Patents by Inventor William Wayne Brand

William Wayne Brand 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 m-phenoxybenzaldehyde
    Patent number: 4108904
    Abstract: This is a novel process for the preparation of m-phenoxybenzaldehyde, a useful and valuable intermediate for the synthesis of pyrethroid type pesticides. The process comprises halogenation of m-phenoxytoluene on the side chain, in an inert solvent and in the presence of free radical initiators or strong light to a mixture of the corresponding mono and dihalo derivatives, and conversion of the mixture to m-phenoxybenzaldehyde by a Sommelet-type reaction.
    Type: Grant
    Filed: September 22, 1976
    Date of Patent: August 22, 1978
    Assignee: American Cyanamid Company
    Inventors: Dale Gordon Brown, William Wayne Brand
  • Process for the preparation of cyclopropane carboxylic acids and esters
    Patent number: 4083863
    Abstract: Certain derivatives of cyclopropane carboxylic acid and their esters are useful and valuable intermediates for the preparation of broad spectrum pyrethroid type pesticides. The invention provides a novel method for the preparation of the derivatives of cyclopropane carboxylic acid and esters from stable sulfonium ylides.
    Type: Grant
    Filed: June 1, 1976
    Date of Patent: April 11, 1978
    Assignee: American Cyanamid Corporation
    Inventor: William Wayne Brand
  • Insect control compounds
    Patent number: 4004019
    Abstract: The invention is novel hydrocarbon ethers of aminophenol derivatives, and their use in preventing the proliferation of insects by interfering with their normal development and growth pattern.
    Type: Grant
    Filed: September 12, 1975
    Date of Patent: January 18, 1977
    Assignee: American Cyanamid Company
    Inventors: William Wayne Brand, James Byron Lovell
  • Chemosterilant and larvicidal imidothiocarbonates
    Patent number: 3968244
    Abstract: This disclosure describes esters of dithioimidocarbonic acid having chemosterilant and larvicidal activity.
    Type: Grant
    Filed: January 14, 1975
    Date of Patent: July 6, 1976
    Assignee: American Cyanamid Company
    Inventors: William Wayne Brand, Michael Stanley Schrider
  • Process for the chlorination of aromatic isocyanide dichlorides
    Patent number: 3932507
    Abstract: This invention relates to a novel process for the preparation of 4-chloro-2-alkylphenylisocyanide dichlorides. More particularly, this invention relates to the chlorination of ortho substituted phenylisocyanide dichlorides exclusively in the para-position. The compounds are useful intermediates in the preparation of ixodicidal, insecticidal, ovicidal and chemosterilizing agents.
    Type: Grant
    Filed: April 27, 1973
    Date of Patent: January 13, 1976
    Assignee: American Cyanamid Company
    Inventors: William Wayne Brand, David William Reger