C01B 25/464
The extracting agent being an ether or a mixture of ethers
Official title: {the extracting agent being an ether or a mixture of ethers}
C01B25/464 (The extracting agent being an ether or a mixture of ethers) appears on 2 US grants and 0 published applications in this corpus.
Search patents in C01B- Granted patents
- 2
- Published applications
- 0
- Assignees
- 2
- Inventors
- 5
- Latest grant
- 22 Aug 1978
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| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 1 | 0 |
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