Patents Represented by Attorney Thomas P. O'Day

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  • Preparation of trialkoxysilanols
    Patent number: 4198346
    Abstract: An improved method is disclosed for the preparation of trialkoxysilanols. The process involves hydrolysis of corresponding trialkoxyhalosilanes with solid bicarbonate in the presence of a critical catalytic amount of water.
    Type: Grant
    Filed: June 1, 1979
    Date of Patent: April 15, 1980
    Assignee: Olin Corporation
    Inventor: Karl O. Knollmueller
  • Use of phosphogypsum for fire suppression
    Patent number: 4197913
    Abstract: Particulate gypsum, including phosphogypsum, is used for fire suppression in high fire risk areas such as forests, road sides and areas near railroad lines.
    Type: Grant
    Filed: July 10, 1978
    Date of Patent: April 15, 1980
    Assignee: Olin Corporation
    Inventor: Theodore F. Korenowski
  • Ventilated diaphragm support for chlor-alkali cell
    Patent number: 4196071
    Abstract: A perforated support for helping prevent damage to a non-adherent membrane in a chlorine gas-producing cell configuration having downwardly open, gas-trapping pockets adjacent such a membrane in the upper end of a chlorine-producing anolyte chamber. The cathode chamber can be at a greater pressure than the anode chamber to force the diaphragm against the support.
    Type: Grant
    Filed: February 22, 1979
    Date of Patent: April 1, 1980
    Assignee: Olin Corporation
    Inventors: Judson A. Wood, Steven J. Specht
  • Reinforced casing for an electrode for a diaphragm-type electrolytic cell and a method of fabrication
    Patent number: 4191627
    Abstract: A casing suitable for covering a substantially rectangular electrode for a diaphragm-type electrolytic cell comprises a closed end, an open end, and two closed, reinforced sides.The casing is formed of a single flexible material which is folded or sealed to provide a plurality of fingers each having a closed end and then sealed to form two closed sides, such casing preferably having reinforced edges.
    Type: Grant
    Filed: August 28, 1978
    Date of Patent: March 4, 1980
    Assignee: Olin Corporation
    Inventor: Steven J. Specht
  • Unsaturated polyols containing alkenyl aryl constituents
    Patent number: 4186271
    Abstract: Unsaturated polyol compounds containing alkenyl aryl constituents are described. These unsaturated polyols are prepared by reacting a polyol with an aromatic derivative including both an alkenyl constituent and a second functionality reactive with a polyol. The resulting unsaturated polyols feature an alkenyl aryl constituent which enhances polyol receptivity for graft copolymerization with vinyl monomers. The aryl constituent along with multiple hydroxyl groups of the polyol render these polyols particularly suitable for polyurethane end uses.
    Type: Grant
    Filed: September 14, 1978
    Date of Patent: January 29, 1980
    Assignee: Olin Corporation
    Inventors: Frank J. Preston, Kiran B. Chandalia
  • In-situ polyvinyl grafting of polyurethanes
    Patent number: 4181781
    Abstract: Disclosed is a process for preparing polyurethane which comprises including an azo or peroxy di-ester polyol and an ethylenically unsaturated monomer in a polyurethane reaction formulation to effect simultaneous graft copolymerization and polyurethane polymerization. Novel polyurethane compositions are produced.
    Type: Grant
    Filed: May 30, 1978
    Date of Patent: January 1, 1980
    Assignee: Olin Corporation
    Inventors: Kiran B. Chandalia, Frank J. Preston, Henry G. Barnowski
  • Plated metallic cathode
    Patent number: 4177129
    Abstract: A highly conductive and corrosion resistant low hydrogen overvoltage cathode. The cathode comprises a copper substrate plated with an alloy of nickel and molybdenum.
    Type: Grant
    Filed: November 1, 1978
    Date of Patent: December 4, 1979
    Assignee: Olin Corporation
    Inventor: Han C. Kuo
  • Functional fluid methods using alkoxysilane ester cluster compounds
    Patent number: 4175049
    Abstract: Novel alkoxysilane ester cluster compounds are disclosed. These compounds have the formula:RSi[OSi(OR').sub.3 ].sub.2 OR"wherein R is hydrogen, an alkyl, alkenyl, aryl or aralkyl group, and each R' and the R" groups is independently selected from alkyl, alkenyl, aryl and aralkyl with the proviso that at least a majority of the R' radicals are sterically hindered alkyl groups having at least 3 carbon atoms. The preparation of these novel alkoxysilane ester cluster compounds and their use as functional fluids are also disclosed.
    Type: Grant
    Filed: January 12, 1978
    Date of Patent: November 20, 1979
    Assignee: Olin Corporation
    Inventor: Karl O. Knollmueller
  • Glycol and silicate-based surfactant composition for stabilizing polyurethane foam
    Patent number: 4172186
    Abstract: A novel glycol and silicate-based surfactant composition is prepared by (a) obtaining a silicate-based component by a selective process involving (i) reaction of silicon tetrahalide with water and alcohol followed by (ii) transesterification with a polyether alcohol, and (b) subsequently combining the silicate-based component with glycols and/or polyglycol ethers. The resulting surfactant composition is utilized as a stabilizer in the production of polyurethane foam.
    Type: Grant
    Filed: March 13, 1978
    Date of Patent: October 23, 1979
    Assignee: Olin Corporation
    Inventors: Robert N. Scott, Thomas A. Knowles
  • Peroxy di-ester polyols
    Patent number: 4165432
    Abstract: Compounds containing peroxy linkages connecting similar polyol ester constituents are described. These peroxy di-ester polyols are prepared by the direct esterification of peroxy diacids with polyols, in the presence of a strong mineral acid catalyst. The peroxy di-ester polyol products function as free radical initiators and grafting bases in the graft copolymerization of unsaturated monomers with polyols. These graft copolymers are useful in the formulation of polyurethanes.
    Type: Grant
    Filed: October 18, 1977
    Date of Patent: August 21, 1979
    Assignee: Olin Corporation
    Inventors: Frank J. Preston, Theodore C. Kraus, Kiran B. Chandalia
  • In situ reference electrode for diaphragm cells
    Patent number: 4163698
    Abstract: A method and apparatus for measuring the overvoltage of a gas producing electrode of a chlor-alkali diaphragm cell is disclosed. The method includes positioning an exposed metal tip of a reference electrode from about 0.2 to about 1.0 mm away from the gas producing electrode within a stream of gas produced by the gas producing electrode. The apparatus includes the reference electrode so positioned. Platinized platinum wire and a RuO.sub.2 --TiO.sub.2 coated Ti wire are preferred as the reference electrodes for cathode and anode, respectively.
    Type: Grant
    Filed: May 22, 1978
    Date of Patent: August 7, 1979
    Assignee: Olin Corporation
    Inventors: Han C. Kuo, George W. Geren, Thomas E. Corvin, Byung K. Ahn
  • Plated metallic cathode
    Patent number: 4162204
    Abstract: A highly conductive and corrosion resistant low hydrogen overvoltage cathode. The cathode comprises a copper substrate plated with an alloy of nickel and molybdenum.
    Type: Grant
    Filed: April 3, 1978
    Date of Patent: July 24, 1979
    Assignee: Olin Corporation
    Inventor: Han C. Kuo
  • Solar energy collection system
    Patent number: 4161170
    Abstract: A solar energy collection system which employs an asymmetric gas such as ammonia in an enclosed gas space between a black-coated solar energy absorber plate and the ambient atmosphere is described. The asymmetric gas allows solar radiation to be transmitted to the absorber plate where the radiation is converted into thermal energy. However, the asymmetric gas prevents re-radiation of infrared thermal radiation into the ambient atmosphere.
    Type: Grant
    Filed: November 17, 1977
    Date of Patent: July 17, 1979
    Assignee: Olin Corporation
    Inventor: Bernard H. Nicolaisen
  • Alkoxy-bis (trialkoxysiloxy)-silane surfactants
    Patent number: 4160776
    Abstract: Novel surface active agents are disclosed having the formula: ##STR1## wherein R is hydrogen, an alkyl, alkenyl, aryl or aralkyl group; each R' is independently selected from the same group as R with the proviso that at least a majority of R' radicals attached to each Si atom are sterically hindered alkyl groups having at least 3 carbon atoms; R" is alkyl or alkenyl of 1-20 carbons; R'" is hydrogen or methyl; and n is an integer of from about 5 to about 50.
    Type: Grant
    Filed: June 29, 1978
    Date of Patent: July 10, 1979
    Assignee: Olin Corporation
    Inventors: Michael Scardera, David F. Gavin
  • In situ reduction of electrode overvoltage
    Patent number: 4160704
    Abstract: A method and apparatus for in situ reduction of cathode overvoltage in electrolytic cells. The method involves introducing low overvoltage or noble metal ions into the catholyte solution and plating those ions on the cathode in situ. The apparatus includes a low overvoltage or noble metal ion generating device for introducing low overvoltage or noble metal ions into the cathode solution so as to plate them in situ on the cathode during or prior to cell operation.
    Type: Grant
    Filed: November 21, 1977
    Date of Patent: July 10, 1979
    Assignee: Olin Corporation
    Inventors: Han C. Kuo, Byung K. Ahn, Ronald L. Dotson, Kenneth E. Woodard, Jr.
  • Generation of polyurethane foam
    Patent number: 4158535
    Abstract: An improvement in the generation of foam from a mixture of foam-forming material in a structure having a preferred configuration. Conveying means are used to convey the structure along a horizontal path. A plurality of foam gun heads are mounted in spaced relationship to each other over and transverse to said horizontal path. Each foam gun head includes a foam dispensing outlet and valve means for controlling the discharges of the foam-forming materials therefrom. First, sensing means are provided upstream of the foam dispensing outlets for sensing the passage of the structure thereby. A plurality of second sensing means are positioned upstream of the foam dispensing outlets in spaced relationship to each other in a direction transverse to the horizontal path, each one of the second sensing means being associated with one foam gun head for sensing the presence of the structure in a vertical direction.
    Type: Grant
    Filed: January 25, 1977
    Date of Patent: June 19, 1979
    Assignee: Olin Corporation
    Inventor: Gerald V. Dever, Jr.
  • Process for producing a purified 3,4-toluenediamine product and a mixture of 4- and 5-methylbenzotriazoles from a mixture of ortho-toluenediamine isomers
    Patent number: 4158660
    Abstract: A process for producing a purified 3,4-toluenediamine product and a mixture of 4- and 5-methylbenzotriazoles from a mixture of ortho-toluenediamine isomers, the process having the steps of(a) dissolving a mixture of ortho-toluenediamine isomers in water to form an aqueous solution;(b) cooling the aqueous solution to a temperature whereby crystals of a purified 3,4-toluenediamine product are formed in an aqueous mother liquor;(c) separating the purified 3,4-toluenediamine product crystals from the aqueous mother liquor;(d) reacting the aqueous mother liquor with a diazotization agent selected from sodium nitrite, potassium nitrite, nitrous acid and nitrous anhydride in the presence of acetic acid to form a reaction mixture containing a mixture of 4- and 5-methylbenzotriazoles; and(e) recovering the mixture of 4- and 5-methylbenzotriazoles from the reaction mixture.
    Type: Grant
    Filed: February 24, 1978
    Date of Patent: June 19, 1979
    Assignee: Olin Corporation
    Inventors: David F. Gavin, Alan E. Ardis, Lawrence E. Katz, John D. Schellberg
  • Catalytic epoxidation of alkylene compounds
    Patent number: 4157346
    Abstract: An epoxidation method is described wherein an alkylene compound is reacted with a peroxidic compound, e.g., H.sub.2 O.sub.2, in the presence of an improved molybdenum catalyst which is prepared by a selective reaction involving an oxygen-containing molybdenum compound, an amine, and an alkylene glycol.
    Type: Grant
    Filed: March 30, 1978
    Date of Patent: June 5, 1979
    Assignee: Olin Corporation
    Inventors: Ellwood L. Lines, Robert J. Fairbrother, John A. Herbst
  • Aqueous oxidizing bath composition for vat and sulfur dyes and a process for treating reduced dyes therewith
    Patent number: 4155709
    Abstract: A novel composition is described which is an aqueous oxidizing solution containing: (a) about 0.01 to about 10% by weight of an oxidant selected from the water-soluble iodate salts and the water-soluble bromate salts; (b) about 0.005% to about 5% by weight of a water-soluble vanadate salt; and (c) about 0.05 to about 10% of a water-soluble nitrate salt. An improved process for oxidizing vat or sulfur dyes is also described wherein the reduced form of the dye is oxidized by contact with the novel composition.
    Type: Grant
    Filed: July 24, 1978
    Date of Patent: May 22, 1979
    Assignee: Olin Corporation
    Inventor: Richard L. Doerr
  • Graft copolymers from unsaturated monomers and peroxy di-ester polyols and polyurethanes prepared therefrom
    Patent number: 4153643
    Abstract: Graft copolymers are prepared by the polymerization of an ethylenically unsaturated monomer, or a mixture of such monomers, in the presence of a peroxy di-ester polyol. Presence of the peroxy group in the polyol reactant itself serves as a free radical initiator site for the graft copolymerization reaction. The copolymers formed are utilized in the formulation of polyurethane compositions.
    Type: Grant
    Filed: October 18, 1977
    Date of Patent: May 8, 1979
    Assignee: Olin Corporation
    Inventors: Frank J. Preston, Theodore C. Kraus, Kiran B. Chandalia