US2593676A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Slushing compositions
Assignee: Standard Oil Co
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Filing: 1949-08-03
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Granted: 1952-04-22
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Expires: 1969-08-03
Abstract
No abstract record available.
Inventors
- 👤 Ernest R Irwin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 12:14
CPC Classifications
C; C10; C10M; C10M1/00; C10M1/08; C10M2203/00; C10M2203/10; C10M2205/00; C10M2205/14; C10M2205/16; C10M2205/17; C10M2205/22; C10M2207/00; C10M2207/10; C10M2207/12; C10M2207/125; C10M2209/00; C10M2209/10; C10M2209/101; C10M2219/00; C10M2219/04; C10M2219/044; C10N; C10N2010/00; C10N2010/02; C10N2010/04; C10N2010/08; C10N2010/14; C10N2010/16; C10N2030/00; C10N2030/12
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
120 words
A SLUSHING COMPOSITION CONSISTING ESSENTIALLY OF THE FOLLOWING INGREDIENTS IN THE FOLLOWING APPROXIMATE PROPORTIONS. PERCENT METAL SOAP OF MAHOGANY ACIDS HAVING MOLECULAR WEIGHTS OF ABOUT 470 TO 500--- 1-14 POLYVALENT METAL SOAP OF MAHOGANY ACIDS HAVING MOLECULAR WEIGHTS OF ABOUT 350 TO 450 5-15 PETROLATUM 1-14 PETROLEUM RESID 0.5-5 POUR POINT DEPRESSOR 0- 2 HYDROCARBON OIL 65-85 THE SUM OF THE MAHOGANY ACID SOAPS AMOUNTING TO FROM ABOUT 5% TO ABOUT 15% OF THE TOTAL COMPOSITION, SAID PETROLEUM RESID HAVNG A FUROL VISCOSITY AT 210* F. OF FROM ABOUT 200 SECONDS TO ABOUT 1000 SECONDS, AND SAID POURPOINT DEPRESSOR BEING OBTAINED BY THE CHEMICAL CONDENSATION OF A CHLORINATED PARAFFIN WAX AND A NAPHTHALENE IN THE PRESENCE OF A FRIEDEL-CRAFTS CATALYST.
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) | 1955-04-22 | 1955-10-22 | 1956-04-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-04-22 | 1959-10-22 | 1960-04-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-04-22 | 1963-10-22 | 1964-04-22 | $7700.00 | Window Closed / Lapsed |