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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Hercules Powder Co
Original Assignee
Hercules Powder Co
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Filing date
Publication date
Priority claimed from US257062Aexternal-prioritypatent/US3314809A/en
Application filed by Hercules Powder CofiledCriticalHercules Powder Co
Publication of ES296198A1publicationCriticalpatent/ES296198A1/en
Polysaccharides And Polysaccharide Derivatives
(AREA)
Abstract
A process for preparing hydroxypropylcellulose, characterized by mixing cellulosic material, alkali, water and an inert organic diluent, miscible with water, separating the excess liquid from the resulting alkaline cellulose, and then causing the alkaline cellulose to react with propylene oxide. . (Machine-translation by Google Translate, not legally binding)
ES296198A1963-02-081964-02-07Procedure for preparing hydroxypropylcellulose (Machine-translation by Google Translate, not legally binding)
ExpiredES296198A1
(en)
A procedure for the preparation of the mixed carbonato dexametasona and diciclohexilmetilo. (Machine-translation by Google Translate, not legally binding)