Patent JPS5756044U successfully refreshed from Google Patents.
US3078637A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for the removal of carbon dioxide from ethylene
Assignee: Union Carbide Corp
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Filing: 1959-11-27
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Granted: 1963-02-26
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Expires: 1979-11-27
Abstract
No abstract record available.
Inventors
- 👤 Robert M Milton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 13:16
CPC Classifications
B; B01; B01D; B01D53/00; B01D53/02; C; C07; C07C; C07C7/00; C07C7/12; C07C7/13; Y; Y02; Y02C; Y02C20/00; Y02C20/20; Y02C20/40; Y02P; Y02P20/00; Y02P20/151; Y02P20/50
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
44 words
A PROCESS FOR THE REMOVAL OF CARBON DIOXIDE FROM MIXTURE WITH ETHYKENE WHICH COMPRISES PROVIDING A ZEOLITE A HAVING A PORE SIZE SUFFICIENTLY LARGE TO RECEIVE THE CARBON DIOXIDE MOLECULE, AND INTIMATELY MIXING SAID ZEOLITE A AND SAID MIXTURE OF CARBON DIOXIDE AND ETHYLENE.
Claim 2
Dependent Claim
44 words
A PROCESS FOR THE REMOVAL OF CARBON DIOXIDE FROM MIXTURE WITH ETHYKENE WHICH COMPRISES PROVIDING A ZEOLITE A HAVING A PORE SIZE SUFFICIENTLY LARGE TO RECEIVE THE CARBON DIOXIDE MOLECULE, AND INTIMATELY MIXING SAID ZEOLITE A AND SAID MIXTURE OF CARBON DIOXIDE AND ETHYLENE.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-02-25 | 1966-08-27 | 1967-02-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-02-25 | 1970-08-27 | 1971-02-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-02-25 | 1974-08-27 | 1975-02-26 | $7700.00 | Window Closed / Lapsed |