Patents Represented by Attorney Samuel S. Blight

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  • Fungicide compositions
    Patent number: 4987142
    Abstract: Compositions of azole fungicides exhibiting reduced eye irritation are prepared by replacing a significant portion of the hydrocarbon solvent with a combination of propylene glycol and a long chain fatty alcohol.
    Type: Grant
    Filed: October 3, 1989
    Date of Patent: January 22, 1991
    Assignee: E. I. du Pont de Nemours and Company
    Inventor: Stanley Tocker
  • Polylactide compositions
    Patent number: 4981696
    Abstract: Systems for delivery of biologically active materials employing novel polylactide composition containing segments of poly(R-lactide) interlocked with segments of poly(S-lactide) as the carrier.
    Type: Grant
    Filed: November 20, 1989
    Date of Patent: January 1, 1991
    Assignee: E. I. Du Pont de Nemours and Company
    Inventors: Gary L. Loomis, Joseph R. Murdoch
  • Fungicidal oxazolidinones
    Patent number: 4957933
    Abstract: A method of controlling plant disease using thioxooxazolidinones, oxazolidinediones and related heterocycles, and agriculturally suitable compositions containing them.
    Type: Grant
    Filed: April 21, 1989
    Date of Patent: September 18, 1990
    Assignee: E. I. du Pont de Nemours and Company
    Inventors: Detlef Geffken, Rayner Dennis R.
  • Stabilized aqueous formulations of sulfonylurea salts
    Patent number: 4936900
    Abstract: This invention relates to stabilized aqueous compositions consisting essentially of a sulfonylurea or its agriculturally suitable salt with a salt of a carboxylic or an inorganic acid, or with mixtures of such carboxylic or inorganic acid salts, provided that the solubility of carboxylic or inorganic acid salts at 5.degree. C. and a pH of about 6-10 is greater than or equal to 3% and further provided that the pH of a 0.1 molar solution of the carboxylic or inorganic acid salt is between 6 and 10.
    Type: Grant
    Filed: January 7, 1987
    Date of Patent: June 26, 1990
    Assignee: E. I. du Pont de Nemours and Company
    Inventor: Archibald M. Hyson