Patent US3259587A successfully refreshed from Google Patents.
US3259587A
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US
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Demulsification
Assignee: Baker Petrolite LLC
•
Filing: 1963-08-06
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Granted: 1966-07-05
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Expires: 1983-08-06
Abstract
No abstract record available.
Inventors
- 👤 Woodrow J Dickson
- 👤 Fred W Jenkins
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 20:59
CPC Classifications
C; C08; C08G; C08G73/00; C08G73/02; C08G73/0206; C10; C10G; C10G33/00; C10G33/04; C10L; C10L1/00; C10L1/10; C10L1/14; C10L1/22; C10L1/221; C10L1/222; C10L1/2222; C10L1/2225; C10L1/224; C10L1/228; C10L1/2283; C10L1/232; C10L1/234; C10L1/238; C10L1/2383; C10M; C10M2201/00; C10M2201/02; C10M2215/00; C10M2215/02; C10M2215/04; C10M2215/042; C10M2215/24; C10M2215/26; C10M2217/00; C10M2217/04; C10M2217/046; C10M2217/06; C10N; C10N2030/00; C10N2030/12; C10N2040/00; C10N2040/20; C10N2040/22; C10N2050/00; C10N2050/01
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
49 words
A PROCESS FOR BREAKING, PREVENTING, AND SUPPRESSING EMULSIONS WHICH IS CHARACTERIZED BY SUBJECTNG THE EMULSION TO THE ACTION OF AN AGENT SELECTED FROM THE GROUP CONSISTING OF (1) A BRANCHED POLYALKYLENEPOLYAMINE CONTAINING AT LEAST THREE PRIMARY AMINO GROUPS AND AT LEAST ONE TERTIARY AMINO GROUP AND HAVING THE FORMULA
Claim 2
Dependent Claim
49 words
A PROCESS FOR BREAKING, PREVENTING, AND SUPPRESSING EMULSIONS WHICH IS CHARACTERIZED BY SUBJECTNG THE EMULSION TO THE ACTION OF AN AGENT SELECTED FROM THE GROUP CONSISTING OF (1) A BRANCHED POLYALKYLENEPOLYAMINE CONTAINING AT LEAST THREE PRIMARY AMINO GROUPS AND AT LEAST ONE TERTIARY AMINO GROUP AND HAVING THE FORMULA
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-07-04 | 1970-01-03 | 1970-07-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-07-04 | 1974-01-03 | 1974-07-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-07-04 | 1978-01-03 | 1978-07-05 | $7700.00 | Window Closed / Lapsed |