FR844945A
Expired / Lapsed
FR
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Improvements in the preparation of cellulose
Assignee: Eric Berkeley Higgins
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Filing: 1938-10-20
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Granted: 1939-08-04
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Expires: 1958-10-20
Abstract
No abstract record available.
Inventors
- 👤 Eric Berkeley Higgins
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-10-30 16:10
CPC Classifications
D; D21; D21C; D21C3/00; D21C3/22; D21C3/222
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