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US2853387A Expired / Lapsed US ⏱️ 0.0 years remaining

Coffee concentrate and process of producing same

Assignee: Hills Bros Coffee Inc
•
Filing: 1951-07-14
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Granted: 1958-09-23
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Expires: 1971-07-14
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Abstract

No abstract record available.

Inventors

  • 👤 Nutting Lee

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-26 07:47
CPC Classifications
A; A23; A23F; A23F5/00; A23F5/46; A23F5/48; A23F5/486

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 122 words
A PROCESS OF PREPARING A DRY COFFEE CONCENTATTE WITH RESTORED VOLATILE FLAVORING CONSTITUENTS, INCLUDING THE STEPS OF INTRODUCING STEAM INTO THE GROUND ROASTED COFFEE TO WET AND TO LIBERATE THE VOLATILE CONSISTUENTS THEREOF, CONDENSING THE STEAN AND VOLATILES MIXTURE TO FORM AN EXTRACT OF THE VOLATILE CONSISTUENTS OF THE COFFEE, NEUTRALIZING THE EXTRACT OF THE VOLATILE CONSISTUENTS OF THE COFFEE, EXTRACTING THE VOLATILE CONSISTUENTS OF THE COFFEE WITH A SOLVENT TO REMOVE THE WATER THEREFROM, SUBSEQUENTLY TREATING THE GROUND ROASTED COFFEE WITH WATER TO FORM AN AQUEOUS EXTRACTION, CONCENTRATING THE AQUEOUS EXTRACTION TO REDUCE THE WATER CONTENT THEREOF, DRYING TEH CONCENTRATED AQUEOUS EXTRACTION AND THEN MIXING THE SOLVENT EXTRACTION WITH THE DRY AQUEOUS EXTRACTION, AND THEN REMOVING THE SOLVENT FROM THE MIXTURE.
Claim 2
Dependent Claim 122 words
A PROCESS OF PREPARING A DRY COFFEE CONCENTATTE WITH RESTORED VOLATILE FLAVORING CONSTITUENTS, INCLUDING THE STEPS OF INTRODUCING STEAM INTO THE GROUND ROASTED COFFEE TO WET AND TO LIBERATE THE VOLATILE CONSISTUENTS THEREOF, CONDENSING THE STEAN AND VOLATILES MIXTURE TO FORM AN EXTRACT OF THE VOLATILE CONSISTUENTS OF THE COFFEE, NEUTRALIZING THE EXTRACT OF THE VOLATILE CONSISTUENTS OF THE COFFEE, EXTRACTING THE VOLATILE CONSISTUENTS OF THE COFFEE WITH A SOLVENT TO REMOVE THE WATER THEREFROM, SUBSEQUENTLY TREATING THE GROUND ROASTED COFFEE WITH WATER TO FORM AN AQUEOUS EXTRACTION, CONCENTRATING THE AQUEOUS EXTRACTION TO REDUCE THE WATER CONTENT THEREOF, DRYING TEH CONCENTRATED AQUEOUS EXTRACTION AND THEN MIXING THE SOLVENT EXTRACTION WITH THE DRY AQUEOUS EXTRACTION, AND THEN REMOVING THE SOLVENT FROM THE MIXTURE.

References Cited (Backward Citations)

US439318A Cited
GB191302013A Cited
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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) 1961-09-22 1962-03-24 1962-09-23 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1965-09-22 1966-03-24 1966-09-23 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1969-09-22 1970-03-24 1970-09-23 $7700.00 Window Closed / Lapsed

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