Patents Represented by Attorney Mark Levin
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Patent number: 4636286Abstract: Discloses a solid electrolyte containing entrapped, mobile, ion transport means, which may either divide an electrolytic cell into two compartments or be immersed in a single electrolyte.Type: GrantFiled: March 25, 1983Date of Patent: January 13, 1987Assignee: PPG Industries, Inc.Inventors: Norman R. DeLue, Stanley R. Pickens
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Patent number: 4512857Abstract: Disclosed is a method of operating an electrolytic cell having an active, catalytic cathode and an iron structure in contact with an alkaline electrolyte. The dissolution of iron into the electrolyte is reduced by a sacrificial anode in proximity to, and preferably in contact with, the iron structure.Type: GrantFiled: November 24, 1982Date of Patent: April 23, 1985Assignee: PPG Industries, Inc.Inventor: Ronald D. Chamberlin
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Patent number: 4484989Abstract: Discloses a solid polymer electrolyte having ring ethers bonded to a polymer matrix, with metal ions chelated by the ring ethers.Type: GrantFiled: March 25, 1983Date of Patent: November 27, 1984Assignee: PPG Industries, Inc.Inventor: John D. Mansell
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Patent number: 4472252Abstract: Discloses gas phase electro-organic synthesis utilizing a solid electrolyte, including anodic oxidation of olefins, and co-production of chlorine and aniline. Also discloses a solid polymer electrolyte having transition metal electrocatalyst bonded thereto by polydentate ligands.Type: GrantFiled: March 25, 1983Date of Patent: September 18, 1984Assignee: PPG Industries, Inc.Inventor: Norman R. DeLue
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Patent number: 4472251Abstract: Discloses electro-organic synthesis of fluorocarbons, and organic sulfur compounds.Type: GrantFiled: March 25, 1983Date of Patent: September 18, 1984Assignee: PPG Industries, Inc.Inventor: Stanley R. Pickens
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Patent number: 4469808Abstract: Disclosed is the preparation of electrodes provided by depositing hydrophilic electrolyte resistant resin atop an electrocatalyst on a metallic substrate and treating the resin to cause it to flow whereby to obtain a firmly bonded assembly of resin, electrocatalyst and metallic substrate.Type: GrantFiled: January 17, 1983Date of Patent: September 4, 1984Assignee: PPG Industries, Inc.Inventor: Malcolm Korach
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Patent number: 4462876Abstract: Discloses the electro-organic oxidation of saturated hydrocarbons to yield alcohols glycols, aldehydes, acids, carbonates and alkylene oxides.Type: GrantFiled: March 25, 1983Date of Patent: July 31, 1984Assignee: PPG Industries, Inc.Inventors: Norman R. DeLue, Malcolm Korach
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Patent number: 4461692Abstract: Discloses an electrolytic cell having base-to-base bipolar electrodes in side-by-side configuration in a cell box where the cathodes are fabricated of titanium. The cathodes adjacent to external walls are perforated whereby to avoid hydride formation.Type: GrantFiled: May 26, 1982Date of Patent: July 24, 1984Assignee: PPG Industries, Inc.Inventor: Carl W. Raetzsch, Jr.
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Patent number: 4454011Abstract: Discloses the electro-organic synthesis of carboxylic acids utilizing gaseous CO.sub.2 in a solid electrolyte electrolytic cell.Type: GrantFiled: March 25, 1983Date of Patent: June 12, 1984Assignee: PPG Industries, Inc.Inventors: Malcolm Korach, Stanley R. Pickens
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Patent number: 4448662Abstract: Disclosed is a solid polymer electrolyte electrolytic cell, e.g., for chlorine production, where the electrodes are in compressive contact with and removable from the permionic membrane.Type: GrantFiled: May 19, 1983Date of Patent: May 15, 1984Assignee: PPG Industries, Inc.Inventors: Donald W. DuBois, William B. Darlington
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Patent number: 4445985Abstract: Gaseous organic compounds are reacted at the surface of the electrode in a cell having a solid polymer electrolyte and externally applied current. The improvement passes water vapor to the solid polymer electrolyte to maintain the water of hydration in the solid polymer electrolyte.Type: GrantFiled: March 25, 1983Date of Patent: May 1, 1984Assignee: PPG Industries, Inc.Inventor: Malcolm Korach
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Patent number: 4348301Abstract: A colloidal dispersion of hydrous antimony pentoxide particles is made by a process which comprises introducing a particulate antimony component selected from the group consisting of antimony metal, oxidizable antimony oxides and mixtures thereof into an essentially aqueous medium and contacting said antimony component with hydrogen peroxide at a temperature of from about 0.degree. C. to about the decomposition temperature of the reaction mixture for a length of time sufficient to convert at least a portion of the antimony component to colloidal particles of hydrous antimony pentoxide.Type: GrantFiled: August 10, 1976Date of Patent: September 7, 1982Assignee: PPG Industries, Inc.Inventors: Charles E. Crompton, Abdulla M. Z. Kazi, Inderjit S. Soni
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Patent number: 4094808Abstract: Disclosed is a solubility stable bleaching formulation in the form of an encapsulated core. The core comprises particles of tabular habit diperisophthalic acid (DPI) in admixture with particles of inorganic salt substantially more water-soluble than the diperisophthalic acid. The bleaching formulation maintains a high rate of solution in water after storage under conditions of temperature fluctuation.Type: GrantFiled: April 19, 1977Date of Patent: June 13, 1978Assignee: PPG Industries, Inc.Inventors: Dorothy A. Stewart, Bobby D. Ricketts, Charles H. Hoelscher
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Patent number: 4059655Abstract: Halogenated diaryl hydrogen phosphates having in admixture only a minor proportion of monoaryl and triaryl phosphates are prepared by selectively hydrolyzing a corresponding triaryl phosphate or by reacting 2,6-dihalophenols having bromine or iodine atoms in the 2 and 6 positions with a phosphorous oxyhalide in the presence of an aromatic tertiary amine or carboxylic acid amide and, preferably, an inert organic solvent to form a mixture of diarylphosphorohalidate and triaryl phosphate and hydrolyzing the mixture.Type: GrantFiled: November 24, 1975Date of Patent: November 22, 1977Assignee: PPG Industries, Inc.Inventor: John C. Crano
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Patent number: 4056491Abstract: Disclosed is trisulfosuccinic acid and salts thereof described by the formula: ##STR1## where one of R.sub.1, R.sub.2, R.sub.3 or R.sub.4 is hydrogen and the remainder are SO.sub.3 M; and where M may be the same or different cation selected from hydrogen or an alkali metal. These compounds may be prepared by aqueous liquid phase reaction of a dihalomaleic anhydride, alkali metal hydroxide and an alkali metal sulfite and are useful as detergent builders.Type: GrantFiled: July 30, 1976Date of Patent: November 1, 1977Assignee: PPG Industries, Inc.Inventor: Donald R. Nielsen
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Patent number: 4039719Abstract: An inexpensive laminated safety glass excelling in resistance to penetration as well as in its low temperature properties, which is hardly discolored with the passage of time, which comprises a laminated assembly of at least two sheets of glass between which is interposed a layer of a polyurethane elastomer, said sheets and said layer being firmly bonded together, said layer of polyurethane elastomer being obtained by curing, in the presence of curing agent, a polyurethane prepolymer having --NCO group at its both ends produced by reacting a diisocyanate with a polyester having --OH group at its both ends which has been obtained by reacting the dicarboxylic acids and their acid anhydrides with at least one kind of glycol, and the process for producing the same.Type: GrantFiled: June 26, 1975Date of Patent: August 2, 1977Assignee: PPG Industries, Inc.Inventors: Tadashi Matsuda, Kunia Yanagisawa
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Patent number: 4022609Abstract: Fluorinated carbonates are described which are useful as miticides. These carbonates often possess herbicidal, insecticidal, and/or fungicidal properties. Examples of the fluorinated carbonates are 2',4'-dinitro-6'-sec-butylphenyl-2,2,2-trifluoroethyl carbonate; 2',4'-dinitro-6'-sec-butylphenyl-2,2,3,3-tetrafluoropropyl carbonate and 2',4'-dinitro-6'-cyclohexylphenyl 2,2,3,3-tetrafluoropropyl carbonate.Type: GrantFiled: September 12, 1974Date of Patent: May 10, 1977Assignee: PPG Industries, Inc.Inventors: Donald E. Hardies, Jay K. Rinehart
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Patent number: 3984227Abstract: Desirable herbicidal and fertilizing effects are obtained by applying to soil an effective amount of a mixture of sodium azide with ammonia. Anhydrous or water-containing solutions of sodium azide in ammonia may be used.Type: GrantFiled: April 5, 1972Date of Patent: October 5, 1976Assignee: PPG Industries, Inc.Inventors: William C. McConnell, Henry W. Rahn
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Patent number: 3959487Abstract: Chlorinated (alkylthio)phenols, chlorinated (alkenylthio)phenols, and chlorinated (cycloalkylthio)phenols are described which are useful as miticides. These phenols often possess herbicidal, insecticidal, and/or fungicidal properties. Examples of these compounds are 2,3,5,6-tetrachloro-4-(methylthio)phenol and 2,3,6-trichloro-4-(methylthio)phenol.Type: GrantFiled: July 26, 1974Date of Patent: May 25, 1976Assignee: PPG Industries, Inc.Inventors: William E. Bissinger, Donald E. Hardies, Jerome M. Lavanish
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Patent number: 3938986Abstract: Herbicidally active alkyl N-phenylcarbamates are employed in combination with phenyl esters of N-alkylcarbamic acid or N,N-dialkylcarbamic acid. For example, a herbicidally active isopropyl N-phenylcarbamate is formulated in admixture with a phenyl N-methylcarbamate. The presence of the N-alkylcarbamate enhances the effectiveness of the N-phenylcarbamate as a herbicide by extending its soil persistence, increasing its herbicidal activity and/or altering its spectrum of practical herbicidal activity.Type: GrantFiled: July 28, 1970Date of Patent: February 17, 1976Assignee: PPG Industries, Inc.Inventor: Blaine O. Pray