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.)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
La Seda de Barcelona SA
Original Assignee
La Seda de Barcelona SA
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by La Seda de Barcelona SAfiledCriticalLa Seda de Barcelona SA
Priority to ES214945ApriorityCriticalpatent/ES214945A3/en
Publication of ES214945A3publicationCriticalpatent/ES214945A3/en
Improvements in the spinning of the viscose consisting of using a spinning bath composed of aqueous sulfuric acid and zinc sulphate, to which has been added a modifying agent constituted by an aliphatic or aromatic amine, soluble in the bath and containing in its molecule at least four carbon atoms without containing any radical with more than six carbon atoms. (Machine-translation by Google Translate, not legally binding)
ES214945A1954-04-211954-04-21Improvements in the yarn of the viscose (Machine-translation by Google Translate, not legally binding)
ExpiredES214945A3
(en)
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 obtaining of filaments, films or similar articles of regenerated pellulose (Machine-translation by Google Translate, not legally binding)
A procedure for the manufacture of artificial products, such as threads, filaments, sheets, films and other analogs from viscosa (Machine-translation by Google Translate, not legally binding)