Patent US3078639A successfully refreshed from Google Patents.
US3078639A
Expired / Lapsed
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Carbon dioxide removal from vapor mixtures
Assignee: Union Carbide Corp
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Filing: 1960-01-19
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Granted: 1963-02-26
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Expires: 1980-01-19
Abstract
No abstract record available.
Inventors
- 👤 Robert M Milton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 04:11
CPC Classifications
C; C10; C10K; C10K3/00; B; B01; B01D; B01D53/00; B01D53/02; B01D53/04; C07; C07C; C07C7/00; C07C7/12; C07C7/13; B01D2253/00; B01D2253/10; B01D2253/106; B01D2253/108; B01D2256/00; B01D2256/10; B01D2256/16; B01D2256/20; B01D2256/24; B01D2257/00; B01D2257/50; B01D2257/504; Y; Y02; Y02C; Y02C20/00; Y02C20/40; Y02P; Y02P20/00; Y02P20/151; Y02P20/50
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
32 words
A PROCESS FOR SEPARATING CARBON DOIXIDE FROM A VAPOR MIXTURE CONTAINING CARBON DIOXIDE AND METHANE, WHICH COMPRISES CONTACTING SAID VAPOR MIXTURE WITH A BED OF AT LEAST PARTIALLY DEHYDRATED CRYSTALLINE ZEOLITE X
Claim 2
Dependent Claim
32 words
A PROCESS FOR SEPARATING CARBON DOIXIDE FROM A VAPOR MIXTURE CONTAINING CARBON DIOXIDE AND METHANE, WHICH COMPRISES CONTACTING SAID VAPOR MIXTURE WITH A BED OF AT LEAST PARTIALLY DEHYDRATED CRYSTALLINE ZEOLITE X
References Cited (Backward Citations)
No citation records indexed.
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 |