April 14, 1976
    Date of Patent: January 24, 1978
    Assignee: Ashland Oil, Inc.
    Inventors: Richard H. Toeniskoetter, John J. Spiwak
  • Method for coating sand cores and sand molds
    Patent number: 4001468
    Abstract: Disclosed is a method for reducing the amount of atmospheric moisture absorbed by foundry sand cores and molds. A wash coating composition is applied to the surfaces of foundry sand cores and molds. The coating comprises an organic liquid which can be chlorinated hydrocarbon, a suspending agent which can be clay, a vegetable gum or an amine-treated bentonite, a refractory powder which can be graphite, coke, mica, silica, alumina, magnesia, talc or zircon flour, and an organic polymer or copolymer, vinyl toluene/acrylate copolymer, styrene/acetylene copolymer, acrylate homopolymers and styrene/butadiene copolymers.
    Type: Grant
    Filed: August 13, 1975
    Date of Patent: January 4, 1977
    Assignee: Ashland Oil, Inc.
    Inventors: Michael J. Skubon, John J. Spiwak, Rodney L. Naro
  • Method of casting non-ferrous alloys
    Patent number: 3968828
    Abstract: A binder composition comprising boronated aluminum phosphate, water and material containing an alkaline earth metal and an oxide.
    Type: Grant
    Filed: May 29, 1975
    Date of Patent: July 13, 1976
    Assignee: Ashland Oil, Inc.
    Inventors: Richard H. Toeniskoetter, John J. Spiwak
  • Binder compositions
    Patent number: 3930872
    Abstract: A binder composition comprising boronated aluminum phosphate, water and material containing an alkaline earth metal and an oxide.
    Type: Grant
    Filed: November 14, 1973
    Date of Patent: January 6, 1976
    Assignee: Ashland Oil, Inc.
    Inventors: Richard H. Toeniskoetter, John J. Spiwak