DE111408C - - Google Patents

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Publication number
DE111408C
DE111408C DENDAT111408D DE111408DA DE111408C DE 111408 C DE111408 C DE 111408C DE NDAT111408 D DENDAT111408 D DE NDAT111408D DE 111408D A DE111408D A DE 111408DA DE 111408 C DE111408 C DE 111408C
Authority
DE
Germany
Prior art keywords
alkaline salt
skins
hides
leather
finishing
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
DENDAT111408D
Other languages
German (de)
Publication of DE111408C publication Critical patent/DE111408C/de
Active legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C14—SKINS; HIDES; PELTS; LEATHER
    • C14C—CHEMICAL TREATMENT OF HIDES, SKINS OR LEATHER, e.g. TANNING, IMPREGNATING, FINISHING; APPARATUS THEREFOR; COMPOSITIONS FOR TANNING
    • C14C3/00—Tanning; Compositions for tanning
    • C14C3/02—Chemical tanning

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Treatment And Processing Of Natural Fur Or Leather (AREA)
  • Coloring (AREA)

Description

BERLIN. GEDRUCKT IN DER REICHSDRUCKERELBERLIN. PRINTED IN THE REICHSDRUCKEREL

Claims (2)

Patent-Ansprüche:Patent Claims: ι . Verfahren zum Herstellen und Appretiren von Leder, gekennzeichnet durch die Anwendung einer in Wasser gelösten Mischung von Formaldehyd mit einem alkalischen Salze, wie Natriumcarbonat, Calciumoxyd, Magnesiumhydroxyd und ähnliche, welche Mischung nach und nach in die die Häute oder Felle enthaltende rotirende Trommel eingeführt wird.ι. Process for the production and finishing of leather, characterized by the application a mixture of formaldehyde dissolved in water with an alkaline salt such as sodium carbonate, calcium oxide, Magnesium hydroxide and the like, which are gradually mixed into the rotating drum containing the hides or skins is introduced. 2. Eine Modification des Verfahrens nach Anspruch 1, dadurch gekennzeichnet, dafs das zur Mischung verwendete alkalische Salz im Material selbst durch die Einwirkung zweier entsprechender Chemikalien auf einander erzeugt wird.2. A modification of the method according to claim 1, characterized in that the alkaline salt used for mixing in the material itself due to the action two corresponding chemicals are generated on each other.
DENDAT111408D Active DE111408C (en)

Publications (1)

Publication Number Publication Date
DE111408C true DE111408C (en)

Family

ID=381150

Family Applications (1)

Application Number Title Priority Date Filing Date
DENDAT111408D Active DE111408C (en)

Country Status (1)

Country Link
DE (1) DE111408C (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6338778B1 (en) 1996-07-12 2002-01-15 Bayerische Motoren Werke Aktiengesellschaft Vacuum coating system with a coating chamber and at least one source chamber

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6338778B1 (en) 1996-07-12 2002-01-15 Bayerische Motoren Werke Aktiengesellschaft Vacuum coating system with a coating chamber and at least one source chamber

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