US2844535A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Alkaline earth metal petroleum mahogany sulfonates
Assignee: L SONNEBORN SONS Inc
•
Filing: 1953-06-18
•
Granted: 1958-07-22
•
Expires: 1973-06-18
Abstract
No abstract record available.
Inventors
- 👤 Blumer Manuel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 18:42
CPC Classifications
C; C07; C07C; C07C309/00; C07C309/01; C07C309/62
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
107 words
PROCESS FOR THE PRODUCTION OF OIL SOLUTIONS OF BASIC ALKALINE EARTH METAL PETROLEUM MAHOGANY SULFONATES HAVING LOW ALKALINITY, WHICH COMPRISES PASSING OXYGEN IN CONTACT WITH AN ANHYDROUS PETROLEUM OIL SOLUTION OF AN ALKALINE EARTH METAL PETROLEUM OIL SOLUTION OF AN CONTAINING A SUBSTANTIAL QUANTITY OF A MEMBER SELECTED FROM THE GROUP CONSISTING OF OXIDES AND CARBONATES OF SAID ALKALINE EARTH METAL DISPERSED THEREIN AT A TEMPERATURE OF ABOUT 250-350*F. AND CONTINUING SAID CONTACTING WITH SAID OXYGEN FOR A PERIOD OF TIME SUFFICIENT TO PRODUCE AN ALKALINE EARTH METAL PETROLEUM MAHOGANY THAT CONTAINED IN THE NORMAL ALKALINE EARTH METAL PETROLEUM MAHOGANY SULFONATE AND OF A SUBSTANTIALLY REDUCED ALKALINITY.
Claim 2
Dependent Claim
107 words
PROCESS FOR THE PRODUCTION OF OIL SOLUTIONS OF BASIC ALKALINE EARTH METAL PETROLEUM MAHOGANY SULFONATES HAVING LOW ALKALINITY, WHICH COMPRISES PASSING OXYGEN IN CONTACT WITH AN ANHYDROUS PETROLEUM OIL SOLUTION OF AN ALKALINE EARTH METAL PETROLEUM OIL SOLUTION OF AN CONTAINING A SUBSTANTIAL QUANTITY OF A MEMBER SELECTED FROM THE GROUP CONSISTING OF OXIDES AND CARBONATES OF SAID ALKALINE EARTH METAL DISPERSED THEREIN AT A TEMPERATURE OF ABOUT 250-350*F. AND CONTINUING SAID CONTACTING WITH SAID OXYGEN FOR A PERIOD OF TIME SUFFICIENT TO PRODUCE AN ALKALINE EARTH METAL PETROLEUM MAHOGANY THAT CONTAINED IN THE NORMAL ALKALINE EARTH METAL PETROLEUM MAHOGANY SULFONATE AND OF A SUBSTANTIALLY REDUCED ALKALINITY.
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) | 1961-07-21 | 1962-01-20 | 1962-07-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-07-21 | 1966-01-20 | 1966-07-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-07-21 | 1970-01-20 | 1970-07-22 | $7700.00 | Window Closed / Lapsed |