US2816146A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Preparation of organic sulfides
Assignee: Union Oil Company of California
•
Filing: 1953-04-06
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Granted: 1957-12-10
•
Expires: 1973-04-06
Abstract
No abstract record available.
Inventors
- 👤 Thomas F Doumani
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 12:25
CPC Classifications
C; C07; C07C; C07C319/00; C07C319/14
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
101 words
A PROCESS FOR PREPARING A LOWER ALKYL SULFIDE WHICH COMPRISES CONTACTING A GASEOUS FEED MIXTURE COMPRISING A LOWER ALKANOL PLUS HYDROGEN SULFIDE WITH AN ACIDIC CRACKING CATALYST AT A REACTION TEMPERATURE BETWEEN ABOUT 500* AND 1200*F., AND RECOVERING ALKAYL SULFIDE FROM THE REACTION PRODUCTS, SAID CRACKING CATALYST CONSISTING ESSENTIALLY OF (1) AN ADSORBENT METALLIC OXIDE SELECTED FROM THE GROUP CONSISTING OF ALUMINA, MAGNESIA, AND ZIRCONIA AND (2) INTIMATELY ADMIXED THERWITH AN ACID-FORMING COMPONENT SELECTED FROM THE GROUP CONSISTING OF SILICA BORIA, AND INORGANIC ACIDS, SUFFICIENT OF SAID ACID-FORMING COMPONENT BEING PRESSURE TO RENDER SAID CATALYST ACIDIC UNDER THE SAID REACTION CONDITIONS.
Claim 2
Dependent Claim
101 words
A PROCESS FOR PREPARING A LOWER ALKYL SULFIDE WHICH COMPRISES CONTACTING A GASEOUS FEED MIXTURE COMPRISING A LOWER ALKANOL PLUS HYDROGEN SULFIDE WITH AN ACIDIC CRACKING CATALYST AT A REACTION TEMPERATURE BETWEEN ABOUT 500* AND 1200*F., AND RECOVERING ALKAYL SULFIDE FROM THE REACTION PRODUCTS, SAID CRACKING CATALYST CONSISTING ESSENTIALLY OF (1) AN ADSORBENT METALLIC OXIDE SELECTED FROM THE GROUP CONSISTING OF ALUMINA, MAGNESIA, AND ZIRCONIA AND (2) INTIMATELY ADMIXED THERWITH AN ACID-FORMING COMPONENT SELECTED FROM THE GROUP CONSISTING OF SILICA BORIA, AND INORGANIC ACIDS, SUFFICIENT OF SAID ACID-FORMING COMPONENT BEING PRESSURE TO RENDER SAID CATALYST ACIDIC UNDER THE SAID REACTION CONDITIONS.
References Cited (Backward Citations)
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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) | 1960-12-09 | 1961-06-10 | 1961-12-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-12-09 | 1965-06-10 | 1965-12-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-12-09 | 1969-06-10 | 1969-12-10 | $7700.00 | Window Closed / Lapsed |