Patents by Inventor Richard D. Skiles

Richard D. Skiles 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).

  • Preparation of 2,3-dihydro-1,3,2-benzodiazaphosphole-2-oxides
    Patent number: 4659858
    Abstract: A process for the preparation of 2,3-dihydro-1,3,2-benzodiazaphosphole-2-oxides which comprises reacting 2-nitrodiphenylamine with a trialkyl phosphite at elevated temperature.
    Type: Grant
    Filed: December 19, 1985
    Date of Patent: April 21, 1987
    Assignee: Shell Oil Company
    Inventors: Kurt H. Pilgram, Richard D. Skiles
  • Miticidal 1-(2-alkyl-2,3-dihydrobenzofuran-7-yl)-4-alkoxy-4-alkylsemicarbazides
    Patent number: 4593109
    Abstract: Miticidal 1-(2-alkyl-4-(or 5)-bromo (or (chloro)-2,3-dihydrobenzofuran-7-yl)-4-alkoxy-4-alkylsemicarbazides.
    Type: Grant
    Filed: August 22, 1984
    Date of Patent: June 3, 1986
    Assignee: Shell Oil Company
    Inventors: Kurt H. Pilgram, Richard D. Skiles
  • Miticidal 2-(2-methyl-2,3-dihydro-benzofuran-7-yl)hydrazinecarboxylic acid esters
    Patent number: 4587259
    Abstract: Certain miticidal 2-(2-alkyl-2,3-dihydro-benzofuran-7-yl)-hydrazinecarboxylic acid esters.
    Type: Grant
    Filed: June 29, 1984
    Date of Patent: May 6, 1986
    Assignee: Shell Oil Company
    Inventors: Kurt H. Pilgram, Richard D. Skiles
  • Miticidal 2-(2-alkyl-2,3-dihydrobenzofuran-7-yl)-N-alkoxy-N-alkyl-diazenecarboxami des
    Patent number: 4577011
    Abstract: Miticidal 2-(2-alkyl-4-(or 5)-bromo (or chloro)-2,3-dihydrobenzofuran-7-yl)-N-alkoxy-N-alkyldiazenecarboxamides.
    Type: Grant
    Filed: August 22, 1984
    Date of Patent: March 18, 1986
    Assignee: Shell Oil Company
    Inventors: Kurt H. Pilgram, Richard D. Skiles
  • Miticidal (2-alkyl-3,4-dihydro-2H-1-benzopyran-8-yl)-diazenecarboxylic acid esters
    Patent number: 4558040
    Abstract: Certain miticidal (2-alkyl-3,4-dihydro-2H-1-benzopyran-8-yl)diazenecarboxylic acid esters.
    Type: Grant
    Filed: December 3, 1984
    Date of Patent: December 10, 1985
    Assignee: Shell Oil Company
    Inventors: Kurt H. Pilgram, Richard D. Skiles
  • Aphicidal 3-(2-alkyl-2,3-dihydrobenzofuran-7-yl)-5-(R,R.sup.1 -amino)-1,3,4-oxadiazol-2(3H)-ones
    Patent number: 4554283
    Abstract: Certain aphicidal 3-(2-alkyl-2,3-dihydrobenzofuran-7-yl)-5-(R,R.sup.1 -amino)-1,3,4-oxadiazol-2(3H)-ones.
    Type: Grant
    Filed: August 22, 1984
    Date of Patent: November 19, 1985
    Assignee: Shell Oil Company
    Inventors: Kurt H. Pilgram, Richard D. Skiles
  • (2-Substituted-2,3-dihydrobenzo-furan-7-yl)diazenecarboxylic acid esters and miticidal method
    Patent number: 4550121
    Abstract: Certain miticidal (2-substituted-2,3-dihydro-benzofuran-7-yl)diazenecarboxylic acid esters.
    Type: Grant
    Filed: August 22, 1984
    Date of Patent: October 29, 1985
    Assignee: Shell Oil Company
    Inventors: Kurt H. Pilgram, Richard D. Skiles
  • Esters of 2-(2-chlorocarbonyl)-2-(2,3-dihydro-2-alkylbenzofuran-7-yl)-hydrazinecar boxylic acid
    Patent number: 4467104
    Abstract: Esters of 2-(2-chlorocarbonyl)-2-(2,3-dihydro-2-alkylbenzofuran-7-yl)hydrazinecarbox ylic acid, useful as pesticides and/or as percursors to pesticides.
    Type: Grant
    Filed: August 2, 1982
    Date of Patent: August 21, 1984
    Assignee: Shell Oil Company
    Inventors: Kurt H. Pilgram, Richard D. Skiles
  • Herbicidal 4-(benzotriazol-1-yl)phenoxy)alkanoic acids, esters and salts
    Patent number: 4452626
    Abstract: Certain 4-(benzotriazol-1-yl)phenoxy)alkanoic acids, esters and salts, useful as herbicides.
    Type: Grant
    Filed: September 20, 1982
    Date of Patent: June 5, 1984
    Assignee: Shell Oil Company
    Inventors: Kurt H. Pilgram, Richard D. Skiles
  • Pesticidal 3-(2,3-dihydro-2-alkylbenzofuran-7-yl)-5-(R-oxy)-1,3,4-oxadiazol-2(3H)-o nes
    Patent number: 4406910
    Abstract: Pesticidal 3-(2,3-dihydro-2-alkylbenzofuran-7-yl)-5-(R-oxy)-1,3,4-oxadiazol-2(3H)-one s.
    Type: Grant
    Filed: May 6, 1982
    Date of Patent: September 27, 1983
    Assignee: Shell Oil Company
    Inventors: Kurt H. Pilgram, Richard D. Skiles
  • Certain herbicidal N-(para-(6-chloro-3-pyridazinyloxy)phenyl)trifluoromethanesulfonamides
    Patent number: 4345076
    Abstract: Certain N-(para-(6-chloro-3-pyridazinyloxy)phenyl)trifluoromethanesulfonamides and their use as herbicides.
    Type: Grant
    Filed: February 4, 1980
    Date of Patent: August 17, 1982
    Assignee: Shell Oil Company
    Inventors: Kurt H. Pilgram, Richard D. Skiles
  • Spiro-.DELTA..sup.3 -1,2,3-thiadiazolines and a method for the preparation thereof
    Patent number: 4308389
    Abstract: Spiro-.DELTA..sup.3 -1,2,3-thiadiazolines of the formula: ##STR1## wherein R.sub.F represents a perfluoroalkyl group having from 1 to 6 carbon atoms, each X and each Y is independently selected from the class consisting of hydrogen, halogens, lower alkyl, and halogen-substituted lower alkyl, Z is fluorine, chlorine, or bromine, p is an integer from 2 to 6, and n is either 1 or 2; and a method for the preparation of such compounds comprising the reaction of certain acylated perfluorinated aliphatic aldehyde hydrazones with a thionyl halide.
    Type: Grant
    Filed: December 31, 1980
    Date of Patent: December 29, 1981
    Assignee: Shell Oil Company
    Inventors: Kurt H. Pilgram, Richard D. Skiles
  • Cycloalkanecarboxanilide derivative herbicides
    Patent number: 4199347
    Abstract: Compounds of the formula ##STR1## wherein Y is C.sub.1-3 alkyl; R.sup.1 is an optionally substituted hydrocarbyl group and R.sup.2 is alkyl or halogen, are useful as herbicides.
    Type: Grant
    Filed: January 22, 1979
    Date of Patent: April 22, 1980
    Assignee: Shell Oil Company
    Inventors: Kurt H. G. Pilgram, Richard D. Skiles
  • Cycloalkanecarboxanilide derivative herbicides
    Patent number: 4184867
    Abstract: Certain cycloalkanecarboxanilide derivatives are useful as herbicides.
    Type: Grant
    Filed: February 10, 1978
    Date of Patent: January 22, 1980
    Assignee: Shell Oil Company
    Inventors: Kurt H. G. Pilgram, Richard D. Skiles
  • Diphenylamine derivative herbicides
    Patent number: 4181519
    Abstract: Compounds of the formula ##STR1## wherein X is halogen or (halo)alkyl; Y and Y.sub.1 are hydrogen, halogen or (halo)alkyl; Z is hydrogen, halogen, (halo)alkyl, (halo)alkoxy, (halo)alkylthio, (halo)alkylsulfinyl, (halo)alkylsulfonyl or amino; with the proviso that at least one of Y, Y.sub.1, and Z is other than hydrogen; and R.sup.1 is alkyl or an optionally substituted cyclopropyl group, are useful as herbicides.
    Type: Grant
    Filed: January 22, 1979
    Date of Patent: January 1, 1980
    Assignee: Shell Oil Company
    Inventors: Kurt H. G. Pilgram, Richard D. Skiles
  • Cycloalkanecarboxanilide derivative herbicides
    Patent number: 4168153
    Abstract: Certain cycloalkanecarboxanilide derivatives are useful as herbicides.
    Type: Grant
    Filed: February 10, 1978
    Date of Patent: September 18, 1979
    Assignee: Shell Oil Company
    Inventors: Kurt H. G. Pilgram, Richard D. Skiles
  • Cycloalkanecarboxanilide derivative herbicides
    Patent number: 4166735
    Abstract: Certain cycloalkanecarboxanilide derivatives are useful as herbicides.
    Type: Grant
    Filed: February 10, 1978
    Date of Patent: September 4, 1979
    Assignee: Shell Oil Company
    Inventors: Kurt H. G. Pilgram, Richard D. Skiles