ES229312A1 - Improvements introduced in the procedures for the manufacture of threads, fibers and curly analog products (Machine-translation by Google Translate, not legally binding)
- Google Patents
Improvements introduced in the procedures for the manufacture of threads, fibers and curly analog products (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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Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken NV
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Application filed by Philips Gloeilampenfabrieken NVfiledCriticalPhilips Gloeilampenfabrieken NV
Publication of ES229312A1publicationCriticalpatent/ES229312A1/en
Improvements introduced in the processes for the manufacture of threads, fibers and similar curly products, in which a viscose with a cellulose to alkali ratio of 10: 6 maximum mono is spun in an acid bath that also contains sodium sulfate and zinc sulfate and sulfuric acid in a proportion that is less than 1.4 times the alkali content of the viscose, the yarns formed are stretched and, finally, the tension is relaxed in a swelling agent, characterized in that the yarns are spun in the presence of a tenso-active substance in a bath containing, in addition, from 0.5 to 5% by weight, of ammonium sulfate. (Machine-translation by Google Translate, not legally binding)
ES0229312A1955-06-271956-06-19Improvements introduced in the procedures for the manufacture of threads, fibers and curly analog products (Machine-translation by Google Translate, not legally binding)
ExpiredES229312A1
(en)
Improvements introduced in the procedures for the manufacture of threads, fibers and curly analog products (Machine-translation by Google Translate, not legally binding)
Improvements introduced in the procedures for the manufacture of threads, fibers and curly analog products (Machine-translation by Google Translate, not legally binding)
Improvements introduced in the procedure for the obtaining of high-tenacity regenerated cellulose threads (Machine-translation by Google Translate, not legally binding)
Procedure for the production of threads and fibers, highly resistant, based on regenerated cellulose (Machine-translation by Google Translate, not legally binding)