1
Stanley K Baczek, G Howard McCain: Method of making sheet or shaped cation exchange membrane. Diamond Shamrock Corporation, John P Hazzard, November 3, 1981: US04298697 (134 worldwide citation)

Normally solid copolymers of a fluorinated vinyl monomer and a perfluorinated vinyl compound having a carboxyl and/or sulfonyl group attached directly to the perfluorinated vinyl group or indirectly through an alkyl or ether linkage have been found to be soluble in low molecular weight polymers of p ...


2
Edward L Giguere, Paul H Kaiser, Gordon M Campbell, Peter F Hoffman, Hansford Boutchyard Jr: Occupational health/environmental surveillance. Diamond Shamrock Corporation, Fay & Sharpe, August 31, 1982: US04347568 (129 worldwide citation)

A method and computer system manipulates data concerning the health of a plurality of employees, each of the employees working in at least one work location and being identifiable by an employee identification, each of the work locations being identifiable by a work location identification, substanc ...


3
Ronald L Dotson, Kevin J O Leary: Electrolytic production of high purity alkali metal hydroxide. Diamond Shamrock Corporation, Timothy E Tinkler, William A Skinner, May 24, 1977: US04025405 (82 worldwide citation)

Concentrated alkali metal hydroxide substantially free of alkali metal halide and other impurities is produced by the electrolysis of an alkali metal halide solution in an electrolytic cell having a dimensionally stable anode and a metal cathode separated by an electrically conductive stable selecti ...


4
Kevin J O Leary, Charles J Hora, Donald L DeRespiris: Production of alkali metal carbonates in a cell having a carboxyl membrane. Diamond Shamrock Corporation, Theodore J Dettling, April 3, 1979: US04147599 (63 worldwide citation)

An alkali metal carbonate substantially free of alkali metal chloride is efficiently produced by electrolyzing an alkali metal chloride in an electrolytic cell having anolyte and catholyte compartments separated by a cation-exchange hydraulically impermeable membrane comprised of a thin film of a fl ...


5
James A Rolls, Kenneth L Brenis: High bulk density rigid poly(vinyl chloride) resin powder composition and preparation thereof. Diamond Shamrock Corporation, Helen P Brush, December 16, 1980: US04239679 (60 worldwide citation)

Completely free flow characteristics are provided to a densified rigid poly(vinyl chloride) resin powder composition as prepared in a high shear mixer at an elevated temperature, by withholding at least a portion of the total filler requirement from the composition during the initial mixing cycle, a ...


6
Frank Solomon: Fibrillated matrix active layer for an electrode. Diamond Shamrock Corporation, John P Hazzard, Woodrow W Ban, October 19, 1982: US04354958 (55 worldwide citation)

The present disclosure is directed to an improved fibrillated matrix-type active layer for an electrode of improved strength and durability and capable of operation at high current density with enhanced resistance to mechanical failure, and to a process for producing such improved active layers. The ...


7
Michael J Covitch, Mark F Smith, Leo L Benezra: Electrolytic cell membrane/SPE formation by solution coating. Diamond Shamrock Corporation, Woodrow W Ban, June 7, 1983: US04386987 (47 worldwide citation)

A method for forming a membrane upon an electrode from a dispersed, perfluorocarbon copolymer. Perfluorocarbon is dispersed in a solvating medium, a substantial portion, but not necessarily all of the perfluorocarbon being solvated. The dispersion is applied to an electrode and the dispersion medium ...


8
Thomas G Strempel, Charles J Hora: Wafer electrode for an electrolytic cell. Diamond Shamrock Corporation, Bruce M Winchell, August 15, 1978: US04107022 (46 worldwide citation)

Disclosed is an improved wafer electrode for use in an electrolytic cell, having an access tube to direct a fluid across the electrode plate or to remove fluid from near the electrode plate within the cell. Cells employing the subject wafer electrode in an electrolytic cell can be used for various e ...


9
Stanley A Lipowski, John J Miskel Jr: Amphoteric water-in-oil self-inverting polymer emulsion. Diamond Shamrock Corporation, Leslie G Nunn Jr, May 18, 1982: US04330450 (46 worldwide citation)

An amphoteric water-in-oil self-inverting polymer emulsion is prepared which contains a copolymer of (1) a nonionic vinyl monomer and (2) an amphoteric vinyl monomer or a terpolymer of (1) a nonionic vinyl monomer, (2) an anionic vinyl monomer and (3) a cationic vinyl monomer in the aqueous phase, a ...


10
Alfred F Marks: Flowable aqueous composition of water-insoluble pesticide. Diamond Shamrock Corporation, Helen P Brush, April 6, 1976: US03948636 (46 worldwide citation)

An easily handled, flowable, pesticide composition contains as essential components in water as the sole liquid medium, from 10 to 60%, by weight, of at least one solid, substantially water-insoluble pesticidally-active ingredient; from 1 to 10%, by weight, of a water-soluble nonionic surfactant; an ...