Patents by Inventor Andrew Lupichuk

Andrew Lupichuk 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 to 1,1-dihalo-4-methyl-1,3-pentadienes, pyrethroid insecticide intermediates
    Patent number: 4070404
    Abstract: 1,1-Dihalo-4-methyl-1,3-pentadienes, key intermediates in the synthesis of insecticidal dihalovinylcyclopropanecarboxylates, result from the condensation of 3-methyl-1-butene with a carbon tetrahalide in the presence of a catalyst, followed by the base-induced dehydrohalogenation of the 1,1,1,3-tetrahalo-4-methylpentane resulting from the condensation.
    Type: Grant
    Filed: March 26, 1976
    Date of Patent: January 24, 1978
    Assignee: FMC Corporation
    Inventor: Andrew Lupichuk