CH435225A - Zur Herstellung einer Hydrosulfitlösung geeignetes Präparat - Google Patents

Zur Herstellung einer Hydrosulfitlösung geeignetes Präparat

Info

Publication number
CH435225A
CH435225A CH232062A CH232062A CH435225A CH 435225 A CH435225 A CH 435225A CH 232062 A CH232062 A CH 232062A CH 232062 A CH232062 A CH 232062A CH 435225 A CH435225 A CH 435225A
Authority
CH
Switzerland
Prior art keywords
production
preparation suitable
hydrosulphite solution
hydrosulphite
solution
Prior art date
Application number
CH232062A
Other languages
English (en)
Inventor
Armond Hinckley Alfred
Charles Wade Robert
Original Assignee
Metal Hydrides 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
Application filed by Metal Hydrides Inc filed Critical Metal Hydrides Inc
Publication of CH435225A publication Critical patent/CH435225A/de

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-)
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06P—DYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM
    • D06P1/00—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed
    • D06P1/22—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed using vat dyestuffs including indigo
    • D06P1/221—Reducing systems; Reducing catalysts
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21C—PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
    • D21C9/00—After-treatment of cellulose pulp, e.g. of wood pulp, or cotton linters ; Treatment of dilute or dewatered pulp or process improvement taking place after obtaining the raw cellulosic material and not provided for elsewhere
    • D21C9/10—Bleaching ; Apparatus therefor
    • D21C9/1084—Bleaching ; Apparatus therefor with reducing compounds

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Inorganic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Textile Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Catalysts (AREA)
  • Paper (AREA)
CH232062A 1961-07-31 1962-02-26 Zur Herstellung einer Hydrosulfitlösung geeignetes Präparat CH435225A (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US127899A US3167515A (en) 1961-07-31 1961-07-31 Preparation of alkali metal hydrosulfites

Publications (1)

Publication Number Publication Date
CH435225A true CH435225A (de) 1967-05-15

Family

ID=22432531

Family Applications (1)

Application Number Title Priority Date Filing Date
CH232062A CH435225A (de) 1961-07-31 1962-02-26 Zur Herstellung einer Hydrosulfitlösung geeignetes Präparat

Country Status (4)

Country Link
US (1) US3167515A (de)
CH (1) CH435225A (de)
DE (1) DE1211132B (de)
GB (1) GB942027A (de)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3244473A (en) * 1966-04-05 Reducing agents and process for
US3933676A (en) * 1974-04-08 1976-01-20 Ventron Corporation Stabilized aqueous solutions of sodium borohydride
EP0027369A1 (de) * 1979-10-12 1981-04-22 Thiokol Corporation Stabile Ausgangslösung zur Herstellung von Hydrosulfit und ihre Verwendung beim Bleichen von Holzschliff, beim Aufhellen von Kaolinton und bei der Reduktion von Küpenfarbstoffen in ihre Leuko-Form
SE457647B (sv) * 1987-06-24 1989-01-16 Eka Nobel Ab Saett vid blekning av material med ditionitloesning
US6217621B1 (en) * 1999-07-09 2001-04-17 Morton International Inc. Textile substrate dye stripping
EP1418269B1 (de) * 2002-11-05 2009-02-11 Rohm And Haas Company Verfahren zum Bleichen von mechanischer Pulpe
US20040211533A1 (en) * 2003-04-28 2004-10-28 Qiang Huang Method for bleaching and color stripping recycled fibers
US8662171B2 (en) * 2010-03-25 2014-03-04 Montgomery Chemicals, Llc Method and composition for oil enhanced recovery
US9708565B2 (en) * 2012-01-27 2017-07-18 Vertellus Performance Chemicals, LLC Method for reducing color in used lubricating oil

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3000688A (en) * 1961-09-19 Process for vatting of vat dyestuffs
US1270150A (en) * 1917-04-14 1918-06-18 Arne K Gyzander Method of manufacturing sodium hydrosulfite.
AT203021B (de) * 1957-01-16 1959-04-25 Bayer Ag Verfahren zur Herstellung von Dithioniten
US2991152A (en) * 1957-01-16 1961-07-04 Goerrig Method of preparing sodium and potassium hyposulphite
BE567284A (de) * 1957-05-18
NL104157C (de) * 1957-05-20
US3004825A (en) * 1958-02-24 1961-10-17 Nat Distillers Chem Corp Process for manufacture of sodium hydrosulfite

Also Published As

Publication number Publication date
GB942027A (en) 1963-11-20
DE1211132B (de) 1966-02-24
US3167515A (en) 1965-01-26

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