DE291883C - - Google Patents

Info

Publication number
DE291883C
DE291883C DENDAT291883D DE291883DA DE291883C DE 291883 C DE291883 C DE 291883C DE NDAT291883 D DENDAT291883 D DE NDAT291883D DE 291883D A DE291883D A DE 291883DA DE 291883 C DE291883 C DE 291883C
Authority
DE
Germany
Prior art keywords
selenium
phthalines
phthaleins
chlorides
implement
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.)
Active
Application number
DENDAT291883D
Other languages
German (de)
Publication of DE291883C publication Critical patent/DE291883C/de
Active 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
    • C09B11/00—Diaryl- or thriarylmethane dyes
    • C09B11/28—Pyronines ; Xanthon, thioxanthon, selenoxanthan, telluroxanthon dyes

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Medicines Containing Antibodies Or Antigens For Use As Internal Diagnostic Agents (AREA)
  • Indole Compounds (AREA)

Description

BERLIN. GEDRUCKT IN DER RElGHSDIiUCKEREI.BERLIN. PRINTED IN THE LEGAL DIRECTORY.

Claims (1)

Patent-Anspruch:Patent claim: Abänderung des durch Patent 290540 geschützten Verfahrens zur Darstellung selenhaltiger Phtaleine und deren Halogenderivate, darin bestehend, daß man an Stelle von Selenchloriden hier Selenoxychlorid mit Phtalinen zur Umsetzung bringt.Modification of the method of representation protected by patent 290540 Selenium-containing phthaleins and their halogen derivatives, consisting in the fact that selenium oxychloride is used here instead of selenium chlorides with phthalines to implement.
DENDAT291883D Active DE291883C (en)

Publications (1)

Publication Number Publication Date
DE291883C true DE291883C (en)

Family

ID=546717

Family Applications (1)

Application Number Title Priority Date Filing Date
DENDAT291883D Active DE291883C (en)

Country Status (1)

Country Link
DE (1) DE291883C (en)

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