US4293581A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Saponification treatment of spent coffee grounds
Assignee: Nestec SA
•
Filing: 1980-12-16
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Granted: 1981-10-06
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Expires: 2000-12-16
Abstract
Abstract An animal feed component is prepared by subjecting spent coffee grounds to a saponification treatment in an aqueous reaction medium, acidifying the medium to a pH below 5 and recovering an animal feed component by drying the acidified medium. The grounds may optionally be subjected to an oxidation treatment after saponification.
Inventors
- 👤 Pierre Hirsbrunner
- 👤 Raymond Bertholet
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 23:38
CPC Classifications
A; A23; A23K; A23K10/00; A23K10/30; A23K10/37; Y; Y02; Y02P; Y02P60/00; Y02P60/80; Y02P60/87; Y10; Y10S; Y10S426/00; Y10S426/807
Claims Analysis
Total Claims: 10
Claim 1
Independent Claim
50 words
Process for producing an animal feed component which comprises subjecting spent coffee grounds to a saponification treatment in an aqueous reaction medium which effectively saponifies cafestol and kahweol esters contained therein, acidifying the medium to a pH below 5 and recovering an animal feed component by drying the acidified medium.
Claim 2
Dependent Claim
50 words
Process for producing an animal feed component which comprises subjecting spent coffee grounds to a saponification treatment in an aqueous reaction medium which effectively saponifies cafestol and kahweol esters contained therein, acidifying the medium to a pH below 5 and recovering an animal feed component by drying the acidified medium.
Claim 3
Dependent Claim
20 words
Process according to claim 1, in which that the saponification is carried out at a pH between 8 and 13.
Claim 4
Dependent Claim
23 words
Process according to claim 1 or claim 2, in which the saponification is carried out at a temperature between 90° and 100° C.
Claim 5
Dependent Claim
21 words
Process according to claim 1 or claim 2, in which that the saponification is carried out during 1/2 to 2 hours.
Claim 6
Dependent Claim
17 words
Process according to claim 1, in which after saponification the grounds are subjected to an oxidation treatment.
Claim 7
Dependent Claim
28 words
Process according to claim 5, in which the oxidation treatment is effected with hydrogen peroxide at a temperature of 90° to 100° C. for 1/2 to 3 hours.
Claim 8
Dependent Claim
22 words
Process according to claim 5, in which the oxidation treatment is effected with air at a temperature between 110° and 160° C.
Claim 9
Dependent Claim
25 words
Process according to claim 1 or claim 2, in which the medium is acidified with an edible acid to a pH of 3 to 5.
Claim 10
Dependent Claim
12 words
An animal feed component prepared by the process according to claim 1.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1984-10-05 | 1985-04-06 | 1985-10-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1988-10-05 | 1989-04-06 | 1989-10-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1992-10-05 | 1993-04-06 | 1993-10-06 | $7700.00 | Window Closed / Lapsed |