DE69807C - - Google Patents

Info

Publication number
DE69807C
DE69807C DENDAT69807D DE69807DA DE69807C DE 69807 C DE69807 C DE 69807C DE NDAT69807 D DENDAT69807 D DE NDAT69807D DE 69807D A DE69807D A DE 69807DA DE 69807 C DE69807 C DE 69807C
Authority
DE
Germany
Prior art keywords
alkalis
nitrocellulose
washing
dried
ground
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
DENDAT69807D
Other languages
German (de)
Publication of DE69807C publication Critical patent/DE69807C/de
Active legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08B—POLYSACCHARIDES; DERIVATIVES THEREOF
    • C08B1/00—Preparatory treatment of cellulose for making derivatives thereof, e.g. pre-treatment, pre-soaking, activation
    • C08B1/02—Rendering cellulose suitable for esterification

Landscapes

  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Biochemistry (AREA)
  • Materials Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Polysaccharides And Polysaccharide Derivatives (AREA)

Description

BERLIN. GEDRUCKT IN DER REICHSDRUCKEREI.BERLIN. PRINTED IN THE REICH PRINTING COMPANY.

Claims (1)

Patent-Anspruch:Patent claim: Verfahren zur Herstellung einer für die Bereitung von Nitrocellulose geeigneten Cellulose aus dem nach dem Verfahren des Patentes Nr. 60233 erhaltenen sogenannten Zwischenerzeugnifs, dadurch gekennzeichnet, dafs letzteres nach dem Auswaschen mit kaltem Wasser getrocknet, gemahlen und darauf mit Alkalien, eventuell unter Druck gekocht wird.Process for the production of a cellulose suitable for the preparation of nitrocellulose from the so-called intermediate product obtained by the process of patent No. 60233, characterized in that the latter, after washing with cold water, is dried, ground and then with alkalis, possibly cooked under pressure.
DENDAT69807D Active DE69807C (en)

Publications (1)

Publication Number Publication Date
DE69807C true DE69807C (en)

Family

ID=343237

Family Applications (1)

Application Number Title Priority Date Filing Date
DENDAT69807D Active DE69807C (en)

Country Status (1)

Country Link
DE (1) DE69807C (en)

Similar Documents

Publication Publication Date Title
US2662033A (en) Process of making a label
DE69807C (en)
DE40693C (en) Innovation in the process for producing a feed from the alkaline digestion liquid obtained in cardboard and cellulose production
DE238311C (en)
DE917024C (en) Process for the preparation of water-insoluble monoazo dyes
CH374439A (en) Process for the preparation of a water-insoluble disazo dye
DE202132C (en)
DE925244C (en) Process for the preparation of water-insoluble monoazo dyes
AT40453B (en) Process for the production of oilcloth or oilcloth paper.
DE433276C (en) Process for making real prints
DE472355C (en) Process for the preparation of a monoazo dye
DE928242C (en) Process for the preparation of water-insoluble monoazo dyes
DE320228C (en) Process for the production of a product which is soluble in water from soluble starch and formaldehyde
DE106724C (en)
DE944124C (en) Process for the production of oxidative dyes on fiber material
DE351370C (en) Process for the production of a starch which gelatinizes with cold water
DE208738C (en)
DE360889C (en) Application of the process to obtain nitrogen in the form of ammonia
DE419431C (en) Process for the production of azo dyes which are resistant to absorption from nitrosamine dyes
SU13085A1 (en) The method of obtaining crimson or pink alizarinovye and other mordant colors in print or latch the pluses for unlabeled goods
DE113112C (en)
GB301807A (en) Manufacture of waterproof paper or pasteboard
DE174088C (en)
DE451049C (en) Process for the production of azo dyes in print
AT53046B (en) Process for the production of alcohol from sawdust and other cellulosic substances.