US3170880A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dispersions of calcium compounds in oils
Assignee: Bray Oil Co
•
Filing: 1959-11-17
•
Granted: 1965-02-23
•
Expires: 1979-11-17
Abstract
No abstract record available.
Inventors
- 👤 Voorhees Vanderveer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 22:20
CPC Classifications
C; C10; C10M; C10M159/00; C10M159/12; C10M159/20; C10M2201/00; C10M2201/06; C10M2201/062; C10M2205/00; C10M2205/16; C10M2207/00; C10M2207/10; C10M2207/12; C10M2207/121; C10M2207/123; C10M2207/125; C10M2207/129; C10M2207/16; C10M2207/22; C10M2209/00; C10M2209/12; C10M2219/00; C10M2219/04; C10M2219/044; C10M2219/046; C10M2223/00; C10M2223/06; C10M2223/065; C10M2225/00; C10M2225/04; C10M2225/041; C10N; C10N2010/00; C10N2010/04; C10N2010/06; C10N2010/14; C10N2010/16; C10N2060/00; C10N2060/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
62 words
THE PROCESS OF PREPARING DISPERSIONS OF CALCIUM COMPOUNDS IN OILS COMPRISING REACTING CALCIUM OXIDE WITH AN ACID REAGENT SELECTED FROM THE CLASS CONSISTING OF ACIDS AND ACID ANYHDRIDES WHOSE CALCIUM SALTS ARE WATER INSOLUBLE, IN THE PRESENCE OF AN EMULSION OF OIL, METHANOL AND AN OIL SOLUBLE EMULSIFYING AGENT IN THE ABSENCE OF WATER, SAID REACTANTS BEING PRESENT IN THE FOLLOWING RATIOS:
Claim 2
Dependent Claim
62 words
THE PROCESS OF PREPARING DISPERSIONS OF CALCIUM COMPOUNDS IN OILS COMPRISING REACTING CALCIUM OXIDE WITH AN ACID REAGENT SELECTED FROM THE CLASS CONSISTING OF ACIDS AND ACID ANYHDRIDES WHOSE CALCIUM SALTS ARE WATER INSOLUBLE, IN THE PRESENCE OF AN EMULSION OF OIL, METHANOL AND AN OIL SOLUBLE EMULSIFYING AGENT IN THE ABSENCE OF WATER, SAID REACTANTS BEING PRESENT IN THE FOLLOWING RATIOS:
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) | 1968-02-23 | 1968-08-24 | 1969-02-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-02-23 | 1972-08-24 | 1973-02-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-02-23 | 1976-08-24 | 1977-02-23 | $7700.00 | Window Closed / Lapsed |