US3078640A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Separation of sulfur compounds from vapor mixtures
Assignee: Union Carbide Corp
•
Filing: 1959-12-18
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Granted: 1963-02-26
•
Expires: 1979-12-18
Abstract
No abstract record available.
Inventors
- 👤 Robert M Milton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 19:53
CPC Classifications
C; C10; C10K; C10K1/00; C10K1/32; Y; Y10; Y10S; Y10S95/00; Y10S95/90; Y10S95/902
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
16 words
A PROCESS FOR SEPARATING HYDROGEN SULFIDE FROM A VAPOR MIXTURE CONTAINING HYDROGEN SULFIDE AND AT LEAST
Claim 2
Dependent Claim
16 words
A PROCESS FOR SEPARATING HYDROGEN SULFIDE FROM A VAPOR MIXTURE CONTAINING HYDROGEN SULFIDE AND AT LEAST
References Cited (Backward Citations)
US2818449A
Cited
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 |