Patents Represented by Attorney R. J. Suyat
  • Patent number: 4283416
    Abstract: Fungi, mites and mite eggs are killed by applying thereto sulfonamides of the formula ##STR1## wherein R and R.sup.1 individually are alkyl, cycloalkyl, aryl, carbamylalkyl, or alkoxycarbonylalkyl and R.sup.2 is haloalkyl, with the proviso that one R or R.sup.1 group is carbamylalkyl or alkoxycarbonylalkyl.
    Type: Grant
    Filed: February 19, 1980
    Date of Patent: August 11, 1981
    Assignee: Chevron Research Company
    Inventor: David C. K. Chan
  • Patent number: 4276420
    Abstract: 1,2,4-Trisubstituted-1,2,4-triazolidin-3-one-5-thiones are prepared by the reaction of a 1,4-disubstituted 1,2,4-triazolidin-3-one-5-thione and an organohalide in the liquid phase in the presence of a base. The triazolidinonethione compounds are useful as herbicides and plant-growth regulators.
    Type: Grant
    Filed: February 9, 1979
    Date of Patent: June 30, 1981
    Assignee: Chevron Research Company
    Inventor: Stephen D. Ziman
  • Patent number: 4273572
    Abstract: Compounds of the formula ##STR1## wherein R is aliphatic hydrocarbyl, alicyclic hydrocarbyl or aryl suitably substituted, if desired, or a heterocyclic group, R.sup.1 is hydrogen or alkyl, R.sup.2 is alkyl or alkoxy, R.sup.3 is ##STR2## wherein a is 0 or 1, R.sup.4 is hydrogen or CW'.sub.3, the W' being hydrogen or halogen, Z is halogen and X is halogen, hydroxy, alkoxy, acetoxy, carbethoxyalkoxy, phenoxy, alkylthio, carbethoxyalkylthio, phenylthio, phosphono, dithiophosphonoxy, phosphoramido, isocyanato, isothiocyanato, alkyl- and dialkylthiocarbamoylthio, alkyl- and dialkylcarbamoyloxy, alkylsulfonyl, etc., have herbicidal activity.
    Type: Grant
    Filed: August 20, 1979
    Date of Patent: June 16, 1981
    Assignee: Chevron Research Company
    Inventor: Malcolm S. Singer
  • Patent number: 4271306
    Abstract: Compounds of the formula ##STR1## wherein R.sup.1 and R.sup.2 are alkyl or --CH.sub.2 --.sub.n wherein n=4 through 7; X is sulfur or NR.sup.3 wherein R.sup.3 is alkyl, alkenyl, alkynyl or cycloalkyl; Ar is an aromatic group of 6 to 12 carbon atoms substituted with 1 to 5 halo groups, 2 nitro groups, or 1 to 5 haloalkyl groups have bactericidal and fungicidal activity.
    Type: Grant
    Filed: January 28, 1980
    Date of Patent: June 2, 1981
    Assignee: Chevron Research Company
    Inventor: Edward I. Aoyagi
  • Patent number: 4269849
    Abstract: 3-(N-cycloalkylcarbonyl-N-arylamino)-gamma-butyrolactones, thiobutyrolactones and butyrolactams have fungicidal activity.
    Type: Grant
    Filed: December 12, 1979
    Date of Patent: May 26, 1981
    Assignee: Chevron Research Company
    Inventor: David C. K. Chan
  • Patent number: 4269856
    Abstract: Mites and mite eggs are killed with an N-tetrachloroethylthio-substituted sulfonamide of the formula ##STR1## wherein R is alkyl, alkenyl, cycloalkyl or aryl, R.sup.1 is alkyl, alkenyl, cycloalkyl or aryl, and R.sup.2 is tetrachloroethyl, with the proviso that R and R.sup.1 are not both cycloalkyl or aryl.
    Type: Grant
    Filed: September 10, 1979
    Date of Patent: May 26, 1981
    Assignee: Chevron Research Company
    Inventors: David C. K. Chan, Arthur A. Whipp
  • Patent number: 4266033
    Abstract: In vivo and in vitro cellulose fermentation by cellulose-digesting microorganisms is increased by conducting the fermentation in the presence of a minor amount of a 2-(chloromethyldithio)acetic acid.
    Type: Grant
    Filed: November 30, 1979
    Date of Patent: May 5, 1981
    Assignee: Chevron Research Company
    Inventor: Malcolm S. Singer
  • Patent number: 4264598
    Abstract: 1,3,5-Trialkynyl-hexahydro-1,3,5-triazines have fungicidal activity.
    Type: Grant
    Filed: January 28, 1980
    Date of Patent: April 28, 1981
    Assignee: Chevron Research Company
    Inventor: David C. K. Chan
  • Patent number: 4260410
    Abstract: Novel N-haloacetylphenylamino carbonyl oximes represented by the formula ##STR1## wherein Ar is phenyl or substituted phenyl; R.sup.1 is halomethyl; R.sup.2 and R.sup.3 are each independently hydrogen, alkyl, phenyl, benzyl, substituted phenyl or benzyl, haloalkyl, cyanoalkyl, alkoxyalkyl, alkylthioalkyl or thiocyanoalkyl; R.sup.4 is hydrogen or alkyl; n is 0 or 1; m is 0 or 1; R is hydrogen, alkyl, alkenyl, alkynyl, alkylthioalkyl, haloalkyl, alkoxyalkyl, cyanoalkyl, phenyl, benzyl, substituted phenyl or benzyl, or R is acyl of the formula ##STR2## wherein R.sup.5 is hydrogen, alkyl, haloalkyl, alkoxyalkyl, alkylthioalkyl, alkoxy, alkylthio, acetonyl, or the group -NR'R" wherein R' and R" are independently hydrogen, alkyl or phenyl; with the proviso that R.sup.2 and R.sup.3 may be joined together to form a carbocyclic ring or a heterocyclic ring; or R and R.sup.2 may be joined together to form a heterocyclic ring; or R and R.sup.3 may be joined together to form a heterocyclic ring.
    Type: Grant
    Filed: February 23, 1979
    Date of Patent: April 7, 1981
    Assignee: Chevron Research Company
    Inventors: William L. Schinski, David C. K. Chan, Irene C. Huang
  • Patent number: 4259104
    Abstract: Compounds of the formula ##STR1## wherein X is halo or C.sub.1 -C.sub.4 alkyl, n=1, 2 or 3 and R and R' are hydrogen or C.sub.1 -C.sub.6 alkyl have herbicidal and plant-growth regulating activity.
    Type: Grant
    Filed: July 2, 1979
    Date of Patent: March 31, 1981
    Assignee: Chevron Research Company
    Inventor: Laroy H. Edwards
  • Patent number: 4255451
    Abstract: 1-Halo-2-alkylthioethyl and 1-halo-2-arylthioethyl sulfones, having algicidal and fungicidal activity, are prepared by the addition of arylsulfenyl or alkylsulfenyl halides to alkyl or aryl vinyl sulfones. The thioethyl sulfone products are treated with a base to produce 2-alkylthiovinyl or 2-arylthiovinyl sulfones, which also have algicidal and fungicidal activity. The vinyl sulfones are halogenated to produce 1,2-dihalothioethyl sulfones, which have superior fungicidal activity, especially for tomato and celery late blight.
    Type: Grant
    Filed: July 23, 1979
    Date of Patent: March 10, 1981
    Assignee: Chevron Research Company
    Inventor: Philip S. Magee
  • Patent number: 4253865
    Abstract: Compounds of the formula: ##STR1## wherein R is haloalkyl, haloalkenyl or halogenated aryl; R.sup.1 and R.sup.2 are hydrogen, alkyl or are joined to form a cyclopentyl or cyclohexyl ring; X is hydrogen, halo, alkyl, haloalkyl, alkoxy, nitro or cyano; and n=1 to 5 have fungicidal and bactericidal activity.
    Type: Grant
    Filed: September 6, 1979
    Date of Patent: March 3, 1981
    Assignee: Chevron Research Company
    Inventor: David C. K. Chan
  • 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
  • Patent number: 4244959
    Abstract: Novel O-acyl (alpha-halo-formaldoxime)-pyridines are represented by the formula: ##STR1## wherein R.sup.1 and R.sup.2 are individually hydrogen or alkyl of 1 to 4 carbon atoms; X.sup.1, X.sup.2 and X.sup.3 are individually hydrogen, alkyl of 1 to 4 carbon atoms or the group ##STR2## wherein Z is halo or nitro and R is alkyl alkenyl, alkynyl alkoxy, alkoxyalkyl, halovinyl, phenyl, phenyl substituted with halo, alkyl, alkoxy or nitro, amino, alkylamino, or dialkylamine; with the proviso that only one of X.sup.1, X.sup.2 or X.sup.3 is ##STR3## These formaldoxime pyridines, their acid addition salts and their N-oxides are useful as fungicides.
    Type: Grant
    Filed: July 2, 1979
    Date of Patent: January 13, 1981
    Assignee: Chevron Research Company
    Inventor: Francis J. Freenor, III
  • Patent number: 4243408
    Abstract: Compounds of the formula ##STR1## wherein Ar is aryl, R.sup.1 is halomethyl, R.sup.2 is hydrogen, alkyl, alkenyl, alkynyl, cycloalkyl, alkoxy, haloalkyl, alkylthio, alkenylthio, alkynylthio, aryl or NR.sup.5 R.sup.6 wherein R.sup.5 and R.sup.6 individually are hydrogen, alkyl, alkenyl or alkynyl, R.sup.3 is hydrogen or alkyl, n is 1 or 2, Y is O, S or NR wherein R is hydrogen, alkyl, alkenyl or alkynyl, have been found to be useful herbicides.
    Type: Grant
    Filed: May 11, 1978
    Date of Patent: January 6, 1981
    Assignee: Chevron Research Company
    Inventor: David C. K. Chan
  • Patent number: 4241078
    Abstract: 3-(N-acyl-N-arylamino)-gamma-butyrolactones and thiobutyrolactones have fungicidal activity.
    Type: Grant
    Filed: May 29, 1979
    Date of Patent: December 23, 1980
    Assignee: Chevron Research Company
    Inventor: David C. K. Chan
  • Patent number: 4230875
    Abstract: Fungi, mites and mite eggs are killed by applying thereto sulfonamides of the formula ##STR1## wherein R and R.sup.1 individually are alkyl, cycloalkyl, aryl, carbamylalkyl, or alkoxycarbonylalkyl and R.sup.2 is haloalkyl, with the proviso that one R or R.sup.1 group is carbamylalkyl or alkoxycarbonylalkyl.
    Type: Grant
    Filed: July 3, 1978
    Date of Patent: October 28, 1980
    Assignee: Chevron Research Company
    Inventor: David C. K. Chan
  • Patent number: 4230711
    Abstract: Compounds of the formula ##STR1## wherein R.sup.1 and R.sup.2 are independently alkyl groups containing 1 to 6 carbon atoms; R.sup.3 is a haloalkyl group of the formula C.sub.m Y.sub.(m-1) X.sub.(m+2) wherein X is fluoro, chloro, bromo or iodo and m=1 or 2; Y is hydrogen, fluoro, chloro, bromo or iodo; R.sup.4 is hydrogen, an alkyl group containing 1 to 6 carbon atoms, alkoxy containing 1 to 6 carbon atoms, alkenyl containing 2 to 6 carbon atoms, nitro, hydroxy, alkoxyalkyl containing 2 to 6 carbon atoms, fluoro, bromo, chloro or iodo and n-1, 2, 3 or 4, have fungicidal activity.
    Type: Grant
    Filed: January 31, 1979
    Date of Patent: October 28, 1980
    Assignee: Chevron Research Company
    Inventor: Stephen D. Ziman
  • Patent number: 4221584
    Abstract: Compounds of the formula ##STR1## wherein R.sup.1 is alkyl of 1 to 6 carbon atoms, alkoxy of 1 to 6 carbon atoms, alkenyl of 1 to 6 carbon atoms, haloalkyl of 1 to 2 carbon atoms and 1 to 3 of the same or different halogens selected from fluoro, chloro, bromo or iodo, nitro, hydroxy, alkoxyalkyl of 2 to 6 carbon atoms, fluoro, bromo, chloro or iodo, R.sup.2, R.sup.3 and R.sup.4 are independently selected from hydrogen, alkyl of 1 to 6 carbon atoms, alkoxy of 1 to 6 carbon atoms, alkenyl of 1 to 6 carbon atoms, haloalkyl of 1 to 2 carbon atoms and 1 to 3 of the same or different halogens selected from fluoro, chloro, bromo or iodo, nitro, hydroxy, alkoxyalkyl of 2 to 6 carbon atoms, fluoro, bromo, chloro or iodo; R.sup.5 and R.sup.
    Type: Grant
    Filed: February 9, 1979
    Date of Patent: September 9, 1980
    Assignee: Chevron Research Company
    Inventor: Stephen D. Ziman
  • Patent number: 4219673
    Abstract: In vivo and in vitro cellulose fermentation by cellulose-digesting microorganisms is increased by conducting the fermentation in the presence of a minor amount of a 2-(chloromethyldithio)acetic acid.
    Type: Grant
    Filed: March 31, 1978
    Date of Patent: August 26, 1980
    Assignee: Chevron Research Company
    Inventor: Malcolm S. Singer