US3266219A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Removal of acid constituents from gas mixtures
Assignee: Union Oil Company of California
•
Filing: 1962-12-27
•
Granted: 1966-08-16
•
Expires: 1982-12-27
Abstract
No abstract record available.
Inventors
- 👤 Byron B Woertz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 08:27
CPC Classifications
B; B01; B01D; B01D53/00; B01D53/14; B01D53/1493; B01D53/1456; B01D53/1475; Y; Y02; Y02C; Y02C20/00; Y02C20/40
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
44 words
THE PROCESS OF REMOVING GASEOUS ACID GAS FROM ADMIXTURE WITH GASEOUS C1-C3 ALKANE HYDROCARBONS, WHICH COMPRISES CONTACTING SAID GASEOUS ADMIXTURE WITH AN ACID GAS SELECTED FROM THE GROUP CONSISTING OF CARBON DIOXIDE AND HYDROCARBON SULFIDE SOLVENT CONSISTING ESSENTIALLY OF METHYL DIMETHOXYACETATE, UNDER CONDITIONS RE-
Claim 2
Dependent Claim
44 words
THE PROCESS OF REMOVING GASEOUS ACID GAS FROM ADMIXTURE WITH GASEOUS C1-C3 ALKANE HYDROCARBONS, WHICH COMPRISES CONTACTING SAID GASEOUS ADMIXTURE WITH AN ACID GAS SELECTED FROM THE GROUP CONSISTING OF CARBON DIOXIDE AND HYDROCARBON SULFIDE SOLVENT CONSISTING ESSENTIALLY OF METHYL DIMETHOXYACETATE, UNDER CONDITIONS RE-
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-08-15 | 1970-02-14 | 1970-08-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-08-15 | 1974-02-14 | 1974-08-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-08-15 | 1978-02-14 | 1978-08-16 | $7700.00 | Window Closed / Lapsed |