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CH141790A - Iron tanning process. - Google Patents

Iron tanning process.

Info

Publication number
CH141790A
CH141790A CH141790DA CH141790A CH 141790 A CH141790 A CH 141790A CH 141790D A CH141790D A CH 141790DA CH 141790 A CH141790 A CH 141790A
Authority
CH
Switzerland
Prior art keywords
iron
tanning process
tanning
iron tanning
orthophosphoric acid
Prior art date
Application number
Other languages
German (de)
Inventor
Otto Dr Roehm
Original Assignee
Otto Dr Roehm
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Otto Dr Roehm filed Critical Otto Dr Roehm
Publication of CH141790A publication Critical patent/CH141790A/en

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  • Treatment And Processing Of Natural Fur Or Leather (AREA)

Description

  

      Eisengerbyerfahren.       In dem Hauptpatent ;ist ein     Gerbver-          fahren    beschrieben, bei dem eine     Gerbbrühe     verwendet wird, welche ein Aluminiumsalz       und    Ester der     Orthophosphorsäure        bezw.          EA,ersalze    dieser Säure enthält.  



  Es wurde gefunden,     dass    eine     Gerbbrühe     verwendbar ist, die an Stelle der Aluminium  salze Eisensalze enthält.    <I>Beispiel:</I>    <B><U>20</U> kg</B>     Eisensulfatehlorid    werden. nach  Zusatz von<B>1</B> k-     Glyzerinphosphorsäure    in       el     <B>25</B> Liter Wasser gelöst. Dazu werden unter  stetem Umrühren<B>170</B> Liter Wasser, in denen  etwa 4,2<B>kg</B> Soda enthalten sind, zugegeben.  Mit dieser     Gerbbrühe    werden<B>100 kg</B> Blössen    durch<B>6-</B> bis     8-stündiges    Bewegen im     Walk-          fass    gegerbt.



      Eisengerby experienced. In the main patent, a tanning process is described in which a tanning liquor is used which contains an aluminum salt and esters of orthophosphoric acid and / or. EA containing salts of this acid.



  It has been found that a tanning liquor can be used which contains iron salts instead of the aluminum salts. <I> Example: </I> <B> <U> 20 </U> kg </B> iron sulfate chloride. after adding <B> 1 </B> k- glycerol phosphoric acid dissolved in el <B> 25 </B> liters of water. To this end, <B> 170 </B> liters of water containing around 4.2 kg of soda are added with constant stirring. With this tanning liquor, <B> 100 kg </B> pelts are tanned by agitating for <B> 6- </B> to 8 hours in a full drum.

Claims (1)

<B>PATENTANSPRUCH:</B> Eisengerbverfahren, dadurch gekenn zeichnet, dass eine Gerbbrühe verwendet wird, welche ein Eisensalz und Ester der Orthophosphorsäure enthält. 'UNTERANSPRUCH: Eisengerbverfahren nach Patentanspruch, dadurch gekennzeichnet, dass eine Gerbbrüh e verwendet wird, welche ein Eisensalz und Estersalze der Orthophosphorsäure enthält. <B> PATENT CLAIM: </B> Iron tanning process, characterized in that a tanning liquor is used which contains an iron salt and ester of orthophosphoric acid. SUBCLAIM: Iron tanning process according to patent claim, characterized in that a tanning liquor is used which contains an iron salt and ester salts of orthophosphoric acid.
CH141790D 1927-06-20 1928-05-26 Iron tanning process. CH141790A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE141790X 1927-06-20
CH139192T 1928-05-26

Publications (1)

Publication Number Publication Date
CH141790A true CH141790A (en) 1930-08-15

Family

ID=25713337

Family Applications (1)

Application Number Title Priority Date Filing Date
CH141790D CH141790A (en) 1927-06-20 1928-05-26 Iron tanning process.

Country Status (1)

Country Link
CH (1) CH141790A (en)

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