CH487980A - Process for the production of paper dyes - Google Patents

Process for the production of paper dyes

Info

Publication number
CH487980A
CH487980A CH1586567A CH1586567A CH487980A CH 487980 A CH487980 A CH 487980A CH 1586567 A CH1586567 A CH 1586567A CH 1586567 A CH1586567 A CH 1586567A CH 487980 A CH487980 A CH 487980A
Authority
CH
Switzerland
Prior art keywords
production
paper dyes
dyes
paper
Prior art date
Application number
CH1586567A
Other languages
German (de)
Inventor
Paul Dunworth William
Original Assignee
Du Pont
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 Du Pont filed Critical Du Pont
Publication of CH487980A publication Critical patent/CH487980A/en

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
    • C09B43/00—Preparation of azo dyes from other azo compounds
    • C09B43/11—Preparation of azo dyes from other azo compounds by introducing hydrocarbon radicals or substituted hydrocarbon radicals on primary or secondary amino groups

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Paper (AREA)
  • Coloring (AREA)
CH1586567A 1966-11-15 1967-11-14 Process for the production of paper dyes CH487980A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US59435266A 1966-11-15 1966-11-15

Publications (1)

Publication Number Publication Date
CH487980A true CH487980A (en) 1970-03-31

Family

ID=24378538

Family Applications (1)

Application Number Title Priority Date Filing Date
CH1586567A CH487980A (en) 1966-11-15 1967-11-14 Process for the production of paper dyes

Country Status (3)

Country Link
CH (1) CH487980A (en)
DE (1) DE1644314A1 (en)
GB (1) GB1169968A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3132146A1 (en) * 1981-08-14 1983-03-03 Bayer Ag, 5090 Leverkusen COUNTERFEIT-PROOF PAPER

Also Published As

Publication number Publication date
GB1169968A (en) 1969-11-12
DE1644314A1 (en) 1971-03-11

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Legal Events

Date Code Title Description
PL Patent ceased