US2594541A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for breaking petroleum emulsions
Assignee: Baker Petrolite LLC
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Filing: 1949-12-22
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Granted: 1952-04-29
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Expires: 1969-12-22
Abstract
No abstract record available.
Inventors
- 👤 Ltd Melvin De Groote
- 👤 Keiser Bernhard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 04:08
CPC Classifications
C; C10; C10G; C10G33/00; C10G33/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
111 words
A PROCESS FOR BAKING PETROLEUM EMULSIONS OF THE WATER-IN-OIL TYPE, CHARACTERIZED BY SUBJECTING THE EMULSION TO THE ACTION OF A DEMULSIFLER INCLUDING A COGENERIC MIXTUE OF A HOMOLOGOUS SERIES OF GLYCOL ETHERS OF OXYALKYLATIONSUSCEPTIBLE, FUSIBLE, ORGANIC SOLVENT-SOLUBLE, WATER-INSOLUBLE, PHENOL-ALDEHYDE RESINS; SAID COGENERIC MIXTURE BEING DERIVED EXCLUSIVELY FROM PHENOL-ALDHYDE RESIN, GLYCIDE, ETHYLENE OXIDE AND PROPYLENE OXIDE IN SUCH WEIGHT PROPORTIONS SO THE AVERAGE COMPOSITION OF SAID COGENERIC MIXTURE STATED IN TERMS OF INITIAL REACTANTS LIES APPROXIMATELY WITHIN THE TRUNCATED TRAPEZIODAL PYRAMID INDENTIFIED AS E,F,G,HI,J,K,L IN FIGURE 4, WITH THE PROVISO THAT THE PERCENTAGE OF GLYCIDE IN WITHIN THE LIMITS OF 2% TO 25% BY WEIGHT AND THAT THE REMAINING THREE INITIAL RE-
Claim 2
Dependent Claim
111 words
A PROCESS FOR BAKING PETROLEUM EMULSIONS OF THE WATER-IN-OIL TYPE, CHARACTERIZED BY SUBJECTING THE EMULSION TO THE ACTION OF A DEMULSIFLER INCLUDING A COGENERIC MIXTUE OF A HOMOLOGOUS SERIES OF GLYCOL ETHERS OF OXYALKYLATIONSUSCEPTIBLE, FUSIBLE, ORGANIC SOLVENT-SOLUBLE, WATER-INSOLUBLE, PHENOL-ALDEHYDE RESINS; SAID COGENERIC MIXTURE BEING DERIVED EXCLUSIVELY FROM PHENOL-ALDHYDE RESIN, GLYCIDE, ETHYLENE OXIDE AND PROPYLENE OXIDE IN SUCH WEIGHT PROPORTIONS SO THE AVERAGE COMPOSITION OF SAID COGENERIC MIXTURE STATED IN TERMS OF INITIAL REACTANTS LIES APPROXIMATELY WITHIN THE TRUNCATED TRAPEZIODAL PYRAMID INDENTIFIED AS E,F,G,HI,J,K,L IN FIGURE 4, WITH THE PROVISO THAT THE PERCENTAGE OF GLYCIDE IN WITHIN THE LIMITS OF 2% TO 25% BY WEIGHT AND THAT THE REMAINING THREE INITIAL RE-
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) | 1955-04-29 | 1955-10-29 | 1956-04-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-04-29 | 1959-10-29 | 1960-04-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-04-29 | 1963-10-29 | 1964-04-29 | $7700.00 | Window Closed / Lapsed |