Patents Represented by Attorney Edward P. Gray

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  • Thiouronium phosphonates for use in dental treatments
    Patent number: 4435381
    Abstract: Process and composition for dental hygiene in which the teeth of animals are contacted with a long-chain alkyl thiouronium phosphonate.
    Type: Grant
    Filed: July 18, 1983
    Date of Patent: March 6, 1984
    Assignee: The Dow Chemical Company
    Inventor: Edward E. Flagg
  • Pyridinyl fungicides and herbicides
    Patent number: 4423222
    Abstract: Suitably substituted 2-aminomethyl pyridines and suitably substituted 2-pyridinylcarbinols are reacted with 3-(2,2-dichloroethenyl)-2,2-dimethylcyclopropane carboxoyl chloride in an inert solvent to form a group of biologically active organic compounds. These compounds are active as fungicides, herbicides, or both.
    Type: Grant
    Filed: May 21, 1982
    Date of Patent: December 27, 1983
    Assignee: The Dow Chemical Company
    Inventors: Mary L. Ash, Richard G. Pews
  • Substituted pyridine carbonyl amino ethyl esters of 2-methyl-2-propenoic acid
    Patent number: 4418198
    Abstract: The invention is directed to the novel 2-(((substituted pyridinyl)carbonyl)amino)ethyl esters of 2-methyl-2-propenoic acid and their method of preparation. The compounds are prepared by reacting an appropriately substituted pyridinol, pyridinethiol, aminopyridine, or hydroxyalkyloxypyridine with isocyanatoethyl methacrylate in an appropriate solvent in the presence of an activating agent. These compounds may be utilized as herbicides, fungicides, or both.
    Type: Grant
    Filed: November 16, 1981
    Date of Patent: November 29, 1983
    Assignee: The Dow Chemical Company
    Inventor: Chester E. Pawloski
  • N-((Alkylamino)carbonyl)-N-(((alkylamino)carbonyl)oxy)acylamides with antineoplastic activity
    Patent number: 4413009
    Abstract: The present invention is directed to N-((alkylamino)carbonyl)-N-(((alkylamino)carbonyl)oxy)acylamides and their use in inhibiting the growth of HeLa cells, P.sub.388 leukemia or MX-1 carcinomas in mammals.
    Type: Grant
    Filed: February 17, 1982
    Date of Patent: November 1, 1983
    Assignee: The Dow Chemical Company
    Inventor: Walter Reifschneider
  • Adsorption and recovery of rifamycin B and rifamycin S using basic ion exchange resins
    Patent number: 4402877
    Abstract: The use of basic ion exchange resins to adsorb rifamycin B or rifamycin S from dilute solutions containing rifamycin B or rifamycin S is disclosed. The rifamycin B or rifamycin S may be recovered from the resin by desorption with a suitable desorbing solvent system.
    Type: Grant
    Filed: August 9, 1982
    Date of Patent: September 6, 1983
    Assignee: The Dow Chemical Company
    Inventors: Jo Ann Gilpin, Patrick J. Oriel, Roger A. Briggs