US3850846A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Catalyst sulfiding procedure
Assignee: Texaco Inc
•
Filing: 1973-04-19
•
Granted: 1974-11-26
•
Expires: 1993-04-19
Abstract
Abstract 1. A PROCESS FOR THE IN SITU SULFIDING OF A CATALYST WHICH COMPRISES CHARGING A MIXTURE OF A PARTICULATE CATALYST COMPRISING A GROUP VIII METAL OXIDE ON A SUPPORT COMPRISING A REFRACTORY INORGANIC OXIDE AND ENCAPSULATED HYDROLYZABLE SOLID SULFUR-CONTAINING COMPOUND TO A REACTION ZONE TO FORM A CATALYST BED THEREIN, HEATING THE MIXTURE TO REMOVE THE ENCAPSULATING MATERIAL FROM SAID COMPOUND, HYDROLYZING SAID COMPOUND TO PRODUCE H2S WITHIN SAID CATALYST BED THEREBY EFFECTING IN SITU SULFIDING OF SAID CATALYST.
Inventors
- 👤 E Cole
- 👤 S Kravitz
- 👤 J Coone
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 00:10
CPC Classifications
B; B01; B01J; B01J37/00; B01J37/20; B01J23/00; B01J23/38; B01J23/40; B01J23/42
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
78 words
A PROCESS FOR THE IN SITU SULFIDING OF A CATALYST WHICH COMPRISES CHARGING A MIXTURE OF A PARTICULATE CATALYST COMPRISING A GROUP VIII METAL OXIDE ON A SUPPORT COMPRISING A REFRACTORY INORGANIC OXIDE AND ENCAPSULATED HYDROLYZABLE SOLID SULFUR-CONTAINING COMPOUND TO A REACTION ZONE TO FORM A CATALYST BED THEREIN, HEATING THE MIXTURE TO REMOVE THE ENCAPSULATING MATERIAL FROM SAID COMPOUND, HYDROLYZING SAID COMPOUND TO PRODUCE H2S WITHIN SAID CATALYST BED THEREBY EFFECTING IN SITU SULFIDING OF SAID CATALYST.
Claim 2
Dependent Claim
78 words
A PROCESS FOR THE IN SITU SULFIDING OF A CATALYST WHICH COMPRISES CHARGING A MIXTURE OF A PARTICULATE CATALYST COMPRISING A GROUP VIII METAL OXIDE ON A SUPPORT COMPRISING A REFRACTORY INORGANIC OXIDE AND ENCAPSULATED HYDROLYZABLE SOLID SULFUR-CONTAINING COMPOUND TO A REACTION ZONE TO FORM A CATALYST BED THEREIN, HEATING THE MIXTURE TO REMOVE THE ENCAPSULATING MATERIAL FROM SAID COMPOUND, HYDROLYZING SAID COMPOUND TO PRODUCE H2S WITHIN SAID CATALYST BED THEREBY EFFECTING IN SITU SULFIDING OF SAID CATALYST.
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) | 1977-11-25 | 1978-05-27 | 1978-11-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-11-25 | 1982-05-27 | 1982-11-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-11-25 | 1986-05-27 | 1986-11-26 | $7700.00 | Window Closed / Lapsed |