Patents Represented by Attorney Raymond Owyang
  • Patent number: 4139363
    Abstract: Novel 2,3,5-trisubstituted-1,2,3,5-thiatriazolidin-4-one-2-oxides have been found to have herbicidal activity. These 1,2,3,5-thiatriazolidin-4-one-2-oxides are prepared by reacting an N-aminourea (semicarbazide) and thionyl chloride.
    Type: Grant
    Filed: November 29, 1977
    Date of Patent: February 13, 1979
    Assignee: Chevron Research Company
    Inventor: Stephen D. Ziman
  • Patent number: 4125397
    Abstract: O-alkylsulfonyl- and O-haloalkylsulfonyl-alpha-halo-2,6-dihalobenzaldoximes are active pre-emergent herbicides.
    Type: Grant
    Filed: January 3, 1977
    Date of Patent: November 14, 1978
    Assignee: Chevron Research Company
    Inventors: Francis J. Freenor, III, Barbara M. Koerber
  • Patent number: 4123255
    Abstract: O-alkylsulfonyl-, O-haloalkylsulfonyl- and O-dialkylaminosulfonyl-alpha-cyano-2,6-dihalobenzaldoximes are active pre-emergent herbicides.
    Type: Grant
    Filed: January 3, 1977
    Date of Patent: October 31, 1978
    Assignee: Chevron Research Company
    Inventors: Francis J. Freenor, III, Barbara M. Koerber
  • Patent number: 4123552
    Abstract: Fungus and mold growth in crops and organic matter are inhibited by the use of bis-carboxylic acid esters and compositions thereof. In a preferred embodiment, crops and animal feedstuffs are preserved during storage by applying a microbiocidal amount of a mono-, di or trioxymethylene, or lower alkylidene bis-alkanoate, or a mixture thereof.
    Type: Grant
    Filed: October 17, 1975
    Date of Patent: October 31, 1978
    Assignee: Chevron Research Company
    Inventors: Daniel L. Kensler, Jr., Gustave K. Kohn, David D. Walgenbach
  • Patent number: 4119722
    Abstract: 4-HALO-5-ARYL-1,2,3-DITHIAZOLE, USEFUL AS FUNGICIDES, OVICIDES, INSECTICIDES AND HERBICIDES, ARE PREPARED BY REACTING A N-aryl cyanothioformamide and a sulfur dihalide in the presence of a catalytic amount of a formamide compound or quaternary ammonium salt.
    Type: Grant
    Filed: September 26, 1977
    Date of Patent: October 10, 1978
    Assignee: Chevron Research Company
    Inventor: Joseph E. Moore
  • Patent number: 4112237
    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: October 22, 1976
    Date of Patent: September 5, 1978
    Assignee: Chevron Research Company
    Inventor: David Cheong King Chan
  • Patent number: 4111683
    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: November 12, 1976
    Date of Patent: September 5, 1978
    Assignee: Chevron Research Company
    Inventor: Malcolm Scott Singer
  • Patent number: 4110443
    Abstract: O,S-dihydrocarbylphosphoroamidothioates and S,S-dihydrocarbylphosphoroamidodithioates have a high degree of insecticidal activity with relatively low mammalian toxicity.
    Type: Grant
    Filed: June 10, 1977
    Date of Patent: August 29, 1978
    Assignee: Chevron Research Company
    Inventor: Philip S. Magee
  • Patent number: 4110332
    Abstract: Compounds of the formula ##STR1## wherein R.sup.1 is alkyl, alkenyl, cycloalkyl or aryl; R.sup.2 is alkyl, haloalkyl, alkenyl or aryl; and R.sup.3, R.sup.4 and R.sup.5 individually are alkyl or aryl, possess pesticidal activity.
    Type: Grant
    Filed: May 5, 1977
    Date of Patent: August 29, 1978
    Assignee: Chevron Research Company
    Inventor: Laroy H. Edwards
  • Patent number: 4110475
    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: May 11, 1977
    Date of Patent: August 29, 1978
    Assignee: Chevron Research Company
    Inventor: Malcolm S. Singer
  • Patent number: 4107332
    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: January 17, 1977
    Date of Patent: August 15, 1978
    Assignee: Chevron Research Company
    Inventors: David C. K. Chan, Arthur A. Whipp
  • Patent number: 4107323
    Abstract: 3-(N-acyl-N-arylamino)-gamma-lactones, delta-lactones, gamma-lactams and delta-lactams have fungicidal activity.
    Type: Grant
    Filed: October 12, 1976
    Date of Patent: August 15, 1978
    Assignee: Chevron Research Company
    Inventor: David Cheong King Chan
  • Patent number: 4101679
    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 compound of the formula ##STR1## wherein R' is haloalkyl and R is H or alkyl.
    Type: Grant
    Filed: May 31, 1977
    Date of Patent: July 18, 1978
    Assignee: Chevron Research Company
    Inventor: Donald L. MacFadden
  • 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
  • Patent number: 4096167
    Abstract: Fungicidal and herbicidal alpha-haloacetanilides of the formula: ##STR1## wherein R.sup.1 is alkyl, R.sup.2 is hydrogen or alkyl; R.sup.3 is hydrogen or alkyl; X is halo; and Y is --SR.sup.4 or --NR.sup.5 R.sup.6 wherein R.sup.4 is alkyl, alkenyl or phenylalkyl, R.sup.5 is hydrogen, alkyl, alkenyl or alkynyl and R.sup.6 is hydrogen, alkyl, alkenyl or alkynyl, with the proviso that R.sup.5 and R.sup.6 may be joined to form a divalent alkylene group or --CH.sub.2 CH.sub.2 OCH.sub.2 CH.sub.2 --, are prepared from N-phenylamino thioacetates.
    Type: Grant
    Filed: February 17, 1977
    Date of Patent: June 20, 1978
    Assignee: Chevron Research Company
    Inventor: David Cheong King Chan
  • Patent number: 4083989
    Abstract: 3,5-DIALKYL-4-HYDROXYBENZOATES, 3,5-DIALKYL-4-HYDROXYTHIONOBENZOATES, 3,5-DIALKYL-4-HYDROXYTHIOLOBENZOATES AND 3,5-DIALKYL-4-HYDROXYDITHIOBENZOATES HAVE MORPHOGENETIC HORMONAL MIMETIC ACTIVITY ON INSECTS.
    Type: Grant
    Filed: August 19, 1976
    Date of Patent: April 11, 1978
    Assignee: Chevron Research Company
    Inventor: Gustave K. Kohn
  • Patent number: 4080333
    Abstract: Compounds of the formula ##STR1## wherein R.sup.1 and R.sup.2 individually are hydrogen, halo, alkyl or nitro; one of X.sup.1 or X.sup.2 is hydrogen, halo, alkyl or nitro and the other X.sup.1 or X.sup.2 is --SO.sub.2 N(R.sup.3) (SnR.sup.4 R.sup.5 R.sup.6) wherein R.sup.3 is hydrogen, alkyl or aryl and R.sup.4, R.sup.5 and R.sup.6 individually are alkyl or aryl, possess pesticidal activity.
    Type: Grant
    Filed: May 5, 1977
    Date of Patent: March 21, 1978
    Assignee: Chevron Research Company
    Inventor: Laroy H. Edwards
  • Patent number: 4075347
    Abstract: Novel thiophenes of the formula ##STR1## wherein R.sup.1 is alkyl; R.sup.2 is alkyl; one X is hydrogen, fluoro, chloro or bromo and the other X is --SC.sub.2 N(R.sup.3) (R.sup.4) wherein R.sup.3 is alkyl or aryl and R.sup.4 is hydrogen or haloalkylthio, are useful for the prevention or cure of fungal infections.
    Type: Grant
    Filed: October 12, 1976
    Date of Patent: February 21, 1978
    Assignee: Chevron Research Company
    Inventor: Laroy H. Edwards
  • Patent number: 4071617
    Abstract: Flowable aqueous pesticidal concentrates comprising water, 10 to 80% by weight, based on the water, of a water-insoluble solid particulate pesticide and a vinyl alcohol/vinyl acetate polymer having about 5 to 15 mols of vinyl acetate per 100 mols of copolymer and a molecular weight of at least 50,000, wherein the weight ratio of pesticide to copolymer is in the range of 1:1 and 1000:1. These concentrates are compatible with other agricultural chemicals systems. This application is a continuation of application Ser. No. 206,516, filed Dec. 9, 1971 now abandoned, which in turn is a continuation of application Ser. No. 829,769, filed June 2, 1969, now abandoned.
    Type: Grant
    Filed: February 9, 1976
    Date of Patent: January 31, 1978
    Assignee: Chevron Research Company
    Inventors: Thomas M. Graves, Theodore H. Koundakjian
  • Patent number: 4069299
    Abstract: Hydroxy-aluminum chloride or sulfate polymer is produced by reacting urea and aluminum chloride or aluminum sulfate in aqueous solution. The hydroxy-aluminum chloride and sulfate polymers are useful for consolidating soil in secondary oil recovery and for reducing the caking tendency of ammonium salt fertilizer compositions.
    Type: Grant
    Filed: December 6, 1976
    Date of Patent: January 17, 1978
    Assignee: Chevron Research Company
    Inventor: Clive Hodgson