ES278987A1 - Procedure for the quick treatment of heavy and heavy leather (Machine-translation by Google Translate, not legally binding)
- Google Patents
Procedure for the quick treatment of heavy and heavy leather (Machine-translation by Google Translate, not legally binding)
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.)
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Bayer AG
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Bayer AG
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Publication of ES278987A1publicationCriticalpatent/ES278987A1/en
Treatment And Processing Of Natural Fur Or Leather
(AREA)
Abstract
Procedure for the rapid tanning of semi-heavy and heavy leathers, characterized in that the leathers, prepared in the usual way in the water workshop, are previously tanned with chromium complex tanning agents, which are formed by mixing normal tanning salts of chromium III or basic with those synthetic tanning agents which are obtained according to known processes, either of phenols by condensation with sulfites and/or bisulfites, if necessary in the presence of ketones or aldehydes, and the skin material, thus treated, is finished tanning in the tank with vegetable tanning extracts in the form of powder without fleet. (Machine-translation by Google Translate, not legally binding)
ES0278987A1961-07-191962-07-06Procedure for the quick treatment of heavy and heavy leather (Machine-translation by Google Translate, not legally binding)
ExpiredES278987A1
(en)
Procedure for the subsequent treatment of chrome leather making use of condensed phosphates. (Machine-translation by Google Translate, not legally binding)