Patents Represented by Attorney Edwin H. Baker
  • Patent number: 4440563
    Abstract: Herbicidal thiolcarbamate sulfoxide compositions of improved thermal stability.
    Type: Grant
    Filed: September 24, 1980
    Date of Patent: April 3, 1984
    Assignee: Stauffer Chemical Company
    Inventor: Herbert B. Scher
  • Patent number: 4429124
    Abstract: A method for preparing N-phosphonomethylglycine comprising (a) O,O-dialkylaminomethylphosphonate with formaldehyde to produce a triazine; (b) reacting the triazine formed in step (a) with an acyl halide to form the O,O-dialkyl-N-phosphonomethyl-N-chloromethyl acetamide of the acyl halide; (c) reacting the amide formed in step (b) with metal cyanide to form O,O-dialkyl-N-cyanomethyl-N-acetamide; and (d) hydrolyzing the acetamide formed in step (c) to yield N-phosphonomethylglycine.
    Type: Grant
    Filed: August 23, 1982
    Date of Patent: January 31, 1984
    Assignee: Stauffer Chemical Company
    Inventor: Raymond A. Felix
  • Patent number: 4427599
    Abstract: A method of preparing N-phosphonomethylglycine comprising (a) reacting a triazine with an acyl halide to form the N-cyanomethyl-N-halomethyl amide of the acyl halide; reacting the said amide with a phosphite to form a phosphonate compound; and hydrolyzing said phosphonate to yield N-phosphonomethylglycine.
    Type: Grant
    Filed: February 14, 1983
    Date of Patent: January 24, 1984
    Assignee: Stauffer Chemical Company
    Inventor: Raymond A. Felix
  • Patent number: 4427699
    Abstract: Compounds of the formula ##STR1## wherein R.sub.1 is hydrogen or C.sub.1 -C.sub.4 alkyl, and R.sub.2 is C.sub.1 -C.sub.4 alkyl, which are useful for controlling tobacco budworm.
    Type: Grant
    Filed: August 23, 1982
    Date of Patent: January 24, 1984
    Assignee: Stauffer Chemical Company
    Inventor: David L. Lee
  • Patent number: 4425271
    Abstract: Compounds having the structural formula ##STR1## wherein R is alkyl, cycloalkyl, haloalkyl, alkenyl, alkylthio, alkoxy, --NH-alkyl, ##STR2## phenyl or monohalophenyl; and X is hydrogen; alkyl; monohalo; dihalo or nitro and intermediate compounds having the structural formula ##STR3## wherein X' is defined as above excluding hydrogen, both of which compounds are useful as herbicides.
    Type: Grant
    Filed: December 22, 1980
    Date of Patent: January 10, 1984
    Assignee: Stauffer Chemical Company
    Inventor: Arnold D. Gutman
  • Patent number: 4425283
    Abstract: A process for preparing N-phosphonomethylglycine which comprises:(1) reacting a primary amine with formaldehyde to produce N,N', N"-tris-substituted-hexahydro-s-triazine;(2) reacting the triazine with an haloacetyl halide, preferably chloroacetyl chloride, to form the N-(substituted)-N-halomethyl acetamide of the haloacetyl halide;(3) reacting the amide with O,O-di-(substituted)-aminomethylphosphonate to form O,O-di-(substituted)-1-phosphonomethyl-3-(substituted)-1,3-imidazol-4-one; and(4) hydrolyzing the 1,3-imadazol-4-one to yield N-phosphonomethylglycine.
    Type: Grant
    Filed: November 17, 1982
    Date of Patent: January 10, 1984
    Assignee: Stauffer Chemical Company
    Inventor: Raymond A. Felix
  • Patent number: 4425284
    Abstract: A method of preparing N-phosphonomethylglycine comprising (a) reacting a substituted triazine with an acyl halide to form the N-carboalkoxymethyl-N-halomethyl amide of the acyl halide; reacting the said amide with a phosphite to form a phosphonate compound; and hydrolyzing said phosphonate to yield N-phosphonomethylglycine.
    Type: Grant
    Filed: August 30, 1982
    Date of Patent: January 10, 1984
    Assignee: Stauffer Chemical Company
    Inventor: Raymond A. Felix
  • Patent number: 4409194
    Abstract: A method of separating magnesium from wet process superphosphoric acid by filtration characterized by no or minimizing agitation during the crystallization of the magnesium in order to form readily filterable agglomerates of MgH.sub.2 P.sub.2 O.sub.7.
    Type: Grant
    Filed: January 21, 1980
    Date of Patent: October 11, 1983
    Assignee: Stauffer Chemical Company
    Inventor: Alfred W. Petersen
  • 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
  • Patent number: 4390549
    Abstract: N-tetrachloroethylthio benzoyl anilide compounds having the formula ##STR1## in which R is chlorine, hydrogen, or trifluoromethyl and X is hydrogen or fluorine, useful as acaricides and to control mosquitoes.
    Type: Grant
    Filed: June 25, 1981
    Date of Patent: June 28, 1983
    Assignee: Stauffer Chemical Company
    Inventor: Hsiao-Ling M. Chin
  • Patent number: 4389237
    Abstract: Herbicidal thiolcarbamate sulfoxide compositions of improved stability.
    Type: Grant
    Filed: September 23, 1981
    Date of Patent: June 21, 1983
    Assignee: Stauffer Chemical Company
    Inventors: Gilbert G. Patchett, Reed A. Gray, Daniel L. Hyzak
  • Patent number: 4341702
    Abstract: Herbicidal active sulfoxide and sulfone compounds and their method of use as described herein. The compounds have the following generic formula: ##STR1## wherein n is 1 or 2; R is selected from the group consisting of lower alkyl and lower haloalkyl; R.sub.1 and R.sub.
    Type: Grant
    Filed: December 24, 1980
    Date of Patent: July 27, 1982
    Assignee: Stauffer Chemical Company
    Inventor: Harry Tilles
  • Patent number: 4304916
    Abstract: A process for manufacturing sulfoxide compounds is described herein. The process involves the reaction of certain thiocarbamic acid esters with an oxidizing agent at reduced temperatures.
    Type: Grant
    Filed: September 13, 1976
    Date of Patent: December 8, 1981
    Assignee: Stauffer Chemical Company
    Inventor: Francis H. Walker
  • Patent number: 4299765
    Abstract: Herbicidal active sulfoxide and sulfone compounds and their method of use as described herein. The compounds have the following generic formula: ##STR1## wherein n is 1 or 2; R is selected from the group consisting of lower alkyl and lower haloalkyl; R.sub.1 and R.sub.
    Type: Grant
    Filed: November 20, 1978
    Date of Patent: November 10, 1981
    Assignee: Stauffer Chemical Company
    Inventor: Harry Tilles
  • Patent number: 4283277
    Abstract: A froth flotation method for the separation of trona from ground trona ore slurried in a saturated brine solution of sodium carbonate and sodium bicarbonate by using organic compounds of a specified type as flotation collectors.
    Type: Grant
    Filed: April 30, 1979
    Date of Patent: August 11, 1981
    Assignee: Stauffer Chemical Company
    Inventors: Robert J. Brison, John C. Gathje
  • Patent number: 4277500
    Abstract: Certain 2-hydroxy-1-naphthaldehyde acylhydrazones which have the structural formula ##STR1## where R is phenyl, hydroxyphenyl, alkyl C.sub.1 -C.sub.4, benzyl or halophenyl and their uses as a fungicide.
    Type: Grant
    Filed: March 24, 1980
    Date of Patent: July 7, 1981
    Assignee: Stauffer Chemical Company
    Inventor: Ronald J. Rusay
  • Patent number: 4270947
    Abstract: Compounds having the structural formula ##STR1## wherein R is alkyl, cycloalkyl, haloalkyl, alkenyl, alkylthio, alkoxy, --NH--alkyl, ##STR2## phenyl or monohalophenyl; and X is hydrogen; alkyl; monohalo; dihalo or nitro and intermediate compounds having the structural formula ##STR3## wherein X' is defined as above excluding hydrogen, both of which compounds are useful as herbicides.
    Type: Grant
    Filed: July 2, 1979
    Date of Patent: June 2, 1981
    Assignee: Stauffer Chemical Company
    Inventor: Arnold D. Gutman
  • Patent number: 4250185
    Abstract: Certain 1-(3,5-dichlorobenzoyl)-3-phenylpyrazolines which have the structural formula ##STR1## where R is hydrogen, alkyl, alkoxy or halo and their uses as a mildewicide.
    Type: Grant
    Filed: March 10, 1980
    Date of Patent: February 10, 1981
    Assignee: Stauffer Chemical Company
    Inventor: Edmund J. Gaughan
  • Patent number: 4234593
    Abstract: 3-(N-Alkylcarbamyl)-5-(carboalkoxy)-1,3,4-oxadiazole-2-thione compound having the structural formula ##STR1## wherein R is alkyl having 1 to 4 carbon atoms and R.sup.1 is alkyl having 1 to 4 carbon atoms, and their use as anti-inflammatory agents.
    Type: Grant
    Filed: March 20, 1979
    Date of Patent: November 18, 1980
    Assignee: Stauffer Chemical Company
    Inventors: Jack R. DeBaun, Ferenc M. Pallos, Arnold D. Gutman
  • Patent number: 4230720
    Abstract: Compounds of the formula ##STR1## wherein R is alkyl having 1-4 carbon atoms;R.sup.1 is alkyl having 1-4 carbon atoms, or alkoxy having 1-4 carbon atoms;R.sup.2 is hydrogen or alkyl having 1-4 carbon atoms;X is oxygen or sulfur;X.sup.1 is oxygen or sulfur and n is 0, 1 or 2 which are useful as insecticides and acaricides.
    Type: Grant
    Filed: July 30, 1979
    Date of Patent: October 28, 1980
    Assignee: Stauffer Chemical Company
    Inventor: Francis H. Walker