US3062907A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Anti-emulsion agents in the separation of olefins
Assignee: Individual
•
Filing: 1959-07-06
•
Granted: 1962-11-06
•
Expires: 1979-07-06
Abstract
No abstract record available.
Inventors
- 👤 John T Macht
- 👤 Charles M Finigan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 17:54
CPC Classifications
C; C07; C07C; C07C7/00; C07C7/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
94 words
IN THE PROCESS OF SEPARATING A CONJUGATED DIOLEFIN FROM A LIQUID MIXTURE OF SUCH CONJUGATED DIOLEFIN AND OTHER OLEFINIC AND SATURATED HYDROGARBONS AND WHICH IN CLUDES THE STEPS OF INITMATELY MIXING THE HYDROCARBON MIXTURE WITH A SOLVENT COMPRISING AN AQUEOUS AMMONIACAL SOLUTION OF A COPPER SALT COMPRISING AN ANION CAPABLE OF FORMING CUPROUS SALTS SOLUBLE IN SAID AMMONIACAL SOLUTION AND ALLOWING THE MIXTURE TO SEPARATE INTO A LIQUID HYDROCARBON PHASE AND A DIOLEFIN-ENRICHED LIQUID SOLVENT PHASE IN A SETTLER TANK, THE IMPROVEMENT WHICH COMPRISES EFFECTING SUCH SEPARATION IN THE PRESENCE OF AN ANIONIC SURFACE
Claim 2
Dependent Claim
94 words
IN THE PROCESS OF SEPARATING A CONJUGATED DIOLEFIN FROM A LIQUID MIXTURE OF SUCH CONJUGATED DIOLEFIN AND OTHER OLEFINIC AND SATURATED HYDROGARBONS AND WHICH IN CLUDES THE STEPS OF INITMATELY MIXING THE HYDROCARBON MIXTURE WITH A SOLVENT COMPRISING AN AQUEOUS AMMONIACAL SOLUTION OF A COPPER SALT COMPRISING AN ANION CAPABLE OF FORMING CUPROUS SALTS SOLUBLE IN SAID AMMONIACAL SOLUTION AND ALLOWING THE MIXTURE TO SEPARATE INTO A LIQUID HYDROCARBON PHASE AND A DIOLEFIN-ENRICHED LIQUID SOLVENT PHASE IN A SETTLER TANK, THE IMPROVEMENT WHICH COMPRISES EFFECTING SUCH SEPARATION IN THE PRESENCE OF AN ANIONIC SURFACE
References Cited (Backward Citations)
US2411105A
Cited
US2884474A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-11-05 | 1966-05-07 | 1966-11-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-11-05 | 1970-05-07 | 1970-11-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-11-05 | 1974-05-07 | 1974-11-06 | $7700.00 | Window Closed / Lapsed |