ES239798A3 - Procedure for the obtaining of filaments, films or similar articles of regenerated pellulose (Machine-translation by Google Translate, not legally binding)
- Google Patents
Procedure for the obtaining of filaments, films or similar articles of regenerated pellulose (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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La Seda de Barcelona SA
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La Seda de Barcelona SA
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Priority to ES0239798ApriorityCriticalpatent/ES239798A3/en
Publication of ES239798A3publicationCriticalpatent/ES239798A3/en
Process for obtaining filaments, films or similar articles, of regenerated cellulose, characterized by spinning a viscose in an acid coagulation bath containing 1 to 15% by weight of zinc sulphate, in the presence of a diamine in an amount preferably not greater than 1% by weight of the bath or viscose, said diamine, which is added to the viscose and/or bath, contains in total three or more carbon atoms and its amino nitrogen atoms are separated by, two or more aliphatic carbon atoms, which may or may not be substituted and said aliphatic carbon atoms, the diamine being soluble in a proportion of at least 0.2% by weight in an aqueous 6% sodium hydroxide solution. (Machine-translation by Google Translate, not legally binding)
ES0239798A1958-01-211958-01-21Procedure for the obtaining of filaments, films or similar articles of regenerated pellulose (Machine-translation by Google Translate, not legally binding)
ExpiredES239798A3
(en)
Procedure for the obtaining of filaments, films or similar articles of regenerated pellulose (Machine-translation by Google Translate, not legally binding)
Procedure for the obtaining of filaments, films or similar articles of regenerated pellulose (Machine-translation by Google Translate, not legally binding)
Procedure for the obtaining of filaments, films or similar articles of regenerated pellulose (Machine-translation by Google Translate, not legally binding)
Procedure for the obtaining of filaments, films or similar articles of regenerated pellulose (Machine-translation by Google Translate, not legally binding)
Procedure for the obtaining of filaments, threads, cords and similar articles of regenerated cellulose. (Machine-translation by Google Translate, not legally binding)
Procedure for the development of resilient and similar threads based on regenerated cellulose (Machine-translation by Google Translate, not legally binding)
A procedure for the manufacture of artificial and similar threads, as well as viscose films (Machine-translation by Google Translate, not legally binding)
A procedure for the manufacture of artificial and similar threads, as well as viscose films (Machine-translation by Google Translate, not legally binding)