US2705241A
Expired / Lapsed
US
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Process for producing high viscosity wax oxidate
Assignee: Texaco Inc
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Filing: 1950-10-26
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Granted: 1955-03-29
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Expires: 1970-10-26
Abstract
No abstract record available.
Inventors
- 👤 John K Mckinley
- 👤 Gordon S Bright
- 👤 Roy F Nelson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 18:12
CPC Classifications
C; C10; C10G; C10G73/00; C10G73/38; C10M; C10M1/00; C10M1/08; C10M2205/00; C10M2205/16; C10N; C10N2060/00; C10N2060/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
73 words
A WAX OXIDATE DERIVED BY THE CATALYTIC LIQUID PHASE OXIDATION OF PETROLATUM AT A TEMPERATURE BETWEEN 270 AND 400*F., AT A PRESSURE BELOW 20 POUNDS PER SQUARE INCH GAUGE AND AT AN AIR FEED RATE OF 15 TO 35 CUBIC FEET OF AIR PER POUND OF PETROLATUM PER HOUR, SAID OXIDATE BEING CHARACTERIZED BY A NEUT. NO. TO SAP. NO. RATIO LESS THAN 0.25 AND A SAYBOLT VISCOSITY AT 210*F. GREATER THAN 4,000.
Claim 2
Dependent Claim
73 words
A WAX OXIDATE DERIVED BY THE CATALYTIC LIQUID PHASE OXIDATION OF PETROLATUM AT A TEMPERATURE BETWEEN 270 AND 400*F., AT A PRESSURE BELOW 20 POUNDS PER SQUARE INCH GAUGE AND AT AN AIR FEED RATE OF 15 TO 35 CUBIC FEET OF AIR PER POUND OF PETROLATUM PER HOUR, SAID OXIDATE BEING CHARACTERIZED BY A NEUT. NO. TO SAP. NO. RATIO LESS THAN 0.25 AND A SAYBOLT VISCOSITY AT 210*F. GREATER THAN 4,000.
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) | 1958-03-28 | 1958-09-27 | 1959-03-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-03-28 | 1962-09-27 | 1963-03-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-03-28 | 1966-09-27 | 1967-03-29 | $7700.00 | Window Closed / Lapsed |