FR2246656B1 - - Google Patents

Info

Publication number
FR2246656B1
FR2246656B1 FR7433113A FR7433113A FR2246656B1 FR 2246656 B1 FR2246656 B1 FR 2246656B1 FR 7433113 A FR7433113 A FR 7433113A FR 7433113 A FR7433113 A FR 7433113A FR 2246656 B1 FR2246656 B1 FR 2246656B1
Authority
FR
France
Legal status (The legal status 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 status listed.)
Expired
Application number
FR7433113A
Other versions
FR2246656A1 (fr
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
PPG Industries Inc
Original Assignee
PPG Industries Inc
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
Priority claimed from US05/403,137 external-priority patent/US3939055A/en
Priority claimed from US05/402,929 external-priority patent/US3991251A/en
Application filed by PPG Industries Inc filed Critical PPG Industries Inc
Publication of FR2246656A1 publication Critical patent/FR2246656A1/fr
Application granted granted Critical
Publication of FR2246656B1 publication Critical patent/FR2246656B1/fr
Expired legal-status Critical Current

Links

Classifications

    • 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
    • C25B13/00—Diaphragms; Spacing elements
    • C25B13/04—Diaphragms; Spacing elements characterised by the material
    • C25B13/05—Diaphragms; Spacing elements characterised by the material based on inorganic materials
    • C25B13/06—Diaphragms; Spacing elements characterised by the material based on inorganic materials based on asbestos

Landscapes

  • Chemical & Material Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Electrolytic Production Of Non-Metals, Compounds, Apparatuses Therefor (AREA)
  • Inorganic Fibers (AREA)
  • Manufacture Of Macromolecular Shaped Articles (AREA)
FR7433113A 1973-10-03 1974-10-01 Expired FR2246656B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US05/403,137 US3939055A (en) 1973-10-03 1973-10-03 Laminated asbestos diaphragm
US05/402,929 US3991251A (en) 1973-10-03 1973-10-03 Treatment of asbestos diaphragms and resulting diaphragm

Publications (2)

Publication Number Publication Date
FR2246656A1 FR2246656A1 (fr) 1975-05-02
FR2246656B1 true FR2246656B1 (fr) 1977-07-08

Family

ID=27018091

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7433113A Expired FR2246656B1 (fr) 1973-10-03 1974-10-01

Country Status (7)

Country Link
JP (1) JPS5745317B2 (fr)
DE (1) DE2446456C3 (fr)
FR (1) FR2246656B1 (fr)
GB (1) GB1490220A (fr)
IT (1) IT1020869B (fr)
NL (1) NL7412401A (fr)
NO (1) NO144358C (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS52124476A (en) * 1976-04-14 1977-10-19 Kureha Chem Ind Co Ltd Manufacturing of asbestos diaphragm for electrolysis
US4186065A (en) * 1978-04-27 1980-01-29 Ppg Industries, Inc. Method of preparing a resin-containing asbestos diaphragm
JPH0389612U (fr) * 1989-12-28 1991-09-12

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE594563C (fr) *
US1865152A (en) * 1930-01-31 1932-06-28 Hooker Electrochemical Co Production of electrolytic cathode-diaphragm structures
DE1696259A1 (de) * 1951-01-28 1971-11-18 Siemens Ag Verfahren zur Herstellung poroeser,bindemittelfreier Asbestscheiben,insbesondere Asbestmembranen
US3421975A (en) * 1965-04-30 1969-01-14 Union Carbide Corp Reversible flocculation and redispersion of chrysotile asbestos
DE1294941B (de) * 1967-08-02 1969-05-14 Siemens Ag Verfahren zur Herstellung von Diaphragmen, insbesondere Diaphragmen fuer Brennstoffelemente
US3723264A (en) * 1969-04-28 1973-03-27 Pullman Inc Electrochemical oxidation of olefinic compounds

Also Published As

Publication number Publication date
DE2446456A1 (de) 1975-04-17
JPS5745317B2 (fr) 1982-09-27
NL7412401A (nl) 1975-04-07
IT1020869B (it) 1977-12-30
NO144358B (no) 1981-05-04
NO144358C (no) 1981-08-19
DE2446456B2 (de) 1981-01-22
NO743341L (fr) 1975-04-28
GB1490220A (en) 1977-10-26
JPS5062177A (fr) 1975-05-28
FR2246656A1 (fr) 1975-05-02
DE2446456C3 (de) 1988-07-07
AU7320774A (en) 1976-03-18

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Legal Events

Date Code Title Description
ST Notification of lapse
AR Application made for restoration
DI Inadmissibility of an action of restoration
AR Application made for restoration
DI Inadmissibility of an action of restoration