Patents by Inventor Pavol Winternitz

Pavol Winternitz 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: 4098598
    Abstract: Compounds represented by the formula ##STR1## wherein R.sub.1 and R.sub.2 each are hydrogen or a phenyl; R.sub.3 is cyano; R.sub.5 OCO- in which R.sub.5 is a lower alkyl having 1-8 carbons, cycloalkyl having 3-6 carbons, alkenyl having 2-8 carbons, alkynyl having 2-8 carbons or phenyl; R.sub.6 SO.sub.2 - in which R.sub.6 is a lower alkyl having 1-8 carbons, cycloalkyl having 3 to 6 carbons or phenyl; (R.sub.7)(R.sub.8)NCO-- in which R.sub.7 and R.sub.8 each are hydrogen or a lower alkyl having 1-4 carbons, cycloalkyl having 3-6 carbons, alkenyl having 2-4 carbons or phenyl, or R.sub.7 and R.sub.8 together with the nitrogen atom to which they are attached are a 3-7 membered ring which may contain a further hetero atom; or R.sub.9 CO-- in which R.sub.9 is a lower alkyl having 1-4 carbons, cycloalkyl having 3 to 6 carbons or phenyl; and R.sub.
    Type: Grant
    Filed: January 10, 1977
    Date of Patent: July 4, 1978
    Assignee: Hoffmann-La Roche Inc.
    Inventors: Pierre Bocion, Wijitha DE Silva, Pavol Winternitz
  • Patent number: 4056628
    Abstract: Novel substituted .alpha.-aryloxycarboxylic acid esters and their preparation are described. The novel compounds are useful for the control of pests.
    Type: Grant
    Filed: August 3, 1976
    Date of Patent: November 1, 1977
    Assignee: Hoffmann-La Roche Inc.
    Inventor: Pavol Winternitz
  • Patent number: 4028089
    Abstract: Compounds represented by the formula ##STR1## wherein R.sub.1 and R.sub.2 each are hydrogen or a phenyl; R.sub.3 is cyano; R.sub.5 OCO- in which R.sub.5 is a lower alkyl having 1-8 carbons, cycloalkyl having 3-6 carbons, alkenyl having 2-8 carbons, alkynyl having 2-8 carbons or phenyl; R.sub.6 SO.sub.2 - in which R.sub.6 is a lower alkyl having 1-8 carbons, cycloalkyl having 3 to 6 carbons or phenyl; (R.sub.7)(R.sub.8)NCO- in which R.sub.7 and R.sub.8 each are hydrogen or a lower alkyl having 1-4 carbons, cycloalkyl having 3-6 carbons, alkenyl having 2-4 carbons or phenyl, or R.sub.7 and R.sub.8 together with the nitrogen atom to which they are attached are a 3-7 membered ring which may contain a further hetero atom; or R.sub.9 CO- in which R.sub.9 is a lower alkyl having 1-4 carbons, cycloalkyl having 3 to 6 carbons or phenyl; and R.sub.
    Type: Grant
    Filed: March 17, 1975
    Date of Patent: June 7, 1977
    Assignee: Hoffmann-La Roche Inc.
    Inventors: Pierre Bocion, Wijitha De Silva, Pavol Winternitz