NL161202B - Werkwijze en inrichting voor de elektrolyse van waterige halogenideoplossingen. - Google Patents

Werkwijze en inrichting voor de elektrolyse van waterige halogenideoplossingen.

Info

Publication number
NL161202B
NL161202B NL7214265.A NL7214265A NL161202B NL 161202 B NL161202 B NL 161202B NL 7214265 A NL7214265 A NL 7214265A NL 161202 B NL161202 B NL 161202B
Authority
NL
Netherlands
Prior art keywords
alkali metal
electrolysis
membrane film
metal halide
halogenide
Prior art date
Application number
NL7214265.A
Other languages
English (en)
Other versions
NL7214265A (nl
Original Assignee
Diamond Shamrock Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Diamond Shamrock Corp filed Critical Diamond Shamrock Corp
Publication of NL7214265A publication Critical patent/NL7214265A/
Publication of NL161202B publication Critical patent/NL161202B/nl

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
    • C08J5/20—Manufacture of shaped structures of ion-exchange resins
    • C08J5/22—Films, membranes or diaphragms
    • C08J5/2206—Films, membranes or diaphragms based on organic and/or inorganic macromolecular compounds
    • C08J5/2218—Synthetic macromolecular compounds
    • C08J5/2231—Synthetic macromolecular compounds based on macromolecular compounds obtained by reactions involving unsaturated carbon-to-carbon bonds
    • C08J5/2237—Synthetic macromolecular compounds based on macromolecular compounds obtained by reactions involving unsaturated carbon-to-carbon bonds containing fluorine
    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
    • C25B1/00—Electrolytic production of inorganic compounds or non-metals
    • C25B1/01—Products
    • C25B1/34—Simultaneous production of alkali metal hydroxides and chlorine, oxyacids or salts of chlorine, e.g. by chlor-alkali electrolysis
    • C25B1/46—Simultaneous production of alkali metal hydroxides and chlorine, oxyacids or salts of chlorine, e.g. by chlor-alkali electrolysis in diaphragm cells
    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
    • C25B9/00—Cells or assemblies of cells; Constructional parts of cells; Assemblies of constructional parts, e.g. electrode-diaphragm assemblies; Process-related cell features
    • C25B9/17—Cells comprising dimensionally-stable non-movable electrodes; Assemblies of constructional parts thereof
    • C25B9/19—Cells comprising dimensionally-stable non-movable electrodes; Assemblies of constructional parts thereof with diaphragms
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2327/00—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Derivatives of such polymers
    • C08J2327/02—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Derivatives of such polymers not modified by chemical after-treatment
    • C08J2327/12—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Derivatives of such polymers not modified by chemical after-treatment containing fluorine atoms
NL7214265.A 1971-10-21 1972-10-20 Werkwijze en inrichting voor de elektrolyse van waterige halogenideoplossingen. NL161202B (nl)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/191,424 US4025405A (en) 1971-10-21 1971-10-21 Electrolytic production of high purity alkali metal hydroxide

Publications (2)

Publication Number Publication Date
NL7214265A NL7214265A (nl) 1973-04-25
NL161202B true NL161202B (nl) 1979-08-15

Family

ID=22705454

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7214265.A NL161202B (nl) 1971-10-21 1972-10-20 Werkwijze en inrichting voor de elektrolyse van waterige halogenideoplossingen.

Country Status (17)

Country Link
US (1) US4025405A (nl)
JP (1) JPS4861397A (nl)
AR (1) AR196207A1 (nl)
AT (1) AT319277B (nl)
AU (1) AU6427974A (nl)
BE (1) BE790369A (nl)
BR (1) BR7207368D0 (nl)
CA (1) CA1036975A (nl)
DE (1) DE2251660B2 (nl)
FI (1) FI56704B (nl)
FR (1) FR2156858B1 (nl)
GB (1) GB1402920A (nl)
IL (1) IL40630A (nl)
IT (1) IT966439B (nl)
LU (1) LU66331A1 (nl)
NL (1) NL161202B (nl)
ZA (1) ZA727499B (nl)

Families Citing this family (97)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4192725A (en) * 1971-10-21 1980-03-11 Diamond Shamrock Corporation Electrolytic production of high purity alkali metal hydroxide
US3976549A (en) * 1973-02-26 1976-08-24 Hooker Chemicals & Plastics Corporation Electrolysis method
DE2437395C3 (de) * 1973-10-15 1979-02-08 E.I. Du Pont De Nemours And Co., Wilmington, Del. (V.St.A.) Folie aus fluorhaltigen Polymeren mit Sulfonylgruppen enthaltenden Seitenketten
JPS551351B2 (nl) * 1974-03-07 1980-01-12
SE432447B (sv) * 1974-03-09 1984-04-02 Asahi Chemical Ind Sett att utfora elektrolys i en elektrolyscell
JPS5111098A (en) * 1974-07-19 1976-01-28 Asahi Glass Co Ltd Suisankakariumuno seizohoho
JPS5154082A (ja) * 1974-11-08 1976-05-12 Asahi Glass Co Ltd Yoionkokanmaku
IT1061477B (it) * 1975-07-09 1983-02-28 Asahi Chemical Ind Membrana scambiatrice di cationi sua preparazione e suo impiego
JPS529700A (en) * 1975-07-15 1977-01-25 Asahi Chem Ind Co Ltd Manufacturing method of high purity caustic soda solution
JPS5231331A (en) * 1975-09-03 1977-03-09 Seiko Instr & Electronics Separator for alkaline battery
JPS5833312B2 (ja) * 1975-10-28 1983-07-19 旭化成株式会社 カセイアルカリスイヨウエキノノウシユクホウ
JPS5926671B2 (ja) * 1975-11-19 1984-06-29 呉羽化学工業株式会社 イオンコウカンマクデンカイホウホウ
JPS5284194A (en) * 1975-12-30 1977-07-13 Asahi Glass Co Ltd Electrolysis of alkali chloride
JPS534796A (en) * 1976-07-05 1978-01-17 Asahi Chem Ind Co Ltd Electrolysis of pressurized alkali halide
CA1117895A (en) * 1976-12-17 1982-02-09 Basf Wyandotte Corporation Method of reducing chlorate formation in a chlor-alkali electrolytic cell
USRE30864E (en) * 1977-06-27 1982-02-09 Olin Corporation Process for electrolysis in a membrane cell employing pressure actuated uniform spacing
US4129493A (en) * 1977-06-30 1978-12-12 Diamond Shamrock Corporation Swimming pool chlorinator system
US4124458A (en) * 1977-07-11 1978-11-07 Innova, Inc. Mass-transfer membrane and processes using same
JPS5337198A (en) * 1977-07-15 1978-04-06 Asahi Chem Ind Co Ltd Electrolytic method of sodium chloride
GB2007260B (en) * 1977-09-22 1982-02-24 Kanegafuchi Chemical Ind Method of electrolysis of alkai metal chloride
US4142950A (en) * 1977-11-10 1979-03-06 Basf Wyandotte Corporation Apparatus and process for electrolysis using a cation-permselective membrane and turbulence inducing means
US4224121A (en) * 1978-07-06 1980-09-23 General Electric Company Production of halogens by electrolysis of alkali metal halides in an electrolysis cell having catalytic electrodes bonded to the surface of a solid polymer electrolyte membrane
US4191618A (en) * 1977-12-23 1980-03-04 General Electric Company Production of halogens in an electrolysis cell with catalytic electrodes bonded to an ion transporting membrane and an oxygen depolarized cathode
US4219394A (en) * 1978-03-22 1980-08-26 Diamond Shamrock Corporation Membrane assembly for electrolytic cells
US4230543A (en) * 1978-04-07 1980-10-28 Showa Denko K.K. Cathode for electrolysis of aqueous solution of alkali metal halide
US4196068A (en) * 1978-06-26 1980-04-01 Scoville Frank J Chlorine gas producing apparatus
US4242193A (en) * 1978-11-06 1980-12-30 Innova, Inc. Layered membrane and processes utilizing same
JPS5946316B2 (ja) * 1978-12-28 1984-11-12 鐘淵化学工業株式会社 電解法
US4248680A (en) * 1979-01-24 1981-02-03 Ppg Industries, Inc. Electrolytic process and apparatus
US4212714A (en) * 1979-05-14 1980-07-15 General Electric Company Electrolysis of alkali metal halides in a three compartment cell with self-pressurized buffer compartment
US4384937A (en) * 1979-05-29 1983-05-24 Diamond Shamrock Corporation Production of chromic acid in a three-compartment cell
US4273628A (en) * 1979-05-29 1981-06-16 Diamond Shamrock Corp. Production of chromic acid using two-compartment and three-compartment cells
US4272338A (en) * 1979-06-06 1981-06-09 Olin Corporation Process for the treatment of anolyte brine
US4230544A (en) * 1979-08-31 1980-10-28 Ionics Inc. Method and apparatus for controlling anode pH in membrane chlor-alkali cells
US4337137A (en) * 1980-06-11 1982-06-29 The Dow Chemical Company Composite ion exchange membranes
US4358412A (en) * 1980-06-11 1982-11-09 The Dow Chemical Company Preparation of vinyl ethers
US4515989A (en) * 1980-06-11 1985-05-07 The Dow Chemical Company Preparation decarboxylation and polymerization of novel acid flourides and resulting monomers
US4330654A (en) * 1980-06-11 1982-05-18 The Dow Chemical Company Novel polymers having acid functionality
US4470889A (en) * 1980-06-11 1984-09-11 The Dow Chemical Company Electrolytic cell having an improved ion exchange membrane and process for operating
US4804727A (en) * 1980-06-11 1989-02-14 The Dow Chemical Company Process to produce novel fluorocarbon vinyl ethers and resulting polymers
US4337211A (en) * 1980-06-11 1982-06-29 The Dow Chemical Company Fluorocarbon ethers having substituted halogen site(s) and process to prepare
US4337126A (en) * 1980-10-27 1982-06-29 Diamond Shamrock Corporation Electrolysis of carbonates to produce hydroxides
US4410404A (en) * 1981-06-26 1983-10-18 Diamond Shamrock Corporation Membrane cell at increased caustic concentration
US4394226A (en) * 1981-07-28 1983-07-19 Thiokol Corporation Electrolytic method for producing quaternary ammonium hydroxides
US4871703A (en) * 1983-05-31 1989-10-03 The Dow Chemical Company Process for preparation of an electrocatalyst
US4784900A (en) * 1985-05-31 1988-11-15 University Of Bath Method for sizing polytretrafluoroethylene fabrics
US5114515A (en) * 1985-05-31 1992-05-19 The Dow Chemical Company Method for forming polymer composite films using removable substrates
US4650711A (en) * 1985-05-31 1987-03-17 The Dow Chemical Company Method for sizing polytetrafluoroethylene fabrics
US5110385A (en) * 1985-05-31 1992-05-05 The Dow Chemical Company Method for forming polymer composite films using a removable substrate
US4610762A (en) * 1985-05-31 1986-09-09 The Dow Chemical Company Method for forming polymer films having bubble release surfaces
US4784882A (en) * 1985-05-31 1988-11-15 The Dow Chemical Company Method for forming composite polymer films
US4650551A (en) * 1985-05-31 1987-03-17 The Dow Chemical Company Supported ion exchange membrane films
US4666580A (en) * 1985-12-16 1987-05-19 The Dow Chemical Company Structural frame for an electrochemical cell
US4668372A (en) * 1985-12-16 1987-05-26 The Dow Chemical Company Method for making an electrolytic unit from a plastic material
US4668371A (en) * 1985-12-16 1987-05-26 The Dow Chemical Company Structural frame for an electrochemical cell
US4670123A (en) * 1985-12-16 1987-06-02 The Dow Chemical Company Structural frame for an electrochemical cell
US4666579A (en) * 1985-12-16 1987-05-19 The Dow Chemical Company Structural frame for a solid polymer electrolyte electrochemical cell
US4698243A (en) * 1986-06-20 1987-10-06 The Dow Chemical Company Method for sizing and hydrolyzing polytetrafluoroethylene fabrics, fibers, yarns, or threads
US4778723A (en) * 1986-06-20 1988-10-18 The Dow Chemical Company Method for sizing polytetrafluoroethylene fibers, yarn, or threads
US4731263A (en) * 1986-09-26 1988-03-15 The Dow Chemical Company Method for the preparation of ionomer films
US4738741A (en) * 1986-12-19 1988-04-19 The Dow Chemical Company Method for forming an improved membrane/electrode combination having interconnected roadways of catalytically active particles
US4889577A (en) * 1986-12-19 1989-12-26 The Dow Chemical Company Method for making an improved supported membrane/electrode structure combination wherein catalytically active particles are coated onto the membrane
US5039389A (en) * 1986-12-19 1991-08-13 The Dow Chemical Company Membrane/electrode combination having interconnected roadways of catalytically active particles
US4752370A (en) * 1986-12-19 1988-06-21 The Dow Chemical Company Supported membrane/electrode structure combination wherein catalytically active particles are coated onto the membrane
US4940525A (en) * 1987-05-08 1990-07-10 The Dow Chemical Company Low equivalent weight sulfonic fluoropolymers
US4900408A (en) * 1988-02-01 1990-02-13 E. I. Du Pont De Nemours & Co. Membrane electrolytic process for producing concentrated caustic
IT1230714B (it) * 1989-02-10 1991-10-29 Solvay Procedimento di fabbricazione di un solfuro di un metallo alcalino.
US5013414A (en) * 1989-04-19 1991-05-07 The Dow Chemical Company Electrode structure for an electrolytic cell and electrolytic process used therein
IT1251419B (it) * 1991-10-23 1995-05-09 Solvay Cella di elettrolisi per la produzione di un gas
BE1005716A3 (fr) * 1992-03-09 1993-12-28 Solvay Procede de fabricatiion d'hydroxyde de sodium.
US5433861A (en) * 1993-09-17 1995-07-18 The Dow Chemical Company Permanent deformation and use of sulfonated halopolymer articles
US5716504A (en) * 1995-07-10 1998-02-10 Asahi Glass Company Ltd. Cation exchange membrane for electrolysis and process for producing potassium hydroxide of high purity
US6123853A (en) * 1999-10-14 2000-09-26 Pioneer (East) Inc. Method for treating waste water used in alkali metal hydroxide manufacturing processes
US6080299A (en) * 1999-10-14 2000-06-27 Pioneer (East) Inc. Method for removal of nickel and iron from alkali metal hydroxide manufacturing process requiring the use of sodium borohydride
US6200455B1 (en) 1999-10-14 2001-03-13 Pioneer (East) Inc. Method for reducing the plating of nickel on vessels, piping and cells in an alkali metal hydroxide manufacturing process
US6123826A (en) * 1999-10-14 2000-09-26 Pioneer (East) Inc. Method for removal of nickel and iron from alkali metal hydroxide streams without requiring the use of sodium borohydride
US6375825B1 (en) 1999-10-28 2002-04-23 Chemical Products Corporation Process for the production of alkaline earth hydroxide
US20040035696A1 (en) * 2002-08-21 2004-02-26 Reinhard Fred P. Apparatus and method for membrane electrolysis for process chemical recycling
DE10347703A1 (de) * 2003-10-14 2005-05-12 Bayer Materialscience Ag Konstruktionseinheit für bipolare Elektrolyseure
EP1609887A1 (en) * 2004-06-22 2005-12-28 CHLORINE ENGINEERS CORP., Ltd. Ion exchange membrane electrolytic process
ITRM20050666A1 (it) * 2005-12-30 2007-06-30 E C A S S R L Blocco di reattori elettrolitici a membrana con quattro camere.
DE102006023261A1 (de) * 2006-05-18 2007-11-22 Bayer Materialscience Ag Verfahren zur Herstellung von Chlor aus Chlorwasserstoff und Sauerstoff
DE102006041465A1 (de) * 2006-09-02 2008-03-06 Bayer Materialscience Ag Verfahren zur Herstellung von Diarylcarbonat
DE102007058701A1 (de) 2007-12-06 2009-06-10 Bayer Materialscience Ag Verfahren zur Herstellung von Diarylcarbonat
DE102008011473A1 (de) 2008-02-27 2009-09-03 Bayer Materialscience Ag Verfahren zur Herstellung von Polycarbonat
DE102009017862A1 (de) 2009-04-17 2010-10-21 Bayer Materialscience Ag Verfahren zur Herstellung von Diarylcarbonat
DE102009023940A1 (de) 2009-06-04 2010-12-09 Bayer Materialscience Ag Verfahren zur Herstellung von Polycarbonat
US9453457B2 (en) 2010-03-15 2016-09-27 HNO Green Fuels, Inc. Hydrogen supplemental system for on-demand hydrogen generation for internal combustion engines
US9574492B2 (en) 2010-03-15 2017-02-21 HNO Green Fuels, Inc. Portable hydrogen supplemental system and method for lowering particulate matter and other emissions in diesel engines at idle
US8449754B2 (en) 2010-03-15 2013-05-28 Hno Greenfuels, Inc. Hydrogen supplemental system for on-demand hydrogen generation for internal combustion engines
US9399946B2 (en) 2010-05-28 2016-07-26 Donald W. Owens Hydrogen supplemental system for on-demand hydrogen generation for internal combustion engines
US9476357B2 (en) 2010-03-15 2016-10-25 HNO Green Fuels, Inc. Method and apparatus for increasing combustion efficiency and reducing particulate matter emissions in jet engines
US8499722B2 (en) 2010-05-28 2013-08-06 Hno Greenfuels, Inc. Hydrogen supplemental system for on-demand hydrogen generation for internal combustion engines
US8449736B2 (en) 2010-05-28 2013-05-28 Hno Greenfuels, Inc. Hydrogen supplemental system for on-demand hydrogen generation for internal combustion engines
US8757107B2 (en) 2010-05-28 2014-06-24 Hno Greenfuels, Inc. Hydrogen supplemental system for on-demand hydrogen generation for internal combustion engines
EP2751418A1 (en) * 2011-09-02 2014-07-09 Donald Wade Owens Hydrogen supplemental system for on-demand hydrogen generation for internal combustion engines
EP4083106B1 (de) 2021-04-30 2024-04-10 Covestro Deutschland AG Verfahren zur herstellung von polycarbonat mit verbesserter nachhaltigkeit

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2967807A (en) * 1952-01-23 1961-01-10 Hooker Chemical Corp Electrolytic decomposition of sodium chloride
US3282875A (en) * 1964-07-22 1966-11-01 Du Pont Fluorocarbon vinyl ether polymers
GB1184321A (en) 1968-05-15 1970-03-11 Du Pont Electrochemical Cells
US3562008A (en) * 1968-10-14 1971-02-09 Ppg Industries Inc Method for producing a ruthenium coated titanium electrode
US3694281A (en) * 1969-04-28 1972-09-26 Pullman Inc Process for forming a diaphragm for use in an electrolytic cell
US3663414A (en) * 1969-06-27 1972-05-16 Ppg Industries Inc Electrode coating
FR2021289A5 (en) * 1969-08-29 1970-07-17 Bitterfeld Chemie Electrolysis cell for aqueous salt solns
US3657104A (en) * 1970-11-05 1972-04-18 Ionics Bifunctional cation exchange membranes and their use in electrolyticcells
US3684543A (en) * 1970-11-19 1972-08-15 Patricia J Barbato Recoating of electrodes

Also Published As

Publication number Publication date
IL40630A0 (en) 1972-12-29
FI56704B (fi) 1979-11-30
BR7207368D0 (pt) 1973-10-09
AR196207A1 (es) 1973-12-10
BE790369A (fr) 1973-04-20
AT319277B (de) 1974-12-10
US4025405A (en) 1977-05-24
IT966439B (it) 1974-02-11
FR2156858B1 (nl) 1976-05-21
FR2156858A1 (nl) 1973-06-01
IL40630A (en) 1976-01-30
AU6427974A (en) 1975-07-10
CA1036975A (en) 1978-08-22
NL7214265A (nl) 1973-04-25
DE2251660A1 (de) 1973-04-26
DE2251660B2 (de) 1976-09-02
LU66331A1 (nl) 1973-10-30
JPS4861397A (nl) 1973-08-28
GB1402920A (en) 1975-08-13
ZA727499B (en) 1973-12-19

Similar Documents

Publication Publication Date Title
NL161202B (nl) Werkwijze en inrichting voor de elektrolyse van waterige halogenideoplossingen.
US4065366B1 (nl)
FR2263312B1 (nl)
SE7703520L (sv) Elektrolys av alkalimetallhalidlosning
ES392635A1 (es) Metodo para producir una corriente a partir de un disposi- tivo de almacenamiento de energia electrica.
FR2275298A1 (fr) Membrane echangeuse de cations composite et son utilisation dans l'electrolyse d'un halogenure de metal alcalin
IE38350B1 (en) Electrolytic cells and processes
SE7610148L (sv) Katod for elektrolys av vatten eller en vattenhaltig alkalimetallhalogenidlosning
BR8007570A (pt) Eletrolisador de diafragma bipolar, elemento bipolar para o mesmo, processo para a eletrolise de uma solucao aquosa de haleto metalico de alcali, processo para a geracao de movimentos de recirculacao de eletrolito e dispositivo para conectar eletricamente nervuras de anodo de metal de valvula e nervuras de catodo de metal catodicamente resistente
GB2094835B (en) Process for electrolyzing water
ES434370A1 (es) Mejoras introducidas en un procedimiento para la electroli- sis de soluciones acuosas de haluros de metales alcalinos.
FI792508A (fi) Foerfarande foer elektrolytisk producering av vaete i alkaliska foerhaollanden
FR2498208B1 (fr) Procede d'electrolyse et cellule electrochimique
SE7903037L (sv) Elektropletering av metaller
GB1557812A (en) Process and cell for the electrolytic production of hydroxide using ion exchange membranes
ES428391A1 (es) Un procedimiento y su correspondiente dispositivo de celulaelectrolitica para la descomposicion electromecanica de una solucion acuosa de un compuesto quimico ionizable.
CS190401B2 (en) Electrolytic decomposition of aqueous solutions and electrolyzer for making this method
GB1273164A (en) Process for the electrolysis of salt solutions
ES433655A1 (es) Metodo de electrolisis con diafragma de haluros de metal al-calino.
GB1066930A (en) Process for electrolytic preparation of quaternary ammonium compounds
GB1000676A (en) Water electrolysis process
ES406713A1 (es) Procedimiento y dispositivo para la reduccion de soluciones salinas de compuestos de elementos fisionables
JPS5216483A (en) Electrolysis process
KR840004722A (ko) 테트라히드로인돌 유도체의 제조방법
ES251537A1 (es) Procedimiento para producir dihidrodesoxistreptomicinas

Legal Events

Date Code Title Description
P1 Automatically granted patents, except
R2W Refused after publication