Patents by Inventor Sidney Hayes Davidson

Sidney Hayes Davidson 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: 4051255
    Abstract: Compounds of the formula ##STR1## such as 2-cyano-2-hydroxyiminoacetamide and 2-cyano-N-ethylcarbamoyl-2-methoxyiminoacetamide are useful in preventing fungus diseases in plants.
    Type: Grant
    Filed: February 6, 1976
    Date of Patent: September 27, 1977
    Assignee: E. I. Du Pont de Nemours and Company
    Inventor: Sidney Hayes Davidson
  • Patent number: 3957847
    Abstract: Compounds of the formula ##EQU1## wherein R is hydrogen; alkyl of 1 to 13 carbon atoms; alkyl of 1 to 13 carbon atoms substituted with alkoxycarbonyl of 2 to 4 carbon atoms, acyl of 2 to 4 carbon atoms, cyano, hydroxyl, acyloxy of 2 to 4 carbon atoms, ##SPC1##R.sub.1 is hydrogen, ##EQU2## X is oxygen or sulfur WITH THE PROVISO THAT1. when R.sub.1 is ##EQU3## or when X is sulfur, R is methyl; 2. WHEN R is a cation, R.sub.1 is hydrogen;3. when R is substituted alkyl, the total number of carbon atoms in R is less than 14;Such as 2-cyano-2-hydroxyiminoacetamide and 2-cyano-N-ethylcarbamoyl-2-methoxyiminoacetamide are useful in preventing fungus diseases in plants.
    Type: Grant
    Filed: March 10, 1975
    Date of Patent: May 18, 1976
    Assignee: E. I. du Pont de Nemours and Company
    Inventor: Sidney Hayes Davidson
  • Patent number: 3954992
    Abstract: Compounds of the formula ##EQU1## such as 2-cyano-2-hydroxyiminoacetamide and 2-cyano-N-ethylcarbamoyl-2-methoxyiminoacetamide are useful in preventing fungus diseases in plants.
    Type: Grant
    Filed: March 21, 1974
    Date of Patent: May 4, 1976
    Assignee: E. I. Du Pont de Nemours and Company
    Inventor: Sidney Hayes Davidson