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CA933307A
Expired / Lapsed
CA
⏱️ 0.0 years remaining
Lignin-preserving bleaching of cellulose pulp
Assignee: Forestry Research Institute of Sweden
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Filing: 1969-11-19
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Granted: 1973-09-11
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Expires: 1989-11-19
Abstract
No abstract record available.
Inventors
- 👤 F. Gierer Josef
- 👤 T. Norin Carl
Bibliographic Details
Application Number
—
Jurisdiction
CA
Data Source
google_patents
Last Synchronized
2026-11-06 05:28
CPC Classifications
D; D21; D21C; D21C9/00; D21C9/10; D21C9/16; D21C9/163
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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