Patents by Inventor Elmore Louis Martin

Elmore Louis Martin 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).

  • Patent number: 4107444
    Abstract: Thermally stable, rigid, aliphatic diols of the formula ##STR1## where R is a substituted or unsubstituted arylene group are useful as intermediates for forming polymers such as thermally stable, rigid polyesters.
    Type: Grant
    Filed: December 16, 1976
    Date of Patent: August 15, 1978
    Assignee: E. I. Du Pont de Nemours and Company
    Inventor: Elmore Louis Martin
  • Patent number: 4013704
    Abstract: 2,5-Diisopropylterephthalonitrile is a selective herbicide.
    Type: Grant
    Filed: May 2, 1975
    Date of Patent: March 22, 1977
    Assignee: E. I. Du Pont de Nemours and Company
    Inventor: Elmore Louis Martin
  • Patent number: 3997603
    Abstract: Certain substituted cyanobenzenesulfonamides, nitrobenzenesulfonamides, trifluoromethylbenzenesulfonamides, halobenzenesulfonamides, and cyanomethylbenzenesulfonamides are effective preemergence and postemergence herbicides, which may be used for selective weed control in certain crops.
    Type: Grant
    Filed: October 15, 1974
    Date of Patent: December 14, 1976
    Assignee: E. I. Du Pont de Nemours and Company
    Inventor: Elmore Louis Martin
  • Patent number: 3962307
    Abstract: Certain substituted cyanobenzeneacetonitriles, and their halobenzyl halide intemediates are effective preemergence and postemergence herbicides, which control undesired vegetation without injury to crops.
    Type: Grant
    Filed: February 18, 1975
    Date of Patent: June 8, 1976
    Assignee: E. I. Du Pont de Nemours and Company
    Inventor: Elmore Louis Martin
  • Patent number: 3941826
    Abstract: Compounds having the structure: ##SPC1##WhereinR.sup.1 and R.sup.2, alike or different, are alkyls of 2 to 7 carbon atoms in which there are no more than 3 carbon atoms in a line from the aromatic ring;R.sup.3 is an alkyl of 1 to 3 carbon atoms;n is 0, 1 or 2; andX is F, Cl, Br, I, or CN;with the provisos that1. R.sup.1 and R.sup.2 are not ortho to each other,2. at least one of R.sup.1 and R.sup.2 contains at least 3 carbon atoms, and3. X is not ortho to the ##EQU1## have been found to be selective herbicides.
    Type: Grant
    Filed: February 24, 1975
    Date of Patent: March 2, 1976
    Assignee: E. I. Du Pont de Nemours and Company
    Inventor: Elmore Louis Martin