A procedure to obtain from the viscose wool of curly cellulose
ES164385A1
A procedure for the obtaining of extracts from years from pressed yeast
ES164121A1
Procedure for the obtaining of molecular low weight polyamide
ES164116A1
Procedure for obtaining high polymers
ES164118A1
A procedure for the obtaining of masses a mode of resin
ES164123A1
Procedure for the polymerization of cyclic amines with two or more amino groups
ES164119A1
Procedure for the obtaining of plastic masses
ES164122A1
Procedure for obtaining high polymers
ES164127A1
Procedure for obtaining high polymers
ES164117A1
Procedure for the spinning mass of linear superpolimer masses
ES164124A1
Procedure for the preparation of elevated polymers (ester of isocianic acid and amino acids or oxyacy)
ES164115A1
Procedure for the obtaining of plastic masses (nitrolocarboxílicos acids)
ES164120A1
Procedure for the obtaining of plastic masses
ES163934A1
Procedure for the manufacture of rubber artificial lacquer
ES163901A1
Procedure for obtaining linear superpolicondensation products
ES163521A1
Procedure for the electrolytic purification of alkaline bleachs containing hemicellulose, especially bleach pressing of the obtaining of viscose, serving mercury cathodes
ES163520A1
A procedure for the obtaining of cyclic amines
ES163433A1
Procedure for the obtaining by the sulfit method and starting of cellulose raw materials, of appropriate cellulose for their last chemical production
ES163432A1
Procedure for obtaining amino acids
ES163435A1
Procedure for obtaining a cellulose, especially from annual plants, suitable for its further chemical processing