Procedure for the manufacture of depilated skins with the use of mycosis triptases.
ES143192A1
Procedure for the manufacture of soles leather with cellulose sulphite extract.
ES141706A1
Procedure for the manufacture of depilated skins with the use of triptases of mycoses in neutral reaction to little acid.
ES135850A1
Process for transforming liquid materials into semi-solid or solid products without bubbles, for example by polymerization of unsaturated organic compounds.
ES107801A1
Procedure for tanning with mineral substances.
GB110750A
Improvements in Tanning or Tawing by Means of Aluminium Salts.
GB104181A
Process for the Conversion of Glue-leather into Glue and the like.
GB103827A
Improvements in Processes for Tanning.
GB103668A
Improvements in or relating to Materials for Oiling Leather and for Oil-tanning.
GB107191A
Process for Cleansing Various Materials or Objects for Domestic and Industrial Purposes.
GB100224A
Improvement in the Treatment of Raw Cotton.
GB191515814A
Softening Hides and Fells.
US1257402A
Process for softening hides, skins, or the like.
GB191502151A
Improvements relating to Processes for Cleaning Wearing Apparel and other Objects.
US1117912A
Manufacture of leather.
GB191408877A
Improvements in the Manufacture or Treatment of Leather.
US1121134A
Process of making caoutchouc substitute.
DE262707C
Process for making a product with the properties of vulcanized rubber
US1082911A
Process of depilating and reducing hides and skins.
