Patents by Inventor John W. Zukel

John W. Zukel 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).

  • Thio pyridine N-oxides and regulation of the natural growth and development of plants therewith
    Patent number: 4120692
    Abstract: 2-Thio, 2-sulfinyl and 2-sulfonyl pyridine N-oxides of the formula ##STR1## are useful for regulating the natural growth or development of plants. E.g., the compound wherein n = 1, R.sub.1 = methyl and R.sub.2 = 2,3,4-trimethylphenyl retards cotton and increases root growth of turf.
    Type: Grant
    Filed: July 20, 1977
    Date of Patent: October 17, 1978
    Assignee: Uniroyal, Inc.
    Inventors: Howard L. Plant, John W. Zukel, Ronald B. Ames
  • Regulation of the natural growth or development of plants with 2-sulfinyl or 2-sulfonyl pyridine N-oxide compounds
    Patent number: 4050921
    Abstract: 2-Thio, 2-sulfinyl and 2-sulfonyl pyridine N-oxides of the formula ##STR1## ARE USEFUL FOR REGULATING THE NATURAL GROWTH OR DEVELOPMENT OF PLANTS. E.g., the compound wherein n = 1, R.sub.1 = methyl and R.sub.2 = 2,3,4-trimethylphenyl retards cotton and increases root growth of turf.
    Type: Grant
    Filed: April 16, 1976
    Date of Patent: September 27, 1977
    Assignee: Uniroyal Inc.
    Inventors: Howard L. Plant, John W. Zukel, Ronald B. Ames
  • Cementitious structures of improved durability
    Patent number: 3955994
    Abstract: Cementitious structures characterized by improved durability and weather resistance are obtained by: Incorporating alkyl and alkenyl succinic acids, their anhydrides, acid esters, acid amides, halogenated compounds and salts, into cementitious mixtures prior to setting; applying said succinic compounds onto concrete subsequent to setting; or by a combination of the forgoing steps; said alkyl and alkenyl substituents containing from 8 to 40 carbon atoms.
    Type: Grant
    Filed: December 16, 1974
    Date of Patent: May 11, 1976
    Assignee: Uniroyal Inc.
    Inventors: Byron A. Hunter, John W. Zukel