Patents for C25B 15 - Operating or servicing of cells (4,262) |
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06/27/1978 | US4097358 Apparatus for release of an entrained gas in a liquid medium |
06/27/1978 | US4097354 Continuous process for electrolytic refining and electrowinning of elements and compounds |
05/09/1978 | US4088556 Monitoring moving particle electrodes |
05/09/1978 | US4088550 Periodic removal of cathodic deposits by intermittent reversal of the polarity of the cathodes |
05/02/1978 | US4087344 Electrolytic cell |
05/02/1978 | US4087337 Reversing polarity |
04/25/1978 | US4086150 Chromate removal by precipitation |
04/18/1978 | US4085014 Elimination of impurities from sea water cell feed to prevent anode deposits |
04/04/1978 | US4082639 Method and apparatus for mercury cell anode adjustment |
04/04/1978 | US4082630 Electrolytic cell brine feed system |
03/28/1978 | US4081656 Arc-assisted oxy/hydrogen welding |
03/21/1978 | US4080277 Short circuit protection for horizontal mercury electrolytic cells |
03/14/1978 | US4078985 Hydrogen generator |
03/14/1978 | US4078978 Purification of electrolysis brine for diaphragm cells |
03/07/1978 | US4077863 Pressure electrolyzer |
02/14/1978 | US4073706 Brine treatment for trace metal removal |
01/17/1978 | US4069118 Current measurement |
01/10/1978 | US4067793 Automatic remote control system for mercury cells for the production of chlorine and caustic soda |
11/29/1977 | US4060465 Method of purifying the raw brine used in alkali salt electrolysis |
11/22/1977 | US4059495 Method of electrolyte feeding and recirculation in an electrolysis cell |
11/08/1977 | US4057474 Electrolytic production of alkali metal hydroxide |
11/08/1977 | US4057473 Method of reducing cell liquor header corrosion |
11/01/1977 | US4056448 Process for brine membrane cell operation with external caustic and nacl concentration control |
10/25/1977 | US4055751 Process control system for the automatic analysis and regeneration of galvanic baths |
10/18/1977 | US4054502 Quick start electrolysis apparatus |
10/04/1977 | US4052287 Electrolytic system and novel electrolytic cells and reactor therefor |
09/06/1977 | US4046687 Or bismuth from an aqueous solutionusing salt or ester of phosphoric acid |
08/09/1977 | US4040936 Gas flow rate controller |
08/09/1977 | US4040919 In a three-compartment cell, increasing anolyte acidity, diluting electrolyte, reducing current density |
07/26/1977 | US4038162 Method and apparatus for detecting and eliminating short-circuits in an electrolytic tank |
07/12/1977 | US4035771 Process for the remote transmission and indication of electrical measured values in electrolysis cells |
07/12/1977 | US4035268 Process for the control of mercury cathode electrolysis cells |
06/21/1977 | US4031001 Electrolytic cell for the production of alkali metal hydroxides having removable orifices for metering fluids to the anode and cathode compartments |
06/21/1977 | US4030998 Detection of short circuits |
05/24/1977 | US4025400 Process and apparatus for the recovery of particulate crystalline product from an electrolysis system |
03/29/1977 | US4014777 Welding |
01/25/1977 | US4004989 Method for automatic adjustment of anodes based upon current density and current |
01/18/1977 | US4003808 Method and apparatus for regulating and controlling the anode current and for avoiding short-circuits between the electrodes of an electrolysis cell |
01/11/1977 | US4002552 Liquid level control system |
12/21/1976 | US3998709 Treating remains containing sodium chloride and sodium sulphate |
12/14/1976 | US3997414 Gas concentrated and cooled electrolytic cell |
11/09/1976 | US3990961 Annular brine head equalizer |
10/26/1976 | US3988235 Vertical diaphragm type electrolytic apparatus for caustic soda production |
10/26/1976 | US3988223 By shifting the ph gradient and forming chelates in the anolyte solution |
10/12/1976 | US3985631 Pretreatment and start-up of electrolytic cell membranes |
09/28/1976 | US3983025 Apparatus for regulating anode-cathode spacing in an electrolytic cell |
09/21/1976 | US3981787 Electrochemical circulating bed cell |
09/14/1976 | US3980751 From alkali metal- chlorate and -chloride |
09/07/1976 | US3979276 Silicate treated asbestos diaphragms for electrolytic cells |
08/10/1976 | US3974051 Electrolysis |
08/10/1976 | US3974049 Electrochemical process |
08/03/1976 | US3972796 Electrolytic apparatus |
07/06/1976 | US3968021 Electrolytic cell having hydrogen gas disengaging apparatus |
06/29/1976 | US3966571 Method of operating a dynamically packed bed electrode electrochemical cell system |
06/01/1976 | US3960694 Novel anode adjustment apparatus |
05/04/1976 | US3954592 Electrolysis apparatus |
04/06/1976 | US3948748 Apparatus for the production of alkali metal chlorates |
03/23/1976 | US3945892 Electrochemical process and apparatus including means for equalizing pressure across the ion-permeable wall |
03/16/1976 | US3944473 Method for influencing an electrocatalytic reaction proceeding at an electrode |
03/02/1976 | US3942104 Cell balance detector for electrolytic cell assemblies |
03/02/1976 | US3941667 Potassium chloride brine cycle |
01/06/1976 | US3930981 Bipolar electrolysis cells with perforate metal anodes and baffles to deflect anodic gases away from the interelectrodic gap |