Assignee
DIAMOND SHAMROCK CORP
328 patents
Top patents by PatentIndex Score
US4298697ANov 3, 1981
Method of making sheet or shaped cation exchange membrane
DIAMOND SHAMROCK CORP257 citations97
US4354958AOct 19, 1982
Fibrillated matrix active layer for an electrode
DIAMOND SHAMROCK CORP119 citations96
US4337140AJun 29, 1982
Strengthening of carbon black-teflon-containing electrodes
DIAMOND SHAMROCK CORP61 citations96
US4025405AMay 24, 1977
Electrolytic production of high purity alkali metal hydroxide
DIAMOND SHAMROCK CORP107 citations96
US4017375AApr 12, 1977
Bipolar electrode for an electrolytic cell
DIAMOND SHAMROCK CORP54 citations96
US4425949AJan 17, 1984
Process for removing undesirable substances from electrical devices
DIAMOND SHAMROCK CORP57 citations95
US4391844AJul 5, 1983
Method for making linings and coatings from soluble cross-linkable perfluorocarbon copolymers
DIAMOND SHAMROCK CORP56 citations95
US4386987AJun 7, 1983
Electrolytic cell membrane/SPE formation by solution coating
DIAMOND SHAMROCK CORP75 citations95
US4379772AApr 12, 1983
Method for forming an electrode active layer or sheet
DIAMOND SHAMROCK CORP88 citations95
US4345981AAug 24, 1982
Anodically polarized surface for biofouling and scale control
DIAMOND SHAMROCK CORP56 citations95
US4331528AMay 25, 1982
Coated metal electrode with improved barrier layer
DIAMOND SHAMROCK CORP81 citations95
US4330450AMay 18, 1982
Amphoteric water-in-oil self-inverting polymer emulsion
DIAMOND SHAMROCK CORP67 citations95
US4147599AApr 3, 1979
Production of alkali metal carbonates in a cell having a carboxyl membrane
DIAMOND SHAMROCK CORP98 citations95
US4147839AApr 3, 1979
Electrochemical cell with stirred slurry
DIAMOND SHAMROCK CORP60 citations95
US4100052AJul 11, 1978
Electrolytic generation of halogen biocides
DIAMOND SHAMROCK CORP87 citations95
US4469579ASep 4, 1984
Solid polymer electrolytes and electrode bonded with hydrophylic fluorocopolymers
DIAMOND SHAMROCK CORP74 citations94
US4278525AJul 14, 1981
Oxygen cathode for alkali-halide electrolysis cell
DIAMOND SHAMROCK CORP52 citations94
US4107022AAug 15, 1978
Wafer electrode for an electrolytic cell
DIAMOND SHAMROCK CORP59 citations94
US4347568AAug 31, 1982
Occupational health/environmental surveillance
DIAMOND SHAMROCK CORP173 citations93
US4469761ASep 4, 1984
Rechargeable lithium/sulfur ammoniate battery
DIAMOND SHAMROCK CORP37 citations92
US4459197AJul 10, 1984
Three layer laminated matrix electrode
DIAMOND SHAMROCK CORP29 citations92
US4456521AJun 26, 1984
Three layer laminate
DIAMOND SHAMROCK CORP45 citations92
US4440617AApr 3, 1984
Non-bleeding electrode
DIAMOND SHAMROCK CORP28 citations92
US4431567AFeb 14, 1984
Process for preparing electrodes using precious metal-catalyst containing partially fluorinated active carbon
DIAMOND SHAMROCK CORP32 citations92
US4425217AJan 10, 1984
Anode with lead base and method of making same
DIAMOND SHAMROCK CORP33 citations92
US4405544ASep 20, 1983
Strengthening of carbon black-teflon-containing electrode
DIAMOND SHAMROCK CORP34 citations92
US4392917AJul 12, 1983
Amphoteric water-in-oil self-inverting polymer emulsion
DIAMOND SHAMROCK CORP29 citations92
US4363886ADec 14, 1982
Preparation of amphoteric water-in-oil self-inverting polymer emulsion
DIAMOND SHAMROCK CORP38 citations92
US4344633AAug 17, 1982
Gasket for electrolytic cell
DIAMOND SHAMROCK CORP29 citations92
US4339325AJul 13, 1982
One pass process for forming electrode backing sheet
DIAMOND SHAMROCK CORP43 citations92
US4273628AJun 16, 1981
Production of chromic acid using two-compartment and three-compartment cells
DIAMOND SHAMROCK CORP35 citations92
US4244802AJan 13, 1981
Monopolar membrane cell having metal laminate cell body
DIAMOND SHAMROCK CORP30 citations92
US4192725AMar 11, 1980
Electrolytic production of high purity alkali metal hydroxide
DIAMOND SHAMROCK CORP35 citations92
US4080270AMar 21, 1978
Production of alkali metal carbonates in a membrane cell
DIAMOND SHAMROCK CORP78 citations92
US4436601AMar 13, 1984
Metal removal process
DIAMOND SHAMROCK CORP57 citations91
US4399020AAug 16, 1983
Device for waste water treatment
DIAMOND SHAMROCK CORP63 citations91
US4382135AMay 3, 1983
Radiation-hardenable diluents
DIAMOND SHAMROCK CORP34 citations91
US4381290AApr 26, 1983
Method and catalyst for making chlorine dioxide
DIAMOND SHAMROCK CORP38 citations91
US4362707ADec 7, 1982
Preparation of chlorine dioxide with platinum group metal oxide catalysts
DIAMOND SHAMROCK CORP47 citations91
US4350608ASep 21, 1982
Oxygen cathode for alkali-halide electrolysis and method of making same
DIAMOND SHAMROCK CORP33 citations91
US4272560AJun 9, 1981
Method of depositing cation exchange membrane on a foraminous cathode
DIAMOND SHAMROCK CORP30 citations91
US4108752AAug 22, 1978
Electrolytic cell bank having spring loaded intercell connectors
DIAMOND SHAMROCK CORP70 citations91
US4024044AMay 17, 1977
Electrolysis cathodes bearing a melt-sprayed and leached nickel or cobalt coating
DIAMOND SHAMROCK CORP38 citations91
US4421579ADec 20, 1983
Method of making solid polymer electrolytes and electrode bonded with hydrophyllic fluorocopolymers
DIAMOND SHAMROCK CORP43 citations90
US4391645AJul 5, 1983
Additives for cementitious materials
DIAMOND SHAMROCK CORP32 citations90
US4384894AMay 24, 1983
Composition and process for modifying gelation of alkali metal silicates
DIAMOND SHAMROCK CORP28 citations90
US4266975AMay 12, 1981
Anticorrosive coating composition
DIAMOND SHAMROCK CORP36 citations90
US4243503AJan 6, 1981
Method and electrode with admixed fillers
DIAMOND SHAMROCK CORP30 citations90
US4021365AMay 3, 1977
Silica base defoamer compositions with improved stability
DIAMOND SHAMROCK CORP57 citations90
US3943044AMar 9, 1976
Method for treating sewage water
DIAMOND SHAMROCK CORP40 citations90
Showing the top 50 of 328 patents by PatentIndex Score.