Patent US854439A successfully refreshed from Google Patents.
Patent US3235510A successfully refreshed from Google Patents.
US3235510A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Emulsified anti-corrosion composition
Assignee: Sinclair Research Inc
•
Filing: 1962-04-17
•
Granted: 1966-02-15
•
Expires: 1982-04-17
Abstract
No abstract record available.
Inventors
- 👤 Lawrence V Collings
- 👤 David B Sheldahl
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 13:47
CPC Classifications
C; C23; C23F; C23F11/00; C23F11/08; C23F11/10; C10; C10M; C10M1/00; C10M1/08; C10M2201/00; C10M2201/02; C10M2203/00; C10M2203/10; C10M2203/102; C10M2207/00; C10M2207/02; C10M2207/021; C10M2207/022; C10M2219/00; C10M2219/04; C10M2219/044; C10M2229/00; C10M2229/04; C10M2229/041; C10N; C10N2030/00; C10N2030/12
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
65 words
A SULFONATE-OIL-WATER ANTI-CORROSION EMULSION CHARACTERIZED BY LOW TEMPERATURE STORAGE STABILITY CONSISTING ESSENTIALLY OF ABOUT 30 TO 60% BY WEIGHT OF A MINERAL LUBRICATING OIL, ABOUT 2 TO 10% BY WEIGHT OF AN AROMATIC SULFONATE SELECTED FROM THE GROUP CONSISTING OF THE SODIUM AND AMMONIUM SALTS OF THE OIL-SOLUBLE AROMATIC SULFONIC ACIDS, ABOUT 5 TO 12% BY WEIGHT OF A POLYHYDRIC ALCOHOL HAVING THE STRUCTURAL FORMULA
Claim 2
Dependent Claim
65 words
A SULFONATE-OIL-WATER ANTI-CORROSION EMULSION CHARACTERIZED BY LOW TEMPERATURE STORAGE STABILITY CONSISTING ESSENTIALLY OF ABOUT 30 TO 60% BY WEIGHT OF A MINERAL LUBRICATING OIL, ABOUT 2 TO 10% BY WEIGHT OF AN AROMATIC SULFONATE SELECTED FROM THE GROUP CONSISTING OF THE SODIUM AND AMMONIUM SALTS OF THE OIL-SOLUBLE AROMATIC SULFONIC ACIDS, ABOUT 5 TO 12% BY WEIGHT OF A POLYHYDRIC ALCOHOL HAVING THE STRUCTURAL FORMULA
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) | 1969-02-14 | 1969-08-16 | 1970-02-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-02-14 | 1973-08-16 | 1974-02-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-02-14 | 1977-08-16 | 1978-02-15 | $7700.00 | Window Closed / Lapsed |