Patents by Inventor George B. Large

George B. Large 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).

  • Patent number: 4525202
    Abstract: Novel phosphonium salts of N-phosphonomethylglycine are disclosed herein, having the formula ##STR1## in which R.sup.1, R.sup.2, R.sup.3, and R.sup.4 are independently selected from the group consisting of C.sub.1 -C.sub.10 alkyl benzyl, phenyl, substituted phenyl and substituted benzyl wherein said substituents are independently selected from halogen, lower alkoxy, and lower alkyl; provided that at least one of R.sup.1, R.sup.2, R.sup.3, or R.sup.4 is benzyl, substituted benzyl, or substituted phenyl. The compounds are useful as herbicides and plant growth regulants.
    Type: Grant
    Filed: May 5, 1982
    Date of Patent: June 25, 1985
    Assignee: Stauffer Chemical Co.
    Inventors: George B. Large, Lawrence L. Buren
  • Patent number: 4437874
    Abstract: Novel tri-mixed alkylsulfonium salts of N-phosphonomethylglycine are disclosed herein, having the formula ##STR1## in which R.sub.1, R.sub.2, and R.sub.3 represent C.sub.1 -C.sub.12 alkyl and n is zero or one, wherein no more than two of R.sub.1, R.sub.2, or R.sub.3 are identical. The compounds are useful in regulating the natural growth or development of plants and as herbicides.
    Type: Grant
    Filed: June 21, 1982
    Date of Patent: March 20, 1984
    Assignee: Stauffer Chemical Company
    Inventor: George B. Large
  • Patent number: 4384880
    Abstract: Novel trialkylsulfonium salts of N-phosphonomethylglycine are disclosed herein, having the formula ##STR1## in which R represents C.sub.1 -C.sub.3 alkyl and n is zero or one. The compounds are useful in regulating the natural growth or development of plants and as herbicides.
    Type: Grant
    Filed: November 25, 1981
    Date of Patent: May 24, 1983
    Assignee: Stauffer Chemical Company
    Inventor: George B. Large
  • Patent number: 4376644
    Abstract: Novel tri-mixed alkylsulfonium salts of N-phosphonomethylglycine are disclosed herein, having the formula ##STR1## in which R.sub.1, R.sub.2, and R.sub.3 represent C.sub.1 -C.sub.6 alkyl and n is zero or one, wherein no more than two of R.sub.1, R.sub.2, or R.sub.3 are identical. The compounds are useful in regulating the natural growth or development of plants and as herbicides.
    Type: Grant
    Filed: November 25, 1981
    Date of Patent: March 15, 1983
    Assignee: Stauffer Chemical Company
    Inventor: George B. Large
  • Patent number: 4341549
    Abstract: Novel phosphonium salts of N-phosphonomethylglycine are disclosed herein, having the formula ##STR1## in which R.sup.1, R.sup.2, R.sup.3, and R.sup.4 are independently selected from the group consisting of C.sub.1 -C.sub.10 alkyl and phenyl. The compounds are useful as herbicides and plant growth regulants.
    Type: Grant
    Filed: August 24, 1981
    Date of Patent: July 27, 1982
    Assignee: Stauffer Chemical Company
    Inventors: George B. Large, Lawrence L. Buren
  • Patent number: 4328027
    Abstract: The di-triethylamine salt of N,N'-bis-carboethoxymethyl-N,N'-bis-phosphonomethylurea is disclosed herein, having utility in regulating the natural growth or development of plants.
    Type: Grant
    Filed: April 16, 1981
    Date of Patent: May 4, 1982
    Assignee: Stauffer Chemical Company
    Inventors: Lawrence L. Buren, George B. Large
  • Patent number: 4315765
    Abstract: Novel trialkylsulfonium salts of N-phosphonomethylglycine are disclosed herein, having the formula ##STR1## in which R represents C.sub.1 -C.sub.3 alkyl and n is zero or one. The compounds are useful in regulating he natural growth or development of plants and as herbicides.
    Type: Grant
    Filed: December 4, 1980
    Date of Patent: February 16, 1982
    Assignee: Stauffer Chemical Company
    Inventor: George B. Large
  • Patent number: 4191552
    Abstract: Novel amine salts of substituted N-phosphonomethylureas are disclosed herein, having the formula ##STR1## in which R, R', and R" are independently C.sub.1 -C.sub.4 alkyl;a is 1 or 2 and b is 2 or 3, such that the sum of a and b is 4; andc is 1 or 2 and d is 0 or 1, such that the sum of c and d is 2.The compounds are useful in regulating the natural growth or development of plants.
    Type: Grant
    Filed: February 2, 1979
    Date of Patent: March 4, 1980
    Assignee: Stauffer Chemical Company
    Inventors: George B. Large, Lawrence Buren
  • Patent number: 4170463
    Abstract: Compounds having the following structural formula ##STR1## WHEREIN R and R.sup.1 are both methyl or both ethyl, R.sup.2 is alkyl and R.sup.3 is alkyl which are useful as herbicides.
    Type: Grant
    Filed: April 7, 1978
    Date of Patent: October 9, 1979
    Assignee: Stauffer Chemical Company
    Inventor: George B. Large
  • Patent number: 4152372
    Abstract: Compounds which are useful as insecticide activators are described herein. The compounds are defined by the following formula: ##STR1## wherein R is selected from the group consisting of lower alkoxy, dimethyl, trimethyl, halogen, dihalogen, trifluoromethyl, acetyl, acetamido, carbomethoxy, carbethoxy, methylenedioxy and ##STR2## and R' is methyl or ethyl.
    Type: Grant
    Filed: April 18, 1978
    Date of Patent: May 1, 1979
    Assignee: Stauffer Chemical Company
    Inventors: George B. Large, Leland S. Pitt
  • Patent number: 4123526
    Abstract: Compounds which are useful as insecticide activators are described herein. The compounds are defined by the following formula: ##STR1## wherein R is selected from the group consisting of lower alkoxy, dimethyl, trimethyl, halogen, dihalogen, trifluoromethyl, acetyl, acetamido, carbomethoxy, carbethoxy, methylenedioxy and ##STR2## and R' is methyl or ethyl.
    Type: Grant
    Filed: December 24, 1975
    Date of Patent: October 31, 1978
    Assignee: Stauffer Chemical Company
    Inventors: George B. Large, Leland S. Pitt
  • Patent number: 4116668
    Abstract: A composition of matter is described herein which has herbicidal activity and methods of use. The composition is defined by the following generic formula ##STR1## wherein X and Y are independently selected from the group consisting of chloro, bromo, and trifluoromethyl; n is either 0 or 1; m is either 0 or 1; and R and R.sub.1 are independently selected from the group consisting of lower alkyl from C.sub.1 to C.sub.3, inclusive, and lower alkoxy from C.sub.1 to C.sub.3, inclusive, or R and R.sub.
    Type: Grant
    Filed: October 3, 1977
    Date of Patent: September 26, 1978
    Assignee: Stauffer Chemical Company
    Inventors: Edmund J. Gaughan, George B. Large
  • Patent number: 4096251
    Abstract: The novel compound diethyl 2-pyridine thionophosphonate ##STR1## has been found to possess insecticidal activation properties when combined with the known insecticide N-(mercaptomethyl) phthalimide S-(O,O-dimethyl phosphorodithioate).
    Type: Grant
    Filed: August 30, 1976
    Date of Patent: June 20, 1978
    Assignee: Stauffer Chemical Company
    Inventors: Leland S. Pitt, George B. Large, Alan MacDonald
  • Patent number: 4083970
    Abstract: A composition of matter is described herein which is useful as an activated insecticide.
    Type: Grant
    Filed: February 22, 1977
    Date of Patent: April 11, 1978
    Assignee: Stauffer Chemical Company
    Inventors: George B. Large, Leland S. Pitt
  • Patent number: 4072745
    Abstract: Compounds which are useful as insecticide activators are described herein. The compounds are defined by the following formula: ##STR1## wherein R is selected from the group consisting of chlorine, trifluoromethyl, methoxy, and methylenedioxy; and R.sup.1 and R.sup.2 can be the same or different and are selected from the group consisting of lower alkyl having from 1 to 4 carbon atoms, inclusive.
    Type: Grant
    Filed: March 11, 1976
    Date of Patent: February 7, 1978
    Assignee: Stauffer Chemical Company
    Inventors: Leland S. Pitt, George B. Large
  • Patent number: 4049826
    Abstract: Carbon-imidothioates having the formula ##STR1## wherein R.sub.1 is selected from the group consisting of alkyl containing from 1 to 4 carbon atoms, alkynyl containing from 1 to 4 carbon atoms, alkoxy alkylene containing from 2 to 4 carbon atoms and benzyl, and R.sub.2 is either --CH.sub.3 or --H, are active acaricides ad lepidoptericides which can be applied to acarids or lepidoptera at any stage of development.
    Type: Grant
    Filed: August 6, 1976
    Date of Patent: September 20, 1977
    Assignee: Stauffer Chemical Company
    Inventor: George B. Large
  • Patent number: 4004001
    Abstract: A composition of matter is described herein which is useful as an activator for insecticides. The activator composition is defined by the formula ##STR1## wherein R is selected from the group consisting of methyl, ethyl, n-propyl, i-propyl and i-butyl; R.sub.1 is selected from the group consisting of methyl, ethyl, n-propyl, i-propyl, n-butyl, and i-butyl; R.sub.2 is selected from the group consisting of phenyl, substituted phenyl wherein said substituents are selected from methyl, ethyl, i-propyl, t-butyl, methoxy, ethoxy and dimethylamino; phenalkyl and substituted phenalkyl wherein said substituents are selected from chlorine, methyl, i-propyl and methoxy.
    Type: Grant
    Filed: September 2, 1975
    Date of Patent: January 18, 1977
    Assignee: Stauffer Chemical Company
    Inventors: George B. Large, Leland S. Pitt
  • Patent number: 3992447
    Abstract: Carbon-imidothioates having the formula ##SPC1##Wherein R.sub.1 is selected from the group consisting of alkyl containing from 1 to 4 carbon atoms, alkynyl containing from 1 to 4 carbon atoms, alkoxy alkylene containing from 2 to 4 carbon atoms and benzyl, and R.sub.2 is either --CH.sub.3 or --H, are active acaricides and lepidoptericides which can be applied to acarids or lepidoptera at any stage of development.
    Type: Grant
    Filed: October 20, 1975
    Date of Patent: November 16, 1976
    Assignee: Stauffer Chemical Company
    Inventor: George B. Large
  • Patent number: 3956486
    Abstract: A composition of matter is described herein which is useful as an activator for insecticides. The activator composition is defined by the formula: ##EQU1## wherein R is selected from the group consisting of hydrogen and lower alkyl; R.sub.1 is selected from the group consisting of hydrogen, alkyl and cycloalkyl; R.sub.2 is selected from the group consisting of lower alkoxy and ##EQU2## wherein R.sub.3 and R.sub.4 can be the same or different and are selected from the group consisting of hydrogen and lower alkyl.
    Type: Grant
    Filed: December 30, 1974
    Date of Patent: May 11, 1976
    Assignee: Stauffer Chemical Company
    Inventors: George B. Large, Leland S. Pitt