US3350466A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Emulsion separation of aromatic nitro compounds
Assignee: Bayer Corp
•
Filing: 1966-06-06
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Granted: 1967-10-31
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Expires: 1986-06-06
Abstract
No abstract record available.
Inventors
- 👤 William K Menke
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 15:55
CPC Classifications
C; C07; C07C; C07C201/00; C07C201/06; C07C201/16; B; B01; B01D; B01D17/00; B01D17/02; B01D17/04; B01D17/047
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
52 words
A METHOD OF SEPARATING AN EMULSION OF AN AROMATIC NITRO COMPOUND AND THE ACID USED IN THE PREPARATION OF SAID NITRO COMPOUND WHICH COMPRISES MIXING WITH SAID EMULSION AN EFFECTIVE AMOUNT OF THE NITRO COMPOUND PRESENT THEREIN, SAID COMPOUND BEING SUBSTANTIALLY FREE OF ACID TO THEREBY BRING ABOUT SEPARATION OF THE EMULSION.
Claim 2
Independent Claim
52 words
A METHOD OF SEPARATING AN EMULSION OF AN AROMATIC NITRO COMPOUND AND THE ACID USED IN THE PREPARATION OF SAID NITRO COMPOUND WHICH COMPRISES MIXING WITH SAID EMULSION AN EFFECTIVE AMOUNT OF THE NITRO COMPOUND PRESENT THEREIN, SAID COMPOUND BEING SUBSTANTIALLY FREE OF ACID TO THEREBY BRING ABOUT SEPARATION OF THE EMULSION.
References Cited (Backward Citations)
US2400904A
Cited
US2499927A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-10-30 | 1971-05-01 | 1971-10-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-10-30 | 1975-05-01 | 1975-10-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-10-30 | 1979-05-01 | 1979-10-31 | $7700.00 | Window Closed / Lapsed |