EP0319865A2
Expired / Lapsed
EP
⏱️ 0.0 years remaining
Carboxymethyl sulfoethyl cellulose and process for its preparation
Assignee: Dow Produktions und Vertriebs GmbH and Co OHG
•
Filing: 1988-12-03
•
Granted: —
•
Expires: 2008-12-03
Abstract
Abstract Translated from German Verbesserte wasserlösliche Carboxymethylsulfoethylcellulosen sind erhältlich durch Suspendierung von Cellulose, Zugabe von Sulfoalkyl bzw. Carboxymethyl übertragenden Verbindungen und Veretherung nach anschließender Alkalisierung. Improved water-soluble carboxymethylsulfoethyl celluloses can be obtained by suspending cellulose, adding sulfoalkyl or carboxymethyl-transferring compounds and etherifying after subsequent alkalization.
Inventors
- 👤 Dieter Dr. Herzog
- 👤 Klaus Dr. Balser
- 👤 Klaus Dr. Szablikowski
Bibliographic Details
Application Number
—
Jurisdiction
EP
Data Source
google_patents
Last Synchronized
2026-11-05 22:58
CPC Classifications
C; C09; C09K; C09K8/00; C09K8/60; C09K8/84; C09K8/86; C09K8/88; C09K8/90; A; A61; A61K; A61K8/00; A61K8/18; A61K8/72; A61K8/73; A61K8/731; A61Q; A61Q19/00; C08; C08B; C08B11/00; C08B11/193; C09K3/00
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
Maintenance schedule is calculated for granted US utility patents.