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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Rhone Poulenc SA
Original Assignee
Rhone Poulenc SA
Societe des Usines Chimiques Rhone Poulenc SA
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Filing date
Publication date
Application filed by Rhone Poulenc SA, Societe des Usines Chimiques Rhone Poulenc SAfiledCriticalRhone Poulenc SA
Application grantedgrantedCritical
Publication of FR720986ApublicationCriticalpatent/FR720986A/fr
FR720986D1930-09-261931-08-03Procédé de fabrication de solutions d'hyposulfites alcalins, et en particulier d'hyposulfite de sodium
ExpiredFR720986A
(fr)
Procédé et appareil pour la fabrication de filaments artificiels, fils rubans, etc., par l'extrudage de solutions d'esters ou d'éthers de cellulose