FR639034A - Preparations of black coloring matter - Google Patents

Preparations of black coloring matter

Info

Publication number
FR639034A
FR639034A FR639034DA FR639034A FR 639034 A FR639034 A FR 639034A FR 639034D A FR639034D A FR 639034DA FR 639034 A FR639034 A FR 639034A
Authority
FR
France
Prior art keywords
preparations
coloring matter
black coloring
black
matter
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)
Inventor
Raymond Vidal
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 filed Critical
Application granted granted Critical
Publication of FR639034A publication Critical patent/FR639034A/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
    • C09B49/00—Sulfur dyes
    • C09B49/02—Sulfur dyes from nitro compounds of the benzene, naphthalene or anthracene series
FR639034D 1927-01-08 1927-01-08 Preparations of black coloring matter Expired FR639034A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR639034T 1927-01-08

Publications (1)

Publication Number Publication Date
FR639034A true FR639034A (en) 1928-06-09

Family

ID=8996474

Family Applications (1)

Application Number Title Priority Date Filing Date
FR639034D Expired FR639034A (en) 1927-01-08 1927-01-08 Preparations of black coloring matter

Country Status (1)

Country Link
FR (1) FR639034A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6415143B1 (en) 1997-07-22 2002-07-02 Koninklijke Philips Electronics N.V. Method and device for call transfer

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6415143B1 (en) 1997-07-22 2002-07-02 Koninklijke Philips Electronics N.V. Method and device for call transfer

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