NL7204183A - - Google Patents

Info

Publication number
NL7204183A
NL7204183A NL7204183A NL7204183A NL7204183A NL 7204183 A NL7204183 A NL 7204183A NL 7204183 A NL7204183 A NL 7204183A NL 7204183 A NL7204183 A NL 7204183A NL 7204183 A NL7204183 A NL 7204183A
Authority
NL
Netherlands
Application number
NL7204183A
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
Publication of NL7204183A publication Critical patent/NL7204183A/xx

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
    • C09B3/00—Dyes with an anthracene nucleus condensed with one or more carbocyclic rings
    • C09B3/40—Pyranthrones
    • C09B3/42—Preparation by synthesis of the nucleus

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Plural Heterocyclic Compounds (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
NL7204183A 1971-03-29 1972-03-28 NL7204183A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19712115131 DE2115131C3 (en) 1971-03-29 1971-03-29 Process for making pyranthrones

Publications (1)

Publication Number Publication Date
NL7204183A true NL7204183A (en) 1972-10-03

Family

ID=5803108

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7204183A NL7204183A (en) 1971-03-29 1972-03-28

Country Status (3)

Country Link
CA (1) CA966832A (en)
DE (1) DE2115131C3 (en)
NL (1) NL7204183A (en)

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2769002A (en) * 1956-10-30 Preparation of phenthiazine compounds
DE175067C (en) *
DE287270C (en) *
DE212019C (en) *
US856811A (en) * 1906-02-06 1907-06-11 Basf Ag Dye of the anthraquinone series and process of making same.
US1931021A (en) * 1930-05-21 1933-10-17 Du Pont Process for preparing pyranthrone
US2787622A (en) * 1954-08-17 1957-04-02 Allied Chem & Dye Corp Process for producing pyranthrone
US2855408A (en) * 1957-01-17 1958-10-07 Du Pont Preparation of pyranthrone
US3213155A (en) * 1961-05-19 1965-10-19 Exxon Research Engineering Co Monoolefin isomerization process
DE1215284B (en) * 1962-12-04 1966-04-28 Cassella Farbwerke Mainkur Ag Process for the preparation of dyes of the anthraquinonazine series
DE1264648B (en) * 1963-11-30 1968-03-28 Cassella Farbwerke Mainkur Ag Process for the preparation of dyes of the anthraquinone azine series
US3446810A (en) * 1967-12-26 1969-05-27 Allied Chem Caustic fusion of polycyclic aromatic compounds
DE1951708C3 (en) * 1969-10-14 1975-02-20 Basf Ag, 6700 Ludwigshafen Method of making pyranthrones n

Also Published As

Publication number Publication date
DE2115131B2 (en) 1976-01-08
CA966832A (en) 1975-04-29
DE2115131C3 (en) 1981-09-24
DE2115131A1 (en) 1972-10-05

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Legal Events

Date Code Title Description
BV The patent application has lapsed