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