← Back to Patent Explorer
US2712501A Expired / Lapsed US ⏱️ 0.0 years remaining

Treatment of coffee

Assignee: Hexion Inc
•
Filing: 1954-04-09
•
Granted: 1955-07-05
•
Expires: 1974-04-09
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 James F Hale
  • 👤 Robert B Nottingham
  • 👤 Jr Edward W Pitz

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-02 17:46
CPC Classifications
A; A23; A23F; A23F5/00; A23F5/04

Claims Analysis

Total Claims: 1
Claim 1
Independent Claim 138 words
THE METHOD OF TREATING COFFEE COMPRISING SUBJECTING COFFEE BEAM TO SATURATED STEAM GENERATED FROM MOISTURE OTHER THAN THAT CONTAINED IN THE BEAMS AT A TEMPERATURE WITHIN THE RANGE OF 338* F. TO 435* F. AND AT A PRESSURE WITHIN THE RANGE OF 100 TO 350 POUNDS PER SQUARE INCH GAUGE IN A CLOSED ZONE FOR A PERIOD WITHIN THE RANGE OF 2 TO 15 MINUTES, SIMULATENEOUSLY BLEEDING OFF FROM CLOSED ZONE PART OF THE STEAM AND CONSITUENTS THAT ARE EVOLVED FROM THE BEAM AND ENTRAINED IN THE STEAM, GRADUALLY REDUCING THE PRESSURE IN THE CLOSED ZONE TO ATMOSPHERIC PRESSURE OVER A PERIOD WITHIN THE RANGE OF 30 SECONDS TO 5 MINUTES, SECCESSIVELY GRINDING AND EXTRATING THE PRODUCT OF THE PRECEDING STEP WITH WATER, AND ADJUSTING THE PH OF THE RESULTING EXTRACT WITH A SOLUTION COMPRISING A BASIC COMPOUND.

References Cited (Backward Citations)

US115302A Cited
US308169A Cited
US1788705A Cited
US2581148A Cited
US2632706A Cited
US2572679A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1958-07-04 1959-01-03 1959-07-05 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1962-07-04 1963-01-03 1963-07-05 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1966-07-04 1967-01-03 1967-07-05 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag