Patents by Inventor Kurt H. Pilgram

Kurt H. Pilgram 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
  • Anilide herbicides
    Patent number: 4602934
    Abstract: Novel compounds of the formula ##STR1## wherein D is hydrogen, halogen, (halo)alkyl or (halo)alkoxy; R is alkyl or is cycloalkyl optionally 1-substituted by alkyl or halogen and R.sup.1 is the hydrocarbyl residue of a saturated oxygen-heterocyclic alcohol, are useful as herbicides.
    Type: Grant
    Filed: November 13, 1984
    Date of Patent: July 29, 1986
    Assignee: Shell Oil Company
    Inventor: Kurt H. Pilgram
  • Phenylurea herbicides
    Patent number: 4602933
    Abstract: Novel compounds of the formula ##STR1## wherein D is hydrogen, halogen, (halo)alkyl or (halo)alkoxy; R is hydrogen, alkyl or alkoxy and R.sup.1 is the hydrocarbyl residue of a saturated oxygen-heterocyclic alcohol, are useful as herbicides.
    Type: Grant
    Filed: November 13, 1984
    Date of Patent: July 29, 1986
    Assignee: Shell Oil Company
    Inventor: Kurt H. Pilgram
  • 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
  • Alkoxycarbonylthiamino-substituted triazinones
    Patent number: 4589913
    Abstract: Certain 4-(alkoxycarbonylthioamino)-6-alkyl-3-methylthio-1,2,4-triazin-5(4H)-ones, and their use for controlling the growth of unwanted plants.
    Type: Grant
    Filed: March 25, 1985
    Date of Patent: May 20, 1986
    Assignee: Shell Oil Company
    Inventors: Kurt H. Pilgram, Gene A. Bozarth
  • 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
  • Acylthio-substituted triazines
    Patent number: 4528027
    Abstract: Certain tri-substituted s-triazines, in which one substituent is an acylthioamino moiety, and their use for controlling growth of plants.
    Type: Grant
    Filed: May 24, 1984
    Date of Patent: July 9, 1985
    Assignee: Shell Oil Company
    Inventors: William W. John, Kurt H. Pilgram, Mae E. F. Martin
  • Isoxazolotriazindiones and plant growth inhibiting use thereof
    Patent number: 4500345
    Abstract: Certain isoxazolotriazinediones, useful for controlling the growth of unwanted plants.
    Type: Grant
    Filed: November 18, 1983
    Date of Patent: February 19, 1985
    Assignee: Shell Oil Company
    Inventors: Kurt H. Pilgram, Thomas P. Price
  • Plant growth inhibiting oxazolyl-substituted triazinone and oxadiazinone derivatives, compositions, and method of use
    Patent number: 4493728
    Abstract: Hexahydrotriazinones substituted by a 5-substituted-1,2-oxazol-3-yl moiety, useful for controlling the growth of unwanted plants.
    Type: Grant
    Filed: June 27, 1983
    Date of Patent: January 15, 1985
    Assignee: Shell Oil Company
    Inventor: Kurt H. Pilgram
  • Oxazolyl-substituted thiadiazolidinediones
    Patent number: 4474598
    Abstract: Thiadiazolidinediones substituted by a 5-substituted-1,2-oxazol-3-yl moiety, useful for controlling the growth of unwanted plants.
    Type: Grant
    Filed: June 27, 1983
    Date of Patent: October 2, 1984
    Assignee: Shell Oil Company
    Inventor: Kurt H. Pilgram
  • 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
  • Herbicidal 4-((benzimidazol-1-yl)phenoxy)alkanoic acids, esters and salts
    Patent number: 4439226
    Abstract: Certain 4-((benzimidazol-1-yl)phenoxy)alkanoic acids, esters and salts, useful as herbicides.
    Type: Grant
    Filed: September 20, 1982
    Date of Patent: March 27, 1984
    Assignee: Shell Oil Company
    Inventor: Kurt H. Pilgram
  • 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
  • Certain herbicidal N-(meta-(6-chloro-3-pyridazinyloxy)phenyl)trifluoromethanesulfonamides
    Patent number: 4345077
    Abstract: Certain N-(meta-(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
    Inventor: Kurt H. Pilgram