AU469802B2 - Purification of water-soluble dyestuffs containing impurities - Google Patents

Purification of water-soluble dyestuffs containing impurities

Info

Publication number
AU469802B2
AU469802B2 AU49749/72A AU4974972A AU469802B2 AU 469802 B2 AU469802 B2 AU 469802B2 AU 49749/72 A AU49749/72 A AU 49749/72A AU 4974972 A AU4974972 A AU 4974972A AU 469802 B2 AU469802 B2 AU 469802B2
Authority
AU
Australia
Prior art keywords
purification
water
containing impurities
soluble dyestuffs
dyestuffs containing
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
Application number
AU49749/72A
Other languages
English (en)
Other versions
AU4974972A (en
Inventor
DAVID HIGH SPENCE and BRYAN STOCKTON ANTHONY KENNETH DUNN
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.)
Imperial Chemical Industries Ltd
Original Assignee
Imperial Chemical Industries Ltd
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 Imperial Chemical Industries Ltd filed Critical Imperial Chemical Industries Ltd
Publication of AU4974972A publication Critical patent/AU4974972A/en
Application granted granted Critical
Publication of AU469802B2 publication Critical patent/AU469802B2/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09B—ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES, e.g. PIGMENTS; MORDANTS; LAKES
    • C09B67/00—Influencing the physical, e.g. the dyeing or printing properties of dyestuffs without chemical reactions, e.g. by treating with solvents grinding or grinding assistants, coating of pigments or dyes; Process features in the making of dyestuff preparations; Dyestuff preparations of a special physical nature, e.g. tablets, films
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D11/00—Solvent extraction
    • B01D11/02—Solvent extraction of solids
    • B01D11/0288—Applications, solvents
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09B—ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES, e.g. PIGMENTS; MORDANTS; LAKES
    • C09B67/00—Influencing the physical, e.g. the dyeing or printing properties of dyestuffs without chemical reactions, e.g. by treating with solvents grinding or grinding assistants, coating of pigments or dyes; Process features in the making of dyestuff preparations; Dyestuff preparations of a special physical nature, e.g. tablets, films
    • C09B67/0001—Post-treatment of organic pigments or dyes
    • C09B67/0003—Drying, e.g. sprax drying; Sublimation of the solvent

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Physical Or Chemical Processes And Apparatus (AREA)
  • Coloring Foods And Improving Nutritive Qualities (AREA)
AU49749/72A 1971-12-07 1972-12-07 Purification of water-soluble dyestuffs containing impurities Expired AU469802B2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB5674371A GB1399100A (en) 1971-12-07 1971-12-07 Isolation and purification of water-soluble dyes
GBGB56743/7 1971-12-07

Publications (2)

Publication Number Publication Date
AU4974972A AU4974972A (en) 1974-06-27
AU469802B2 true AU469802B2 (en) 1976-02-26

Family

ID=10477422

Family Applications (1)

Application Number Title Priority Date Filing Date
AU49749/72A Expired AU469802B2 (en) 1971-12-07 1972-12-07 Purification of water-soluble dyestuffs containing impurities

Country Status (7)

Country Link
JP (1) JPS4864001A (enExample)
AU (1) AU469802B2 (enExample)
DE (1) DE2259975A1 (enExample)
FR (1) FR2162506B1 (enExample)
GB (1) GB1399100A (enExample)
IT (1) IT971801B (enExample)
NL (1) NL7216607A (enExample)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9912482D0 (en) * 1999-06-01 1999-07-28 Clariant Int Ltd Process for preparing purified dyestuffs

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB640915A (en) * 1946-08-07 1950-08-02 Chadeloid Corp Improvements in and relating to the purifying of organic dyestuffs

Also Published As

Publication number Publication date
GB1399100A (en) 1975-06-25
DE2259975A1 (de) 1973-06-20
FR2162506A1 (enExample) 1973-07-20
IT971801B (it) 1974-05-10
NL7216607A (enExample) 1973-06-12
JPS4864001A (enExample) 1973-09-05
AU4974972A (en) 1974-06-27
FR2162506B1 (enExample) 1977-01-14

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