Patents by Inventor Peter Frank Hilary Freeman

Peter Frank Hilary Freeman 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).

  • Dinitroaniline derivatives
    Patent number: 4117167
    Abstract: Pesticidally active 2-anilino-3,5-dinitrobenzotrifluorides of the formula: ##STR1## WHEREIN R is hydrogen, methyl or methoxy; X is halogen,m is zero, one, two or three,p is zero, one or two,q is zero or oneAnd the sum of m,p and q is one, two or three.
    Type: Grant
    Filed: March 7, 1975
    Date of Patent: September 26, 1978
    Assignee: Imperial Chemical Industries Limited
    Inventors: Charles Brian Barlow, Peter Frank Hilary Freeman
  • Organic compounds and compositions containing them
    Patent number: 4000138
    Abstract: 2-Ethylamino-4-methyl-5-n-butyl-6-hydroxypyrimidine and salts thereof which are useful in combating plant diseases.
    Type: Grant
    Filed: January 21, 1976
    Date of Patent: December 28, 1976
    Assignee: Imperial Chemical Industries Limited
    Inventors: Brian Kenneth Snell, Richard Stewart Elias, Peter Frank Hilary Freeman
  • Fungicidal composition and method containing 2-amino-pyrimidines
    Patent number: 3980781
    Abstract: Fungicidal pyrimidine derivatives and the use thereof in combatting plant diseases. Representative derivatives are 2-dimethylamino-4-methyl-5-n-pentyl-6-hydroxypyrimidine and 2-dimethylamino-4-methyl-5-n-propyl-6-hydroxypyrimidine.
    Type: Grant
    Filed: December 31, 1971
    Date of Patent: September 14, 1976
    Assignee: Imperial Chemical Industries Limited
    Inventors: Brian Kenneth Snell, Richard Stewart Elias, Peter Frank Hilary Freeman