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.)
BASF Schweiz AG
Original Assignee
Gesellschaft fuer Chemische Industrie in Basel CIBA
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Filing date
Publication date
Application filed by Gesellschaft fuer Chemische Industrie in Basel CIBAfiledCriticalGesellschaft fuer Chemische Industrie in Basel CIBA
Publication of ES148201A1publicationCriticalpatent/ES148201A1/es
Procedimiento de fabricar vidrio esponjoso a base de polvo de vidrio y con adicción de sustancias que emiten gas a las temperaturas correspondientes al ablandamiento del vidrio
Procedimiento para la obtención por el método al sulfito y partiendo de materias primas celulósicas, de celulosas adecuadas para su ulterior elaboración química