Patents by Inventor John W. Kobzina

John W. Kobzina 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).

  • Herbicidal N-haloacetyl-2-substituted-6-acylanilines
    Patent number: 4465502
    Abstract: Compounds of the formula: ##STR1## wherein X is halo; m and n are 0 or 1; R.sup.1 and R.sup.3 are hydrogen, alkyl or are joined to form a carbocyclic ring; R.sup.2 and R.sup.4 are hydrogen or alkyl;R.sup.5 and R.sup.6 are hydrogen, alkyl or alkoxyalkyl; R.sup.7 is hydrogen, halo, nitro, alkoxy or alkyl; and Y is oxygen or NR.sup.8 wherein R.sup.8 is hydrogen or alkyl, have herbicidal and growth-regulating activity, particularly against grassy weeds.
    Type: Grant
    Filed: September 7, 1982
    Date of Patent: August 14, 1984
    Assignee: Chevron Research Company
    Inventor: John W. Kobzina
  • Herbicidal N-haloacetyl-2-methyl-6-substituted methoxymethylanilines
    Patent number: 4456471
    Abstract: Compounds of the formula ##STR1## wherein R.sup.1 is alkyl or alkoxy; R.sup.2 is alkenyl having 2 to 10 carbon atoms, substituted alkyl of 1 to 10 carbon atoms or substituted alkenyl of 1 to 10 carbon atoms substituted with 1 or 2 hydroxy groups or 1 or 2 alkoxy groups of 1 to 4 carbon atoms or 1 or 2 alkenyloxy groups of 2 to 4 carbon atoms; acyl, and ketal group of the formula ##STR2## wherein n=2, 3 or 4, R.sup.4 is alkyl and R.sup.5 is hydrogen or alkyl, an oxime of the formula ##STR3## wherein R.sup.6 is hydrogen or alkyl; R.sup.3 is hydrogen or alkyl; X is halo have herbicidal activity.
    Type: Grant
    Filed: July 27, 1982
    Date of Patent: June 26, 1984
    Assignee: Chevron Research Company
    Inventor: John W. Kobzina
  • Herbicidal N-haloacetyl-2-alkyl-6-acylanilines
    Patent number: 4348222
    Abstract: Compounds of the formula ##STR1## wherein R.sup.1 is alkyl or alkoxy; R.sup.2 is substituted alkyl or substituted alkenyl containing 1 or 2 hydroxy or alkoxy substituents, acyl, and ketal group of the formula ##STR2## wherein n=2, 3 or 4, R.sup.4 is alkyl and R.sup.5 is hydrogen or alkyl, an oxime of the formula ##STR3## wherein R.sup.6 is hydrogen or alkyl; R.sup.3 is hydrogen or alkyl; X is halo and Y is oxygen or sulfur have herbicidal activity.
    Type: Grant
    Filed: July 28, 1980
    Date of Patent: September 7, 1982
    Assignee: Chevron Research Company
    Inventor: John W. Kobzina
  • Herbicidal method and composition
    Patent number: 4309209
    Abstract: The growth of undesired vegetation is inhibited by applying to the locus where such growth is not desired an herbicidally effective amount of a compound of the formula ##STR1## wherein R.sup.1 is methyl or ethyl and R.sup.2 is phenyl; or phenyl substituted with 1 to 2 halogen atoms, 1 to 2 alkyl groups of 1 to 2 carbon atoms, or 1 to 2 alkoxy groups of 1 to 2 carbon atoms.
    Type: Grant
    Filed: August 15, 1977
    Date of Patent: January 5, 1982
    Assignee: Chevron Research
    Inventor: John W. Kobzina
  • Dichloroacyl diphenyl ether mite ovacides
    Patent number: 4287213
    Abstract: Compounds having the formula ##STR1## wherein one of X or Y is chloro and the other is trifluoromethyl or wherein X is hydrogen and Y is chloro and methods of preparing said compounds.The compounds can be prepared by the reaction of the corresponding 1-acetyl substrate with chlorine or sulfuryl chloride and are useful as mite ovacides.
    Type: Grant
    Filed: March 3, 1980
    Date of Patent: September 1, 1981
    Assignee: Chevron Research Company
    Inventor: John W. Kobzina
  • Herbicidal N-haloacetyl-2-alkyl-6-acylanilines
    Patent number: 4244730
    Abstract: Compounds of the formula ##STR1## wherein R.sup.1 is alkyl or alkoxy; R.sup.2 is substituted alkly or substituted alkenly containing 1 or 2 hydroxy or alkoxy substituents, acyl, and ketal group of the formula ##STR2## wherein n=2, 3 or 4, R.sup.4 is alkyl and R.sup.5 is hydrogen or alkyl, an oxime of the formula ##STR3## wherein R.sup.6 is hydrogen or alkyl; R.sup.3 is hydrogen or alkyl; X is halo and Y is oxygen or sulfur have herbicidal activity.
    Type: Grant
    Filed: July 2, 1979
    Date of Patent: January 13, 1981
    Assignee: Chevron Research Company
    Inventor: John W. Kobzina
  • 3,5-Dimethyl-2-thienylcarboxanilide and 3,5-dimethyl-2-thienyl-(N-haloalkylthiocarboxanilide) herbicides
    Patent number: 4097265
    Abstract: Novel 3,5-dimethyl-2-thienylcarboxanilides and 3,5-dimethyl-2-thienyl-(N-haloalkylthiocarboxanilides) are active pre- and post-emergent herbicides.
    Type: Grant
    Filed: January 31, 1977
    Date of Patent: June 27, 1978
    Assignee: Chevron Research Company
    Inventor: John W. Kobzina
  • Herbicidal 1-(2-hydroxymethylpyrrolidinyl) carboxanilides
    Patent number: 4065291
    Abstract: Herbicidal compounds of the formula ##STR1## wherein X is hydrogen, fluoro, chloro, bromo, iodo, trifluoromethyl, trichloromethyl, alkyl, alkoxy or cyano and n is 1, 2 or 3.
    Type: Grant
    Filed: June 18, 1976
    Date of Patent: December 27, 1977
    Assignee: Chevron Research Company
    Inventor: John W. Kobzina
  • Herbicidal N-haloacetyl-1,2-dihydro-4H-3,1-benzoxazine
    Patent number: 4030906
    Abstract: Novel N-haloacetyl-1,2-dihydro-4H-3,1-benzoxazines which have utility as herbicides.
    Type: Grant
    Filed: October 20, 1975
    Date of Patent: June 21, 1977
    Assignee: Chevron Research Company
    Inventor: John W. Kobzina
  • S-Triazines
    Patent number: 4024141
    Abstract: Triazines of the formula ##STR1## wherein R is chlorine, methoxy or methylthio, R' is alkyl, alkenyl or alkoxyalkyl; R.sup.2, R.sup.3, R.sup.4 and R.sup.5 are hydrogen or alkyl; R.sup.6 is alkyl, aryl or haloaryl; and Y is oxygen or sulfur, are useful as herbicides.
    Type: Grant
    Filed: December 29, 1975
    Date of Patent: May 17, 1977
    Assignee: Chevron Research Company
    Inventor: John W. Kobzina
  • Herbicidal N-(3-cyano-4-alkylthien-2-yl) ureas
    Patent number: 3956315
    Abstract: Novel N-(3-cyano-4-alkylthien-2-yl) ureas are selective pre- and/or post-emergent herbicides.
    Type: Grant
    Filed: March 21, 1974
    Date of Patent: May 11, 1976
    Assignee: Chevron Research Company
    Inventor: John W. Kobzina
  • 3,5-Dimethyl-2-thienylcarboxanilide and 3,5-dimethyl-2-thienyl-(N-haloalkylthiocarboxanilide) herbicides
    Patent number: 3948633
    Abstract: Novel 3,5-dimethyl-2-thienylcarboxanilides and 3,5-dimethyl-2-thienyl-(N-haloalkylthiocarboxanilides) are active pre- and post-emergent herbicides.
    Type: Grant
    Filed: April 21, 1975
    Date of Patent: April 6, 1976
    Assignee: Chevron Research Company
    Inventor: John W. Kobzina
  • Substituted triazines
    Patent number: 3938985
    Abstract: Triazines of the formula ##EQU1## wherein R is chlorine, methoxy or methylthio, R.sup.1 is alkyl, alkenyl or alkoxyalkyl; R.sup.2, R.sup.3, R.sup.4 and R.sup.5 are hydrogen or alkyl; R.sup.6 is alkyl, aryl or haloaryl; and Y is oxygen or sulfur, are useful as herbicides.
    Type: Grant
    Filed: April 22, 1974
    Date of Patent: February 17, 1976
    Assignee: Chevron Research Company
    Inventor: John W. Kobzina