Patents by Inventor Hugh M. Brown

Hugh M. Brown 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).

  • Herbicidal iodopyrimidines
    Patent number: 4659361
    Abstract: Specific iodopyrimidine compounds such as 2-[[(4-iodo-6-methoxypyrimidin-2-yl)aminocarbonyl]-aminosulfonyl]benzoic acid, methyl ester and N'-[(4-iodo-6-methoxypyrimidin-2-yl)aminocarbonyl]-N,N-dimethyl-1,2-benzen edisulfonamide are active preemergent and postemergent herbicides and plant growth regulants.
    Type: Grant
    Filed: April 12, 1985
    Date of Patent: April 21, 1987
    Assignee: E. I. Du Pont de Nemours and Company
    Inventor: Hugh M. Brown
  • Herbicidal N-[(4-bromo-6-methoxypyrimidin-2-yl)aminocarbonyl]-2,3-dihydro-(2-methyl )benzo[b]thiophene-7-sulfonamides, 1,1-dioxide
    Patent number: 4612035
    Abstract: Benzofuran and benzothiophene sulfonamides show utility as herbicides and plant growth regulants.
    Type: Grant
    Filed: May 9, 1984
    Date of Patent: September 16, 1986
    Assignee: E. I. Du Pont de Nemours and Company
    Inventors: Hugh M. Brown, Robert J. Pasteris