Patents by Inventor Michael D. Applequist

Michael D. Applequist 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).

  • Process for the preparation of unsaturated acids from unsaturated aldehydes
    Patent number: 4146733
    Abstract: Methacrylic acid or acrylic acid are produced by the oxidation of methacrolein or acrolein, respectively, with molecular oxygen in the vapor phase in the presence of a catalytic oxide of molybdenum, phosphorus, arsenic, at least one element selected from the group consisting of Ag, Rh, Ru, and Au, oxygen, and optionally, at least one of Cd, Pt, Tl, Pd, Al, Ge, Cu, Ni, alkaline earth metal, NH.sub.4 and Cl.
    Type: Grant
    Filed: March 14, 1977
    Date of Patent: March 27, 1979
  • Process for the preparation of unsaturated acids from unsaturated aldehydes
    Patent number: 4139719
    Abstract: Methacrylic acid or acrylic acid are produced by the oxidation of methacrolein or acrolein, respectively, with molecular oxygen in the vapor phase in the presence of a catalytic oxide of molybdenum, phosphorus, arsenic, at least one element selected from the group consisting of U, Ti, Nb, Re, Pb, Zn, and Ga, oxygen, and optionally, at least one of Cu, a rare earth element, Ag, Ta, In, Th, Cd, Tl, alkaline earth metal, NH.sub.4, Cl, Ni, Al and Ge.
    Type: Grant
    Filed: January 31, 1977
    Date of Patent: February 13, 1979
  • Preparation of acrylic or methacrylic acid from acrolein or methacrolein
    Patent number: 4113768
    Abstract: Methacrylic acid or acrylic acid are produced by the oxidation of methacrolein or acrolein, respectively, with molecular oxygen in the vapor phase in the presence of a catalytic oxide of molybdenum, phosphorus, bismuth, copper, oxygen, optionally a halogen selected from the group consisting of chlorine, bromine or iodine, and optionally, at least one element selected from the group consisting of Fe, Cr, Ni, Mn, Sb, Te, Rh, and Pd.
    Type: Grant
    Filed: December 6, 1976
    Date of Patent: September 12, 1978
  • Process for the preparation of unsaturated acids from unsaturated aldehydes
    Patent number: 4085065
    Abstract: Methacrylic acid or acrylic acid are produced by the oxidation of methacrolein or acrolein, respectively, with molecular oxygen in the vapor phase in the presence of a catalytic oxide of molybdenum, phosphorus, arsenic, at least one element selected from the group consisting of U, Ti, Nb, Re, Pb, Zn, and Ga, oxygen, and optionally, at least one of Cu, a rare earth element, Ag, Ta, In, Th, Cd, Tl, alkaline earth metal, NH.sub.4, Cl, Ni, Al and Ge.
    Type: Grant
    Filed: October 19, 1976
    Date of Patent: April 18, 1978
    Assignee: The Standard Oil Company (Ohio)
    Inventors: James F. White, Wilfrid G. Shaw, Michael D. Applequist
  • Preparation of methacrylic acid from methacrolein
    Patent number: 4083805
    Abstract: Methacrylic acid or acrylic acid are produced by the oxidation of methacrolein or acrolein, respectively, with molecular oxygen in the vapor phase in the presence of a catalytic oxide of molybdenum, phosphorus, bismuth, copper, oxygen, a halogen selected from the group consisting of chlorine, bromine or iodine, and optionally, at least one element selected from the group consisting of Fe, Cr, Ni, Mn, Sb, Te, Rh, and Pd.
    Type: Grant
    Filed: November 26, 1976
    Date of Patent: April 11, 1978
  • Process for the preparation of unsaturated acids from unsaturated aldehydes
    Patent number: 4075123
    Abstract: Methacrylic acid or acrylic acid are produced by the oxidation of methacrolein or acrolein, respectively, with molecular oxygen in the vapor phase in the presence of a catalytic oxide of molybdenum, phosphorus, arsenic, a rare earth element or mixture thereof, oxygen, and optionally, at least one of Ag, Tl, Rh, Pd, Ru, Pt, Cd, Al, Au, Cu, alkaline earth metal, Cl, and NH.sub.4.
    Type: Grant
    Filed: October 19, 1976
    Date of Patent: February 21, 1978
  • Process for the preparation of unsaturated acids from unsaturated aldehydes
    Patent number: 4075124
    Abstract: Methacrylic acid or acrylic acid are produced by the oxidation of methacrolein or acrolein, respectively, with molecular oxygen in the vapor phase in the presence of a catalytic oxide of molybdenum, phosphorus, arsenic, at least one element selected from the group consisting of Ag, Rh, Ru, and Au, oxygen, and optionally, at least one of Cd, Pt, Tl, Pd, Al, Ge, Cu, Ni, alkaline earth metal, NH.sub.4 and Cl.
    Type: Grant
    Filed: October 19, 1976
    Date of Patent: February 21, 1978
  • Process for the preparation of unsaturated acids from unsaturated aldehydes
    Patent number: 4072708
    Abstract: Methacrylic acid or acrylic acid are produced by the oxidation of methacrolein or acrolein, respectively, with molecular oxygen in the vapor phase in the presence of a catalytic oxide of molybdenum, phosphorus, arsenic, a rare earth element or mixture thereof, oxygen, and optionally, at least one of Ag, Tl, Rh, Pd, Ru, Pt, Cd, Al, Au, Cu, alkaline earth metal, Cl, and NH.sub.4.
    Type: Grant
    Filed: January 31, 1977
    Date of Patent: February 7, 1978