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.)
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
C09B49/04—Sulfur dyes from amino compounds of the benzene, naphthalene or anthracene series
Landscapes
Chemical & Material Sciences
(AREA)
Organic Chemistry
(AREA)
Heterocyclic Carbon Compounds Containing A Hetero Ring Having Oxygen Or Sulfur
(AREA)
Coloring
(AREA)
Description
BERLIN. GEDRUCKT IN DER REICHSDIiUCKEREI.BERLIN. PRINTED IN THE EMPIRE DIARY.
Claims (1)
Patent-Anspruch:Patent claim:4545Neuerung in dem Verfahren zur Herstellung eines moosgrün färbenden Schwefelfarbstoffs
nach Patent 220064, darin bestehend, daß die Schwefelschmelze von p-Phenylendiamin und Acetyl-p-phenylendiamin
bei Gegenwart von Benzidin bzw. Thiobenzidin vorgenommen wird.Innovation in the process for the production of a moss green coloring sulfur dye
according to patent 220064, in which the sulfur melt of p-phenylenediamine and acetyl-p-phenylenediamine
is carried out in the presence of benzidine or thiobenzidine.