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US2944982A Expired / Lapsed US ⏱️ 0.0 years remaining

Process for breaking petroleum emulsions employing certain oxyalkylated acyclic diglycerols

Assignee: Baker Petrolite LLC
•
Filing: 1954-06-10
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Granted: 1960-07-12
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Expires: 1974-06-10
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Abstract

No abstract record available.

Inventors

  • 👤 Groote Melvin De
  • 👤 Owen H Pettingil

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-04 07:33
CPC Classifications
C; C10; C10G; C10G33/00; C10G33/04

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 107 words
A PROCESS FOR BREAKING PETROLEUM EMULSIONS OF THE WATER-IN-OIL TYPE CHARACTERIZED BY SUBJECTING THE EMULSION TO A DEMULSIFYING AGENT INCLUDING A COGENERIC MIXTURE OF A HOMOLOGOUS SERIES OF GLYCOL ETHERS OF ACYCLIC DIGLYCEROL, SAID COGENERIC MIXTURE BEING DERIVED EXCLUSIVELY FROM ACYCLIC DIGLYCEROL, ETHYLENE OCIDE AND BUTYLENE OXIDE IN SUCH WEIGHT PROPORTIONS SO THE AVERAGE COMPOSITION OF SAID COGENERIC MIXTURE, STATED IN TERMS OF INITIAL REACTANTS, LIED APPROXIMATELY WITHIN THE 5-SIDED FIGURE OF THE ACCOMPANYING DRAWING IN WHICH THE MINIMUM ACYLIC DIGLYCEROL CONTENT IS AT LEAST 1.5% AND WHICH 5-SIDED FIGURE IS IDENTIFIED BY THE FACT THAT ITS AREA LIES WITHIN THE STRAIGHT LINES CONNECTING A,B,C,D, AND H.
Claim 2
Dependent Claim 107 words
A PROCESS FOR BREAKING PETROLEUM EMULSIONS OF THE WATER-IN-OIL TYPE CHARACTERIZED BY SUBJECTING THE EMULSION TO A DEMULSIFYING AGENT INCLUDING A COGENERIC MIXTURE OF A HOMOLOGOUS SERIES OF GLYCOL ETHERS OF ACYCLIC DIGLYCEROL, SAID COGENERIC MIXTURE BEING DERIVED EXCLUSIVELY FROM ACYCLIC DIGLYCEROL, ETHYLENE OCIDE AND BUTYLENE OXIDE IN SUCH WEIGHT PROPORTIONS SO THE AVERAGE COMPOSITION OF SAID COGENERIC MIXTURE, STATED IN TERMS OF INITIAL REACTANTS, LIED APPROXIMATELY WITHIN THE 5-SIDED FIGURE OF THE ACCOMPANYING DRAWING IN WHICH THE MINIMUM ACYLIC DIGLYCEROL CONTENT IS AT LEAST 1.5% AND WHICH 5-SIDED FIGURE IS IDENTIFIED BY THE FACT THAT ITS AREA LIES WITHIN THE STRAIGHT LINES CONNECTING A,B,C,D, AND H.

References Cited (Backward Citations)

US2507910A Cited
US2662859A Cited
US2552528A Cited
US2624766A Cited
US2617830A Cited
US2574544A Cited
US2677700A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1963-07-12 1964-01-11 1964-07-12 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1967-07-12 1968-01-11 1968-07-12 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1971-07-12 1972-01-11 1972-07-12 $7700.00 Window Closed / Lapsed

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