← Back to Patent Explorer
US2815285A Expired / Lapsed US ⏱️ 0.0 years remaining

Method of making stable pourable oleaginous suspensions

Assignee: Procter and Gamble Co
•
Filing: 1955-10-28
•
Granted: 1957-12-03
•
Expires: 1975-10-28
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 George W Holman
  • 👤 Judson H Sanders

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-26 04:06
CPC Classifications
A; A23; A23D; A23D9/00; A23D9/02

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 122 words
THE METHOD OF MAKING APOURABLE OLEAGINOUS SUSPENSION OF FINELY DIVIDED, NORMALLYSOLID GLYCERIDES IN A NORMALLY LIQUID GLYCERIDE VEHICLE, AND SOLID GLYCERIDES BEING CAPABLE OF EXISTING IN A STABLE BETA CRYSTALLINE PHASE ANS COMPRISING FROM ABOUT 1% TO ABOUT 20%, BY WEIGHT, OF SAID SUSPENSION, COMPRISING THE STEPS OF FORMING A MIXTURE OF SAID SOLID GLYCERIDES AND SAID LIQUID GLYCERIDE VEHICLE AT A TEMPERATURE SUFFICIENTLY HIGH TO MELT ALL OF SAID SOLID GLYCERIDES, COOLING SAID MIXTURE TO A TEMPERATURE BELOW THE ALPHA MELTING TEMPERATURE OF SAID SOLID GLYCERIDES IN NOT MORE THAN 3 MINUTES, AND TEMPERING SAID MIXTURE TO CONVERT NON-BETA CRYSTALS TO A BETA PHASE TO SUCH AN EXTEND THAT AT LEAST 60% OF THE SOLID GLYCERIDES ARE IN A BETA PHASE.
Claim 2
Independent Claim 122 words
THE METHOD OF MAKING APOURABLE OLEAGINOUS SUSPENSION OF FINELY DIVIDED, NORMALLYSOLID GLYCERIDES IN A NORMALLY LIQUID GLYCERIDE VEHICLE, AND SOLID GLYCERIDES BEING CAPABLE OF EXISTING IN A STABLE BETA CRYSTALLINE PHASE ANS COMPRISING FROM ABOUT 1% TO ABOUT 20%, BY WEIGHT, OF SAID SUSPENSION, COMPRISING THE STEPS OF FORMING A MIXTURE OF SAID SOLID GLYCERIDES AND SAID LIQUID GLYCERIDE VEHICLE AT A TEMPERATURE SUFFICIENTLY HIGH TO MELT ALL OF SAID SOLID GLYCERIDES, COOLING SAID MIXTURE TO A TEMPERATURE BELOW THE ALPHA MELTING TEMPERATURE OF SAID SOLID GLYCERIDES IN NOT MORE THAN 3 MINUTES, AND TEMPERING SAID MIXTURE TO CONVERT NON-BETA CRYSTALS TO A BETA PHASE TO SUCH AN EXTEND THAT AT LEAST 60% OF THE SOLID GLYCERIDES ARE IN A BETA PHASE.

References Cited (Backward Citations)

US2521242A Cited
US2521219A Cited
US2521243A Cited
US2721803A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1960-12-02 1961-06-03 1961-12-03 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1964-12-02 1965-06-03 1965-12-03 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1968-12-02 1969-06-03 1969-12-03 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag