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US3997685A Expired / Lapsed US ⏱️ 0.0 years remaining

Stable aroma, flavor and aroma and flavor products from aroma- and flavor-bearing substrates

Assignee: Procter and Gamble Co
•
Filing: 1973-02-06
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Granted: 1976-12-14
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Expires: 1993-02-06
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Abstract

Abstract Aroma- and flavor-bearing substrates are separated into an aroma concentrate and a flavor concentrate by pulsing or applying in a continuous fashion wet steam to a zone containing the substrate. The substrate-containing zone is held under vacuum pressure and the flavor concentrate is collected in a first trap, while an aroma concentrate is collected in a second trap. In one preferred embodiment, the most volatile flavor and aroma bodies are collected and subsequently dissolved in a solution of solids (e.g., those obtained from further extraction of the substrate) and the solution is then frozen and freeze-dried to yield a highly stable dry aroma and flavor bearing product. In a preferred embodiment, the substrate comprises either coffee or tea.

Inventors

  • 👤 Rudolf Gottfried Karl Strobel

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-09 23:07
CPC Classifications
A; A23; A23F; A23F5/00; A23F5/46; A23F5/48; A23F5/486; A23F3/00; A23F3/40; A23F3/42; A23F3/426; A23L; A23L27/00; A23L27/10; A23L27/115

Claims Analysis

Total Claims: 28
Claim 1
Independent Claim 129 words
A process for separating an aroma- and flavor-containing frost fraction from an aroma- and flavor-bearing substrate, said process comprising: pulsing wet steam into a zone containing an aroma- and flavor-bearing substrate in a manner which avoids flooding of said zone and while said zone is held at an absolute pressure of from about 0.1 mm to 200 mm of mercury, thereby to provide a continually moving interface between dry and wetted particles of said substrate; and prior to the reaching of said moving interface to the end of said zone and the emergence of a liquid flavor concentrate fraction from said zone, collecting an aroma- and flavor-containing frost fraction by condensing aroma and flavor bodies removed from said substrate at a temperature of from about -20° to -200° C.
Claim 2
Dependent Claim 129 words
A process for separating an aroma- and flavor-containing frost fraction from an aroma- and flavor-bearing substrate, said process comprising: pulsing wet steam into a zone containing an aroma- and flavor-bearing substrate in a manner which avoids flooding of said zone and while said zone is held at an absolute pressure of from about 0.1 mm to 200 mm of mercury, thereby to provide a continually moving interface between dry and wetted particles of said substrate; and prior to the reaching of said moving interface to the end of said zone and the emergence of a liquid flavor concentrate fraction from said zone, collecting an aroma- and flavor-containing frost fraction by condensing aroma and flavor bodies removed from said substrate at a temperature of from about -20° to -200° C.
Claim 3
Dependent Claim 37 words
The process of claim 1 wherein subsequent to the emergence of said liquid flavor concentrate from said zone, said liquid flavor concentrate is collected by condensing at a temperature of from about -20° C to -80° C.
Claim 4
Dependent Claim 16 words
The process of claim 2 wherein the substrate-containing zone is subjected to an inert gas sparge.
Claim 5
Dependent Claim 27 words
The process of claim 2 wherein pulsing of said wet stream continues until the flavor concentrate coming from said substrate-containing zone is substantially free of color-bearing bodies.
Claim 6
Dependent Claim 17 words
The process of claim 1 wherein said steam is pulsed in downward fashion through the substrate-containing zone.
Claim 7
Dependent Claim 19 words
The process of claim 5 wherein said substrate-containing zone is held at temperatures of from 0° to 60° C.
Claim 8
Dependent Claim 18 words
The process of claim 5 wherein the absolute pressure is from 0.1 mm to 30 mm of mercury.
Claim 9
Dependent Claim 13 words
The process of claim 5 wherein the substrate is roast and ground coffee.
Claim 10
Dependent Claim 10 words
The process of claim 5 wherein the substrate is tea.
Claim 11
Dependent Claim 11 words
The process of claim 5 wherein the substrate is a fruit.
Claim 12
Dependent Claim 11 words
The process of claim 2 wherein the substrate is a vegetable.
Claim 13
Dependent Claim 155 words
A process for producing a stable concentrated flavorful aromatic dry product from a flavor- and aroma-bearing substrate comprising: pulsing wet steam into a zone containing an aroma- and flavor-bearing substrate in a manner which avoids flooding said zone and while said zone is held at an absolute pressure of from about 0.1 mm to 200 mm of mercury, thereby to provide a continually moving interface between dry and wetted particles of said substrate; prior to the reaching of said moving interface to the end of said zone and the emergence of a liquid flavor concentrate fraction from said zone, collecting an aroma- and flavor-containing frost fraction by condensing aroma and flavor bodies removed from said substrate at a temperature of from about -20° C to -200° C; combining said aroma- and flavor-containing frost fraction with a solution of solids selected from the group consisting of proteins and carbohydrates; freezing the resulting mixture; and freeze drying.
Claim 14
Dependent Claim 155 words
A process for producing a stable concentrated flavorful aromatic dry product from a flavor- and aroma-bearing substrate comprising: pulsing wet steam into a zone containing an aroma- and flavor-bearing substrate in a manner which avoids flooding said zone and while said zone is held at an absolute pressure of from about 0.1 mm to 200 mm of mercury, thereby to provide a continually moving interface between dry and wetted particles of said substrate; prior to the reaching of said moving interface to the end of said zone and the emergence of a liquid flavor concentrate fraction from said zone, collecting an aroma- and flavor-containing frost fraction by condensing aroma and flavor bodies removed from said substrate at a temperature of from about -20° C to -200° C; combining said aroma- and flavor-containing frost fraction with a solution of solids selected from the group consisting of proteins and carbohydrates; freezing the resulting mixture; and freeze drying.
Claim 15
Dependent Claim 24 words
The process of claim 12 wherein the weight of solids added is about equal to the weight of the aromatic and flavorful frost fraction.
Claim 16
Dependent Claim 8 words
The product of the process of claim 12.
Claim 17
Dependent Claim 29 words
The process of claim 12 wherein the solids added to the aromatic and flavorful portion of the extract are from a substrate of the same type as the substrate.
Claim 18
Dependent Claim 10 words
The process of claim 15 wherein the substrate is coffee.
Claim 19
Dependent Claim 8 words
The product of the process of claim 16.
Claim 20
Dependent Claim 11 words
The process of claim 16 wherein the solids are decaffeinated coffee.
Claim 21
Dependent Claim 22 words
The process of claim 16 wherein said solids are extracted from the same substrate which yielded the aromatic and flavorful frost fraction
Claim 22
Dependent Claim 11 words
The process of claim 19 wherein the substrate comprises Robusta coffee.
Claim 23
Dependent Claim 11 words
The process of claim 19 wherein said substrate is decaffeinated coffee.
Claim 24
Dependent Claim 132 words
A process for separating an aroma- and flavor-containing frost fraction from an aroma- and flavor-bearing substrate, said process comprising: slowly and continuously passing wet steam into a zone containing an aroma- and flavor-bearing substrate in a manner which avoids flooding of said zone and while said zone is held at an absolute pressure of from about 0.1 mm to 200 mm of mercury, thereby to provide a continually moving interface between dry and wetted particles of said substrate; and prior to the reaching of said moving interface to the end of said zone and the emergence of a liquid flavor concentrate fraction from said zone, collecting an aroma- and flavor-containing frost fraction by condensing aroma and flavor bodies removed from said substrate at a temperature of from about -20° to -200° C.
Claim 25
Dependent Claim 132 words
A process for separating an aroma- and flavor-containing frost fraction from an aroma- and flavor-bearing substrate, said process comprising: slowly and continuously passing wet steam into a zone containing an aroma- and flavor-bearing substrate in a manner which avoids flooding of said zone and while said zone is held at an absolute pressure of from about 0.1 mm to 200 mm of mercury, thereby to provide a continually moving interface between dry and wetted particles of said substrate; and prior to the reaching of said moving interface to the end of said zone and the emergence of a liquid flavor concentrate fraction from said zone, collecting an aroma- and flavor-containing frost fraction by condensing aroma and flavor bodies removed from said substrate at a temperature of from about -20° to -200° C.
Claim 26
Dependent Claim 16 words
The process of claim 22 wherein said slow continuous steam introduction occurs in a downward manner.
Claim 27
Dependent Claim 157 words
A process for producing a stable concentrated flavorful aromatic dry product from a flavor- and aroma-bearing substrate comprising: slowly and continuously passing wet steam into a zone containing an aroma- and flavor-bearing substrate in a manner which avoids flooding said zone and while said zone is held at an absolute pressure of from about 0.1 mm to 200 mm of mercury, thereby to provide a continually moving interface between dry and wetted particles of said substrate; prior to the reaching of said moving interface to the end of said zone and the emergence of a liquid flavor concentrate fraction from said zone, collecting an aroma- and flavor-containing frost fraction by condensing aroma and flavor bodies removed from said substrate at a temperature of from about -20° to -200° C; combining said aroma- and flavor-containing frost fraction with a solution of solids selected from the group consisting of proteins and carbohydrates; freezing the resulting mixture; and freeze drying.
Claim 28
Dependent Claim 157 words
A process for producing a stable concentrated flavorful aromatic dry product from a flavor- and aroma-bearing substrate comprising: slowly and continuously passing wet steam into a zone containing an aroma- and flavor-bearing substrate in a manner which avoids flooding said zone and while said zone is held at an absolute pressure of from about 0.1 mm to 200 mm of mercury, thereby to provide a continually moving interface between dry and wetted particles of said substrate; prior to the reaching of said moving interface to the end of said zone and the emergence of a liquid flavor concentrate fraction from said zone, collecting an aroma- and flavor-containing frost fraction by condensing aroma and flavor bodies removed from said substrate at a temperature of from about -20° to -200° C; combining said aroma- and flavor-containing frost fraction with a solution of solids selected from the group consisting of proteins and carbohydrates; freezing the resulting mixture; and freeze drying.

References Cited (Backward Citations)

US2155971A Cited
US2601635A Cited
US2680687A Cited
US3021218A Cited
US3243264A Cited
FR79292E Cited
US3132947A Cited
US3554761A 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) 1979-12-14 1980-06-14 1980-12-14 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1983-12-14 1984-06-14 1984-12-14 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1987-12-14 1988-06-14 1988-12-14 $7700.00 Window Closed / Lapsed

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