FR698491A - Improvements in the production and manufacture of stable preparations of indigo-leucoic acid - Google Patents

Improvements in the production and manufacture of stable preparations of indigo-leucoic acid

Info

Publication number
FR698491A
FR698491A FR698491DA FR698491A FR 698491 A FR698491 A FR 698491A FR 698491D A FR698491D A FR 698491DA FR 698491 A FR698491 A FR 698491A
Authority
FR
France
Prior art keywords
indigo
manufacture
production
stable preparations
leucoic
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
Other languages
French (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.)
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
Application granted granted Critical
Publication of FR698491A publication Critical patent/FR698491A/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
    • C09B67/0071—Process features in the making of dyestuff preparations; Dehydrating agents; Dispersing agents; Dustfree compositions
    • C09B67/0077—Preparations with possibly reduced vat, sulfur or indigo dyes

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Chemistry (AREA)
FR698491D 1929-04-15 1930-04-02 Improvements in the production and manufacture of stable preparations of indigo-leucoic acid Expired FR698491A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB698491X 1929-04-15

Publications (1)

Publication Number Publication Date
FR698491A true FR698491A (en) 1931-01-31

Family

ID=10493582

Family Applications (1)

Application Number Title Priority Date Filing Date
FR698491D Expired FR698491A (en) 1929-04-15 1930-04-02 Improvements in the production and manufacture of stable preparations of indigo-leucoic acid

Country Status (1)

Country Link
FR (1) FR698491A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2676742A1 (en) * 1991-05-23 1992-11-27 Sandoz Sa NEW FORMS LEUCO DYES OF DYES IN SULFUR THEIR PREPARATION AND THEIR USE FOR THE DYEING OF CELLULOSIC MATERIALS AND POLYAMIDES.

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2676742A1 (en) * 1991-05-23 1992-11-27 Sandoz Sa NEW FORMS LEUCO DYES OF DYES IN SULFUR THEIR PREPARATION AND THEIR USE FOR THE DYEING OF CELLULOSIC MATERIALS AND POLYAMIDES.
TR26911A (en) * 1991-05-23 1994-08-22 Sandoz Ltd Dry leuco sulfur dyes.

Similar Documents

Publication Publication Date Title
FR665084A (en) Improvements in the manufacture of synthetic ammonia
FR698491A (en) Improvements in the production and manufacture of stable preparations of indigo-leucoic acid
FR664519A (en) Improvements in the manufacture and production of aromatic acid chlorides
FR702979A (en) Improvements in the manufacture of artificial materials
FR697173A (en) Improvements in the manufacture of sulfuric acid
FR703114A (en) Improvements in the manufacture of artificial materials
FR700876A (en) Improvements in the manufacture of artificial materials
FR718333A (en) Improvements in the manufacture of halobenzoylbenzoic acids and halogenanthraquinones
FR672205A (en) Improvements in the manufacture of hydrocyanic acid
FR695133A (en) Improvements in the manufacture of propellers
FR613663A (en) Improvements in the manufacture of nitrogen acid
FR693469A (en) Improvements in the manufacture of leuco indigo
FR672145A (en) Nitrogen Acid Manufacturing Improvements
FR666963A (en) Improvements in the manufacture and production of aromatic acid chlorides
FR695371A (en) Improvements in the manufacture of artificial materials
FR669660A (en) Improvements in the manufacture of nitric acid
FR689200A (en) Improvement in the manufacture of cellulose acetate
FR628647A (en) Improvements in the manufacture of sulfuric acid
FR660104A (en) Improvements in the manufacture of sulfuric acid
FR628648A (en) Improvements in the manufacture of sulfuric acid
FR635506A (en) Improvements in the manufacture of sulfuric acid
FR638143A (en) Improvements in the manufacture of sulfuric acid
FR639440A (en) Improvements in the manufacture of sulfuric acid
FR645373A (en) Improvements in the manufacture of sulfuric acid
FR656615A (en) Improvements in the manufacture of sulfuric acid