US3607748A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sulfur containing hydrocarbon composition
Assignee: Texaco Inc
•
Filing: 1969-02-28
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Granted: 1971-09-21
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Expires: 1989-02-28
Abstract
Abstract Compositions which exhibit improved oxidation resistance and process for producing such compositions prepared by treating an oxidized hydrocarbon material with hydrogen sulfide. The preferred oxidized hydrocarbon material is an oxidized mineral oil which has been oxidized with oxygen, preferred air.
Inventors
- 👤 Raymond F Wilson
- 👤 Reese A Peck
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 06:57
CPC Classifications
C; C10; C10G; C10G29/00; C10G29/02; C10G53/00; C10G53/02; C10G53/14
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
12 words
A composition in accordance with claim 1 wherein said oxidant is air.
Claim 2
Dependent Claim
23 words
A composition in accordance with claim 1 wherein said first and second contacting is conducted in the presence of an oxidation promoting catalyst.
Claim 3
Dependent Claim
22 words
A composition in accordance with claim 3 wherein oxidant is air and said catalyst is potassium sulfate promoted vanadium oxide on silica.
Claim 4
Dependent Claim
20 words
A composition in accordance with claim 3 wherein said oxidant is air and said catalyst is silver oxide on alumina.
Claim 5
Dependent Claim
20 words
A composition in accordance with claim 3 wherein said oxidant is air and said catalyst is copper, chromium on alumina.
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) | 1974-09-20 | 1975-03-22 | 1975-09-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-09-20 | 1979-03-22 | 1979-09-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-09-20 | 1983-03-22 | 1983-09-21 | $7700.00 | Window Closed / Lapsed |