US2818419A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for producing low viscosity petrolatum oxidate
Assignee: Texaco Inc
•
Filing: 1955-09-30
•
Granted: 1957-12-31
•
Expires: 1975-09-30
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
2026-11-09 13:01
CPC Classifications
C; C10; C10M; C10M1/00; C10M1/08; C10G; C10G73/00; C10G73/38; C10M2205/00; C10M2205/16; C10N; C10N2040/00; C10N2040/30; C10N2040/32; C10N2040/34; C10N2040/36; C10N2040/38; C10N2040/40; C10N2040/42; C10N2040/44; C10N2040/50; C10N2060/00; C10N2060/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
70 words
A PROCESS FOR PRODUCING A LOW VISCOSITY, HIGH ESTERR CONTENT PETROLATUM OXIDATE CHARACTERIZED BY A NEUT, NO. TO SAP, NO, RATIO LESS THAN 0.2 AND BY AN SUV AT 210*F. LESS THAN 700, WHICH COMPRISES REACTING PETROLATUM WITH AIR IN THE PRESENCE OF A CATALYST AT AN AIR VELOCITY BETWEEN 0.1 TO 1.5 FEET PER SECOND AT A TEMPERATURE BETWEEN 300 AND 380*F. AND AT A PRESSURE BELOW 20P, S,I,G.
Claim 2
Dependent Claim
70 words
A PROCESS FOR PRODUCING A LOW VISCOSITY, HIGH ESTERR CONTENT PETROLATUM OXIDATE CHARACTERIZED BY A NEUT, NO. TO SAP, NO, RATIO LESS THAN 0.2 AND BY AN SUV AT 210*F. LESS THAN 700, WHICH COMPRISES REACTING PETROLATUM WITH AIR IN THE PRESENCE OF A CATALYST AT AN AIR VELOCITY BETWEEN 0.1 TO 1.5 FEET PER SECOND AT A TEMPERATURE BETWEEN 300 AND 380*F. AND AT A PRESSURE BELOW 20P, S,I,G.
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) | 1960-12-30 | 1961-07-01 | 1961-12-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-12-30 | 1965-07-01 | 1965-12-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-12-30 | 1969-07-01 | 1969-12-31 | $7700.00 | Window Closed / Lapsed |