DE2728316C3 - - Google Patents

Info

Publication number
DE2728316C3
DE2728316C3 DE2728316A DE2728316A DE2728316C3 DE 2728316 C3 DE2728316 C3 DE 2728316C3 DE 2728316 A DE2728316 A DE 2728316A DE 2728316 A DE2728316 A DE 2728316A DE 2728316 C3 DE2728316 C3 DE 2728316C3
Authority
DE
Germany
Prior art keywords
sodium
methanol
solution
sodium carbonate
water
Prior art date
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 - Lifetime
Application number
DE2728316A
Other languages
German (de)
English (en)
Other versions
DE2728316B2 (de
DE2728316A1 (de
Inventor
Logan Chappell Virginia Beach Va. Us Bostian
Charles Ellis Norfolk Va. Us Winslow Jun.
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.)
CNA Holdings LLC
Original Assignee
Hoechst Celanese 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 Hoechst Celanese Corp filed Critical Hoechst Celanese Corp
Publication of DE2728316A1 publication Critical patent/DE2728316A1/de
Publication of DE2728316B2 publication Critical patent/DE2728316B2/de
Application granted granted Critical
Publication of DE2728316C3 publication Critical patent/DE2728316C3/de
Granted legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B17/00—Sulfur; Compounds thereof
    • C01B17/64—Thiosulfates; Dithionites; Polythionates
    • C01B17/66—Dithionites or hydrosulfites (S2O42-)

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Saccharide Compounds (AREA)
DE2728316A 1976-06-24 1977-06-23 Absatzweises Verfahren zur Herstellung von wasserfreiem Natriumdithionit (Na2 S2 O4) Granted DE2728316B2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US69946276A 1976-06-24 1976-06-24
US80652777A 1977-06-14 1977-06-14

Publications (3)

Publication Number Publication Date
DE2728316A1 DE2728316A1 (de) 1978-01-05
DE2728316B2 DE2728316B2 (de) 1980-10-23
DE2728316C3 true DE2728316C3 (it) 1990-08-23

Family

ID=27106430

Family Applications (1)

Application Number Title Priority Date Filing Date
DE2728316A Granted DE2728316B2 (de) 1976-06-24 1977-06-23 Absatzweises Verfahren zur Herstellung von wasserfreiem Natriumdithionit (Na2 S2 O4)

Country Status (9)

Country Link
JP (1) JPS6020321B2 (it)
CA (1) CA1103888A (it)
DE (1) DE2728316B2 (it)
FR (1) FR2355775A1 (it)
GB (1) GB1584626A (it)
IT (1) IT1143585B (it)
MX (1) MX147264A (it)
NO (1) NO149884C (it)
SE (1) SE418490B (it)

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3411875A (en) * 1964-04-08 1968-11-19 Mitsubishi Edogawa Kagaku Kk Process for the production of anhydrous hydrosulfites
DE1592013B2 (de) * 1966-05-16 1972-08-24 Mitsubishi Edogawa Kagaku K K , Tokio Verfahren zur herstellung eines wasserfreien natrium-hyposulfits
JPS4814316B1 (it) * 1969-01-10 1973-05-07
US3887695A (en) * 1970-02-05 1975-06-03 Virginia Chemicals Inc Production of sodium hydrosulfite from formates
GB1461785A (en) * 1973-03-30 1977-01-19 Boc Ltd Alkali metal dithionite manufacture

Also Published As

Publication number Publication date
IT1143585B (it) 1986-10-22
DE2728316B2 (de) 1980-10-23
NO772165L (no) 1977-12-28
FR2355775B1 (it) 1984-04-13
DE2728316A1 (de) 1978-01-05
NO149884C (no) 1984-07-11
CA1103888A (en) 1981-06-30
JPS5316388A (en) 1978-02-15
MX147264A (es) 1982-10-29
NO149884B (no) 1984-04-02
JPS6020321B2 (ja) 1985-05-21
FR2355775A1 (fr) 1978-01-20
SE418490B (sv) 1981-06-09
SE7707235L (sv) 1977-12-25
GB1584626A (en) 1981-02-18

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Legal Events

Date Code Title Description
OD Request for examination
8263 Opposition against grant of a patent
8228 New agent

Free format text: JUNG, E., DIPL.-CHEM. DR.PHIL. SCHIRDEWAHN, J., DIPL.-PHYS. DR.RER.NAT., PAT.-ANW., 8000 MUENCHEN

8227 New person/name/address of the applicant

Free format text: HOECHST CELANESE CORP., SOMERVILLE, N.J., US

8228 New agent

Free format text: JUNG, E., DIPL.-CHEM. DR.PHIL. SCHIRDEWAHN, J., DIPL.-PHYS. DR.RER.NAT. GERNHARDT, C., DIPL.-ING., PAT.-ANWAELTE, 8000 MUENCHEN

C3 Grant after two publication steps (3rd publication)