Patents by Inventor Lawrence L. Buren

Lawrence L. Buren 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).

  • Herbicidal compositions of acylated 1,3-dicarbonyl herbicides and antidotes therefor
    Patent number: 4938796
    Abstract: This invention embodies a two-part herbicidal system comprised of an acylated 1,3-dicarbonyl herbicide compound corresponding to the formula ##STR1## and tautomeric forms thereof wherein R is an aromatic moiety, optionally substituted, and a non-phytotoxic antidotally effective amount of an antidote therefor selected from the group of amides of haloalkanoic acids, including oxazolidines and thiazolidines, aromatic oxime derivatives, thiazole carboxylic acids and derivatives, and 1,8-naphthalic anhydride.
    Type: Grant
    Filed: June 22, 1988
    Date of Patent: July 3, 1990
    Assignee: ICI Americas Inc.
    Inventors: Lawrence L. Buren, Joanna K. Hsu, Michael P. Ensminger, Charles J. Duerksen, Nicholas N. Poletika, Benjamin P. Rodriquez
  • S-benzyl thiolcarbamates and their use in controlling weeds in rice fields
    Patent number: 4695314
    Abstract: Novel S-benzyl thiolcarbamates are disclosed, having the formula ##STR1## in which R.sup.1 is selected from the group consisting of hydrogen and methoxy,R.sup.2 is selected from the group consisting of methyl, ethyl, and allyl, andR.sup.3 is selected from the group consisting of straight-chain C.sub.3 -C.sub.6 alkyl optionally substituted with one or two methyl groups, and allyl.The compounds are particularly effective in the control of weeds associated with rice crops.
    Type: Grant
    Filed: April 28, 1986
    Date of Patent: September 22, 1987
    Assignee: Stauffer Chemical Company
    Inventors: Lawrence L. Buren, Donald R. James, Barney J. Randolph, Eugene G. Teach, Harry Tilles, Francis H. Walker
  • Method of increasing the yield of plants utilizing N-(2'-diethylaminoethyl)alkylamides
    Patent number: 4595411
    Abstract: A method of increasing the yield of plants utilizing a compound of the formula ##STR1## wherein R is C.sub.3 -C.sub.14 alkyl or C.sub.3 -C.sub.6 alkenyl and R.sub.1 is hydrogen, C.sub.1 -C.sub.3 alkyl or phenyl.
    Type: Grant
    Filed: March 4, 1985
    Date of Patent: June 17, 1986
    Assignee: Stauffer Chemical Co.
    Inventors: Lawrence L. Buren, Don R. Baker
  • Phosphonium salts of N-phosphonomethylglycine and their use as herbicides and plant growth regulants
    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
  • Method of increasing the yield of legumes utilizing O,O-dialkyl dithiophosphoryl acetyl-N-alkyl glycine amides
    Patent number: 4415351
    Abstract: A method of increasing the yield of legumes (soybeans) utilizing a compound of the formula ##STR1## wherein R.sub.1 is selected from the group consisting of --CH.sub.3, --C.sub.2 H.sub.5, --C.sub.3 H.sub.7 and --C.sub.4 H.sub.9, and R.sub.2 and R.sub.3 are independently selected from the group consisting of --OCH.sub.3, --OC.sub.2 H.sub.5 and --OC.sub.3 H.sub.7.
    Type: Grant
    Filed: August 26, 1981
    Date of Patent: November 15, 1983
    Assignee: Stauffer Chemical Company
    Inventors: Llewellyn W. Fancher, Francis H. Walker, Lawrence L. Buren
  • Method of increasing the yield of legumes utilizing chloroacetylamino-1,3-dioxanes
    Patent number: 4396414
    Abstract: A method of increasing the yield of legumes (soybeans) utilizing a compound of the formula ##STR1## where R is chloromethyl or dichloromethyl; R.sup.1 is lower alkyl, vinyl or phenyl; R.sup.2 is hydrogen or lower alkyl and R.sup.3 is hydrogen or lower alkyl.
    Type: Grant
    Filed: June 25, 1981
    Date of Patent: August 2, 1983
    Assignee: Stauffer Chemical Company
    Inventor: Lawrence L. Buren
  • Method of increasing the yield of legumes utilizing O,O-dialkyldithiophosphorylacetylglycine ethyl esters
    Patent number: 4385923
    Abstract: A method of increasing the yield of legumes (soybeans) utilizing a compound of the formula ##STR1## wherein R.sub.1 and R.sub.2 are independently selected from the group consisting of --OCH.sub.3, --OC.sub.2 H.sub.5, --OC.sub.3 H.sub.7, and --OC.sub.4 H.sub.7.
    Type: Grant
    Filed: August 26, 1981
    Date of Patent: May 31, 1983
    Assignee: Stauffer Chemical Company
    Inventors: Llewellyn W. Fancher, Francis H. Walker, Lawrence L. Buren
  • Phosphonium salts of N-phosphonomethylglycine and their use as herbicides and plant growth regulants
    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
  • Di-triethylamine salt of N,N'-bis-carboethoxymethyl-N,N'-bis-phosphonomethylurea and its use as a plant growth regulator
    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