Patents by Inventor Gustave K. Kohn

Gustave K. Kohn 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).

  • Insect control employing certain benzoates
    Patent number: 3988471
    Abstract: 3,5-DIALKYL-4-HYDROXYBENZOATES, 3,5-DIALKYL-4-HYDROXYTHIONOBENZOATES, 3,5-DIALKYL-4-HYDROXOTHIOLOBENZOATES AND 3,5-DIALKYL-4-HYDROXYDITHIOBENZOATES HAVE MORPHOGENETIC HORMONAL MIMETIC ACTIVITY ON INSECTS.
    Type: Grant
    Filed: March 19, 1975
    Date of Patent: October 26, 1976
    Assignee: Chevron Research Company
    Inventor: Gustave K. Kohn
  • Preparation of O.S.-dimethyl phosphoroamidothioates
    Patent number: 3978173
    Abstract: O,S-dimethyl phosphoroamidothioates are prepared by reacting in the liquid phase methyl phosphorodichloridite with methyl sulfenyl chloride in the presence of a lower alkanoic acid to produce O,S-dimethyl phosphorochloridothioate and subsequently reacting in the liquid phase the O,S-dimethyl phosphorochloridothioate with ammonia or an amine.
    Type: Grant
    Filed: November 29, 1974
    Date of Patent: August 31, 1976
    Assignee: Chevron Research Company
    Inventors: Gustave K. Kohn, Irene C. Huang, William G. Toland
  • Fungus and bacteria control with di-carboxylic acid esters
    Patent number: 3931412
    Abstract: Fungal and bacterial growth are inhibited by the use of di-carboxylic acid esters and compositions thereof. In a preferred embodiment, crops and animal feedstuffs are preserved during storage against fungal attack by applying a fungicidal amount of a mono-, di- or trioxymethylene, or lower alkylidene bis-alkanoate, or a mixture thereof. In another preferred embodiment, apple scab is controlled by applying to apple trees a fungicidal amount of a mono-, di- or trioxymethylene bis-alkanoate.
    Type: Grant
    Filed: May 9, 1974
    Date of Patent: January 6, 1976
    Assignee: Chevron Research Company
    Inventors: Daniel L. Kensler, Jr., Gustave K. Kohn, David D. Walgenbach