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CURTEX SL
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CURTEX SL
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Application filed by CURTEX SLfiledCriticalCURTEX SL
Priority to ES204939ApriorityCriticalpatent/ES204939A3/en
Publication of ES204939A3publicationCriticalpatent/ES204939A3/en
Treatment And Processing Of Natural Fur Or Leather
(AREA)
Polysaccharides And Polysaccharide Derivatives
(AREA)
Abstract
New method of manufacturing tanning products characterized in reacting in the ratio 10: 1 cellulose sulphite and sulfuric acid diluted to 20%, this mixture being made by slowly adding the second one over the first and cooling the container, then resting until it has formed at least 60% of lignosulfonic acid which is separated by decantation of the waste that can not be used. (Machine-translation by Google Translate, not legally binding)
ES204939A1952-08-091952-08-09A new procedure for manufacturing curtient products (Machine-translation by Google Translate, not legally binding)
ExpiredES204939A3
(en)
A procedure for the preparation of solutions of the polycondensates of acid amidas alquiliden and aralquiliden-bis-tiocarboxºlicos (Machine-translation by Google Translate, not legally binding)
Procedure for protein hydrolysis with simultaneous obtaining glutamic acid and related products (Machine-translation by Google Translate, not legally binding)
A procedure for the manufacture of esters of fatty acids drying polyalcoholes in the form of chain and/or reticulated (Machine-translation by Google Translate, not legally binding)
A procedure for the obtaining of alcaminic esters of N-monoalquylated and N-mono-alkyl-oxyalkylated aminooxibenzoic acids. (Machine-translation by Google Translate, not legally binding)