Patent US2776317A successfully refreshed from Google Patents.
US2776317A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Partial oxidation of hydrocarbons in the presence of sulfur dioxide
Assignee: Dresser Operations Inc
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Filing: 1952-03-25
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Granted: 1957-01-01
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Expires: 1972-03-25
Abstract
No abstract record available.
Inventors
- 👤 Iii William H Reeder
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 22:47
CPC Classifications
C; C07; C07C; C07C37/00; C07C37/58; C07C45/00; C07C45/27; C07C45/32; C07C45/33
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
62 words
THE METHOD OF EFFECTING LIMITED OXIDATION OF HYDROCARBONS WITH FORMATION OF OXYGENATED HYDROCARBONS WHICH COMPRISES REACTING IN VAPOR PHASE A HYDROCARBON IWTH OXYGEN IN CONTACT WITH A SOLID ADSORPTIVE MATERIAL AND IN THE PRESENCE OF A VOLUME OF SULFUR DIOXIDE AT LEAST EQUAL TO THE VOLUME OF SAID OXYGEN, WHILE MAINTAINING THE REACTION TEMPERATURE IN THE RANGE OF ABOUT 175/ TO 450*C.
Claim 2
Independent Claim
62 words
THE METHOD OF EFFECTING LIMITED OXIDATION OF HYDROCARBONS WITH FORMATION OF OXYGENATED HYDROCARBONS WHICH COMPRISES REACTING IN VAPOR PHASE A HYDROCARBON IWTH OXYGEN IN CONTACT WITH A SOLID ADSORPTIVE MATERIAL AND IN THE PRESENCE OF A VOLUME OF SULFUR DIOXIDE AT LEAST EQUAL TO THE VOLUME OF SAID OXYGEN, WHILE MAINTAINING THE REACTION TEMPERATURE IN THE RANGE OF ABOUT 175/ TO 450*C.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-01-01 | 1960-07-02 | 1961-01-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-01-01 | 1964-07-02 | 1965-01-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-01-01 | 1968-07-02 | 1969-01-01 | $7700.00 | Window Closed / Lapsed |