US4060645A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dehydrated food product
Assignee: Nestec SA
•
Filing: 1975-11-24
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Granted: 1977-11-29
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Expires: 1995-11-24
Abstract
Abstract A dehydrated food product in the form of grains which dissolve instantly in water and which have a porous, continuous structure, a smooth surface and an apparent density of from 30 to 600 g/l the product is prepared by which comprises extruding a thermoplastic starting material in powder or paste form into a chamber where a sub-atmospheric pressure prevails, and cutting the extruded product into fragments.
Inventors
- 👤 Pierre Risler
- 👤 Jean Gireau
- 👤 Pierre Rose
- 👤 Jean-Pierre Bisson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 11:51
CPC Classifications
A; A23; A23L; A23L23/00; A23L23/10; A23P; A23P10/00; A23P10/20; A23P10/25
Claims Analysis
Total Claims: 13
Claim 1
Independent Claim
100 words
A process for the production of a dehydrated food product selected from the group consisting of stocks, soups, consummes, soup bases, seasonings, condiments, sauces, extracts of meat, vegatable, fruit and spice supports based on dextrin which comprises extruding at a temperature in the range from 60° to 125° C. and under a pressure of from 1 to 15 bars a thermoplastic starting material selected from the group consisting essentially of edible powder and paste and containing up to 20% water into a chamber where a sub-atmospheric pressure from 0.01 to 0.3 bar prevails, and cutting the extruded product into fragments.
Claim 2
Dependent Claim
100 words
A process for the production of a dehydrated food product selected from the group consisting of stocks, soups, consummes, soup bases, seasonings, condiments, sauces, extracts of meat, vegatable, fruit and spice supports based on dextrin which comprises extruding at a temperature in the range from 60° to 125° C. and under a pressure of from 1 to 15 bars a thermoplastic starting material selected from the group consisting essentially of edible powder and paste and containing up to 20% water into a chamber where a sub-atmospheric pressure from 0.01 to 0.3 bar prevails, and cutting the extruded product into fragments.
Claim 3
Dependent Claim
53 words
A process as claimed in claim 1, wherein the starting material is a food-grade material and comprises one or more of extracts of fruits, vegetables and seeds, starches, especially modified starches and dextrins, gums, alginates, meat and fish extracts, proteins of microbiological origin, especially extracts and autolysates of yeast, protein hydrolysates and gelatins.
Claim 4
Dependent Claim
23 words
A process as claimed in claim 1, wherein the starting material is a thermoplastic material containing spices, aromas, colorants, fats, sugars or salts.
Claim 5
Dependent Claim
24 words
A process as claimed in claim 1, wherein the thermoplastic starting material in powder or paste form contains from 1.5 to 10% of water.
Claim 6
Dependent Claim
26 words
A process as claimed in claim 1, wherein the starting material is extruded through at least one nozzle with a diameter of at least 25/100 mm.
Claim 7
Dependent Claim
27 words
A process as claimed in claim 1, wherein the starting material is extruded into a chamber where a sub-atmospheric pressure of from 0.05 to 0.15 bar prevails.
Claim 8
Dependent Claim
16 words
A process as claimed in claim 1, wherein the extruded product is cut before its expansion.
Claim 9
Dependent Claim
16 words
A process as claimed in claim 1, wherein the extruded product is cut after its expansion.
Claim 10
Dependent Claim
21 words
A process as claim in claim 7, wherein the extruded product cut into fragments is impregnated or coated with a fat.
Claim 11
Dependent Claim
21 words
A process as claimed in claim 8, wherein the extruded product cut into fragments is impregnated or coated with a fat.
Claim 12
Dependent Claim
16 words
A process as claimed in claim 7, wherein the extruded product cut into fragments is aromatised.
Claim 13
Dependent Claim
16 words
A process as claimed in claim 8, wherein the extruded product cut into fragments is aromatised.
References Cited (Backward Citations)
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Cited
US2858226A
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US2954296A
Cited
US3057739A
Cited
US3325295A
Cited
US3650769A
Cited
US3637397A
Cited
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Cited
US3779772A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1980-11-28 | 1981-05-30 | 1981-11-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1984-11-28 | 1985-05-30 | 1985-11-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1988-11-28 | 1989-05-30 | 1989-11-29 | $7700.00 | Window Closed / Lapsed |