US3098705A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for removing carbonyl sulfide from petroleum gases
Assignee: Shell USA Inc
•
Filing: 1960-12-05
•
Granted: 1963-07-23
•
Expires: 1980-12-05
Abstract
No abstract record available.
Inventors
- 👤 Adrianus P Bally
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 01:40
CPC Classifications
C; C07; C07C; C07C7/00; C07C7/11; C10; C10K; C10K1/00; C10K1/08; C10K1/10; C10K1/12; C10K1/14; C10K1/143
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
36 words
THE METHOD OF REMOVING CARBONYL SULFIDE FROM ADMIXTURE WITH NORMALLY GASEOUS HYDROCARBONS WHICH COMPRISES INTIMATELY CONTACTING SAID HYDROCARBONS IN VAPOR PHASE WITH AN AQUEOUS SOLUTION CONSISTING ESSENTIALLY OF 10-60% BY WEIGHT DI(ISOPROPANOL) AMINE AT A TEMPERA-
Claim 2
Independent Claim
36 words
THE METHOD OF REMOVING CARBONYL SULFIDE FROM ADMIXTURE WITH NORMALLY GASEOUS HYDROCARBONS WHICH COMPRISES INTIMATELY CONTACTING SAID HYDROCARBONS IN VAPOR PHASE WITH AN AQUEOUS SOLUTION CONSISTING ESSENTIALLY OF 10-60% BY WEIGHT DI(ISOPROPANOL) AMINE AT A TEMPERA-
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-07-22 | 1967-01-21 | 1967-07-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-07-22 | 1971-01-21 | 1971-07-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-07-22 | 1975-01-21 | 1975-07-23 | $7700.00 | Window Closed / Lapsed |