Patents Assigned to Stauffer Chemical Company
  • Method for preparation of 8-methoxy-4,8-dimethyl-1-(4-isopropylphenyl)-nonane
    Patent number: 4482751
    Abstract: Disclosed is a method for the preparation of 8-methoxy-4,8-dimethyl-1-(4-isopropylphenyl)-nonane which comprises the steps of(a) reacting para-isopropylbenzyl chloride with triphenylphosphine in the presence of a suitable solvent for a sufficient period of time and at a sufficient temperature to form an intermediate product in solution, para-isopropylbenzyl triphenylphosphonium chloride, and(b) reacting said solution with sodium methoxide, followed by methoxycitronellal to produce cis- and trans-8-methoxy-4,8-dimethyl-1-(4-isopropylphenyl)-1-nonene,(c) separating said intermediate product from the residual reactants, and(d) hydrogenating said cis- and trans-8-methoxy-4,8-1-(4-isopropylphenyl)-1-nonene, in the presence of a suitable solvent and catalyst to form 8-methoxy-4,8-dimethyl-1-(4-isopropylphenyl)-nonane.
    Type: Grant
    Filed: February 14, 1983
    Date of Patent: November 13, 1984
    Assignee: Stauffer Chemical Company
    Inventors: Kambiz Javdani, William J. Welch
  • Certain 1,3-cyclohexanedione adducts of substituted phenoxyphenoxypropionic acids and their use as an herbicide
    Patent number: 4482727
    Abstract: Compounds having the structural formula ##STR1## wherein R is hydrogen or halogen, R.sup.1 is halogen, R.sup.2 is hydrogen or C.sub.1 -C.sub.4 alkyl, R.sup.3 is hydrogen or C.sub.1 -C.sub.4 alkyl, and X is oxygen or methylene useful as post-emergent herbicides against annual and perennial grasses.
    Type: Grant
    Filed: July 1, 1983
    Date of Patent: November 13, 1984
    Assignee: Stauffer Chemical Company
    Inventor: David L. Lee
  • Method for preparation of N-phosphonomethylglycine
    Patent number: 4482504
    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: February 22, 1983
    Date of Patent: November 13, 1984
    Assignee: Stauffer Chemical Company
    Inventor: Raymond A. Felix
  • Aluminum N-phosphonomethylglycine and its use as a herbicide
    Patent number: 4481026
    Abstract: The aluminum salt of N-phosphonomethylglycine as a unique compound which has utility as a post-emergence herbicide and is also useful as a plant growth regulator; and herbicidal and growth regulating compositions comprising the compound aluminum N-phosphonomethylglycine.
    Type: Grant
    Filed: October 17, 1983
    Date of Patent: November 6, 1984
    Assignee: Stauffer Chemical Company
    Inventor: Michael P. Prisbylla
  • Treatment for phosphorus-containing waste material
    Patent number: 4481176
    Abstract: The invention is directed to a process for recovering elemental phosphorus values from phosphorus-containing waste materials. The process comprises reducing the size of the solid particulate materials of the sludge and forming a uniform homogenous sludge which is filtered through a high-pressure thin-cake filter resulting in a filtrate high in phosphorus values.The invention also discloses a pump retrieval means for retrieving the sludge from contaminated disposal areas and a preconditioning dewatering means for thickening and clarifying the sludge prior to comminuting the solids contained therein and filtrating to recover the phosphorus values contained therein.
    Type: Grant
    Filed: October 3, 1983
    Date of Patent: November 6, 1984
    Assignee: Stauffer Chemical Company
    Inventors: David L. Dodson, Bruce D. Pate, Philip C. Rogers
  • Herbicidal compositions of extended soil life
    Patent number: 4478636
    Abstract: Herbicidally active thiocarbamates are employed in combination with N-methylthiocarbamylethyl-N'-carbamate having the formula ##STR1## In a typical application, the thiocarbamylethylcarbamate is included in sufficient quantity to lessen the rate of soil degradation of the thiocarbamate. As a result, the herbicidal effectiveness of the thiocarbamate is enhanced and prolonged, rendering a single application of the herbicide effective over a longer period of time.
    Type: Grant
    Filed: March 7, 1983
    Date of Patent: October 23, 1984
    Assignee: Stauffer Chemical Company
    Inventor: Daniel L. Hyzak
  • Polyurethane foams having low scorch discoloration
    Patent number: 4477600
    Abstract: Polyurethane foams prepared with halogenated phosphoric acid flame retardant have low scorch and surface discoloration when prepared in the presence of a composition containing phenothiazine, 4,4'-thio-bis-(6-tertiary butyl meta cresol), and organophosphite.
    Type: Grant
    Filed: September 23, 1983
    Date of Patent: October 16, 1984
    Assignee: Stauffer Chemical Company
    Inventor: Gerald Fesman
  • Supported catalyst for polymerization of olefins
    Patent number: 4477587
    Abstract: This invention comprises a catalytic component for polymerizing olefins comprising a solid support containing magnesium-halogen bonds, a transition metal halide of a metal selected from Groups IVB and VB of the periodic table, and an electron donor obtained by the steps comprising:(a) reacting an organometallic compound whose metal comprise members of Groups I to III of the periodic table with an alcohol, ROH, where R is an alkyl, cycloalkyl, or arylalkyl moiety having 1 to 16 carbon atoms, a polysiloxane, and a transition metal halide to form a solid;(b) treating the solid with a transition metal halide optionally in the presence of a polysiloxane to form a treated solid; and(c) reacting the treated solid with an electron donor and a transition metal halide to form the component.
    Type: Grant
    Filed: December 20, 1982
    Date of Patent: October 16, 1984
    Assignee: Stauffer Chemical Company
    Inventor: Elliot I. Band
  • Remote monitoring of ester functional fluids
    Patent number: 4477572
    Abstract: The degradation of a hydrolyzable ester containing functional fluid is monitored by placing in the fluid a probe-containing a corrodible metal sensor and measuring by electrical means the corrosion of the sensor.
    Type: Grant
    Filed: May 28, 1982
    Date of Patent: October 16, 1984
    Assignee: Stauffer Chemical Company
    Inventor: Joseph F. Anzenberger, Sr.
  • Sensitization of glyoxylate photoinitiators
    Patent number: 4475999
    Abstract: Glyoxylate photoinitiators are sensitized for photoinitiation by the use of at least one cinnamyl ketone sensitizer.
    Type: Grant
    Filed: June 6, 1983
    Date of Patent: October 9, 1984
    Assignee: Stauffer Chemical Company
    Inventor: Francis A. Via
  • N-Acylaminomethyl-N-cyanomethyl phosphonates
    Patent number: 4476063
    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: October 11, 1983
    Date of Patent: October 9, 1984
    Assignee: Stauffer Chemical Company
    Inventor: Raymond A. Felix
  • Supported catalyst for polymerization of olefins
    Patent number: 4472521
    Abstract: An unmilled catalytic component for polymerizing olefins with high activity to yield polymers with high stereoregularity and a narrow particle size distribution with a low weight percentage of small particles comprises a solid, unmilled support containing magnesium-halogen bonds, a transition metal halide of a metal selected from Groups IVB and VB of the periodic table, and electron donors.This catalytic component is obtained by steps comprising:(a) contacting a Mg(OR).sub.2 and/or Mn(OR).sub.2 compound with a Ti(OR).sub.4 compound to comprise a liquid, where R is a hydrocarbyl or halogenated hydrocarbyl moiety containing 1 to 20 carbon atoms or a halogen,(b) reacting the liquid with a fluid comprising a halogenating agent and treatment with an electron donor to form a treated solid, and(c) post-treating the solid with a transition metal halide.
    Type: Grant
    Filed: December 20, 1982
    Date of Patent: September 18, 1984
    Assignee: Stauffer Chemical Company
    Inventor: Elliot I. Band
  • Dicalcium phosphate dihydrate having improved monofluorophosphate compatibility and process for the preparation thereof
    Patent number: 4472365
    Abstract: Dicalcium phosphate dihydrate composition having improved monofluorophosphate compatibility are prepared by the addition of magnesium oxide and pyrophosphoric acid to the reaction mixture, and terminating the reaction by which the dicalcium phosphate dihydrate is formed at a low pH.
    Type: Grant
    Filed: June 15, 1981
    Date of Patent: September 18, 1984
    Assignee: Stauffer Chemical Company
    Inventor: Christian G. Michel
  • Dihalopropyl ester herbicide antidotes
    Patent number: 4470843
    Abstract: Herbicide antidote compounds having the formula ##STR1## in which X and X' are halogens, independently selected from the group consisting of chlorine, bromine and iodine; andR is selected from the group consisting of alkyl having 1-12 carbon atoms, inclusive; halophenyl wherein halo is selected from the group consisting of chlorine, bromine and iodine; and substituted alkoxy carbonyl wherein the alkoxy group has 1-8 carbon atoms, inclusive and the substituents are halogen selected from the group consisting of chlorine, fluorine, and iodine; or dioxane.
    Type: Grant
    Filed: October 14, 1980
    Date of Patent: September 11, 1984
    Assignee: Stauffer Chemical Company
    Inventor: Kent E. Matsumoto
  • Pyrrolid-3-en-2-ones and pharmaceutical methods of use thereof
    Patent number: 4469701
    Abstract: Novel compounds having the structural formula ##STR1## wherein R.sub.1 and R.sub.2 are independently selected from the group consisting of hydrogen, halo, alkyl, haloalkyl, thioalkyl, thiohaloalkyl, alkoxy, cyano and nitro are provided. The compounds have various pharmacological effects, including cardiotropic, hypoglycemic, hypocholesterolemic and/or antiulcerative effects in mammals. Methods of achieving these various pharmacological effects in mammals by administering the compounds thereto are provided. Pharmaceutical compositions and formulations including the compounds are provided along with methods of synthesis of the novel compounds.
    Type: Grant
    Filed: June 23, 1983
    Date of Patent: September 4, 1984
    Assignee: Stauffer Chemical Company
    Inventors: Jack R. DeBaun, Ferenc M. Pallos, Kent E. Matsumoto, John H. Ross
  • Guanidinyl herbicide antidotes
    Patent number: 4468246
    Abstract: Herbicide antidote compounds and herbicidal compositions according consisting of an active herbicide compound and an antidote therefore and the methods of use of the antidote compound and compositions wherein the antidote compounds correspond to the formula ##STR1## wherein R.sub.1 is halo substituted phenyl, R.sub.2 and R.sub.3 are individually selected from alkyl C.sub.1 -C.sub.4 and alkenyl C.sub.3 -C.sub.4.
    Type: Grant
    Filed: March 10, 1982
    Date of Patent: August 28, 1984
    Assignee: Stauffer Chemical Company
    Inventor: Ferenc M. Pallos
  • Supported catalyst for polymerization of olefins
    Patent number: 4467044
    Abstract: This invention comprises a catalytic component for polymerizing olefins comprising a siliceous support containing magnesium halide, a transition metal halide, and an electron donor obtained by steps comprising:(a) infusing siliceous oxide with magnesium halide complexed with an alcohol to form a support;(b) reacting the support with an organometallic compound of a metal from Groups I to III of the periodic table to form an intermediate;(c) reacting the intermediate complex with an electron donor to form an intermediary complex; and(d) reacting the intermediary complex with a fluid comprising a transition metal halide.
    Type: Grant
    Filed: December 20, 1982
    Date of Patent: August 21, 1984
    Assignee: Stauffer Chemical Company
    Inventor: Elliot I. Band
  • Method for propagating plants from tissue cultures
    Patent number: 4466216
    Abstract: Propagation of plants, particularly solanaceous plants, from tissue cultures is improved by the presence of exogenous carbon dioxide in the atmosphere.
    Type: Grant
    Filed: July 8, 1982
    Date of Patent: August 21, 1984
    Assignee: Stauffer Chemical Company
    Inventor: John A. Howard
  • Process for the manufacture of alkyl vanadates
    Patent number: 4465636
    Abstract: The yield of alkyl vanadate formed by the reaction of vanadium pentoxide and an alkyl alcohol in the presence of an azeotroping agent and, preferably, a catalyst is improved by the present invention. It involves lowering, prior to the reaction, the amount of vanadium having a valence lower than +5 in the vanadium pentoxide reagent.
    Type: Grant
    Filed: September 13, 1982
    Date of Patent: August 14, 1984
    Assignee: Stauffer Chemical Company
    Inventors: Alan J. Abramson, Gershon J. Davis
  • Alkyl vanadate color improvement
    Patent number: 4465637
    Abstract: The color of alkyl vanadate compounds that have become discolored is improved by treating the vanadates with an oxygen-containing gas, e.g., air, preferably at elevated temperature.
    Type: Grant
    Filed: September 13, 1982
    Date of Patent: August 14, 1984
    Assignee: Stauffer Chemical Company
    Inventors: Alan J. Abramson, Gershon J. Davis