CA973826A
Expired / Lapsed
CA
⏱️ 0.0 years remaining
Extraction or dissolution of soluble materials from coal
Assignee: Coal Industry Patents Ltd
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Filing: 1972-09-15
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Granted: 1975-09-02
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Expires: 1992-09-15
Abstract
No abstract record available.
Inventors
- 👤 Terence G. Martin
- 👤 William S.D. Wise
Bibliographic Details
Application Number
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Jurisdiction
CA
Data Source
google_patents
Last Synchronized
2026-11-01 05:42
CPC Classifications
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Claims Analysis
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References Cited (Backward Citations)
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