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Priority claimed from US91603Aexternal-prioritypatent/US3238199A/en
Application filed by Hoffmann La RochefiledCriticalHoffmann La Roche
Publication of BE614129ApublicationCriticalpatent/BE614129A/fr
Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
Y02P20/00—Technologies relating to chemical industry
Y02P20/50—Improvements relating to the production of bulk chemicals
Y02P20/584—Recycling of catalysts
BE614129A1961-02-271962-02-20Procédé pour le préparation de dérivés de phénothiazine.
BE614129A
(fr)