USRE9987E - Heinrich baum - Google Patents

Heinrich baum Download PDF

Info

Publication number
USRE9987E
USRE9987E US RE9987 E USRE9987 E US RE9987E
Authority
US
United States
Prior art keywords
heinrich
baum
coloring
parts
alcohol
Prior art date
Application number
Other languages
English (en)
Inventor
Heinrich Baum
Original Assignee
S
Publication date

Links

Definitions

  • This invention consists in a yellowish-red scarlet coloring matter produced by the action of bisnlphohetanaphtholic sodium salt soluble in alcohol, on the diazoic derivative of Kylidine.
  • My coloring-m atter is freely soluble in water, and by adding permanganate of potash to its aqueous solution the coloringmatter is precipita-ted. It dissolves in sulphuric acid with a yellowish-red color and in nitric acid with a yellow color. It is difticultly soluble in alcohol, with ayellow-searletcolor. Brominewater added to its aqueous solution produces a precipitate of a white color, which disappears by addition of an excess of bromine-water.

Family

ID=

Similar Documents

Publication Publication Date Title
USRE9987E (en) Heinrich baum
US401024A (en) Benfabriken
US251162A (en) Weeke
US251163A (en) Werke
US251164A (en) Werke
US250038A (en) Weekb
US249926A (en) Johannes h
US333041A (en) Beecht
US346022A (en) On - the - rhine
US316036A (en) The-main
US406670A (en) Traugott sandmeyer
US333042A (en) Bkecht
US233465A (en) Heinrich baum
USRE9986E (en) Heinrich baum
US366078A (en) Benpabriken
US210233A (en) Improvement in coloring-matters to be used as dyes
US398990A (en) Johannes walter
US314939A (en) Meinhaed hoffmann
US261767A (en) Carl eumpff
US743071A (en) Monoazo dye and process of making same.
US524322A (en) Benfabriken
US546069A (en) Friedrich krecke and ignaz rosenberg
US472091A (en) Arthur weinberg
US567615A (en) Benfabriken
US395474A (en) Riken