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.)
Hercules Powder Co
Original Assignee
Hercules Powder Co
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Filing date
Publication date
Priority claimed from US257061Aexternal-prioritypatent/US3278520A/en
Application filed by Hercules Powder CofiledCriticalHercules Powder Co
Publication of ES296196A1publicationCriticalpatent/ES296196A1/en
A process for preparing hydroxypropylcellulose, which comprises mixing cellulosic material, alkali and water, in the presence of liquid propylene oxide as a diluent and then etherifying by allowing the propylene oxide to react with the alkaline cellulose. (Machine-translation by Google Translate, not legally binding)
ES296196A1963-02-081964-02-07A procedure for preparing hydroxypropylcellulose (Machine-translation by Google Translate, not legally binding)
ExpiredES296196A1
(en)
Procedure for obtaining derivatives of difficult dialization of the calicreine inactivator (Machine-translation by Google Translate, not legally binding)
A procedure for the preparation of the mixed carbonato dexametasona and diciclohexilmetilo. (Machine-translation by Google Translate, not legally binding)
A procedure for the preparation of the mixed carbonate of diciclohexilmetilo and prednisolona. (Machine-translation by Google Translate, not legally binding)
Procedure for conditioning materials such as fibers, films, hebras, tissues and extrusion products for the best reception of dyes (Machine-translation by Google Translate, not legally binding)
Procedure for the obtaining of a difficult derivative solubility of the calicreine inactivator (Machine-translation by Google Translate, not legally binding)