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US3829588A Expired / Lapsed US ⏱️ 0.0 years remaining

Dipeptide low-grade coffees

Assignee: General Foods Corp
•
Filing: 1972-10-19
•
Granted: 1974-08-13
•
Expires: 1992-10-19
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Abstract

Abstract The bitterness of low-grade coffee products is repressed by the addition of a dipeptide sweetener at the appropriate level.

Inventors

  • 👤 T Finucane
  • 👤 J Halik

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-26 03:40
CPC Classifications
A; A23; A23F; A23F5/00; A23F5/10; A23F5/14; A23F5/24; A23F5/243; A23F5/36; A23F5/40

Claims Analysis

Total Claims: 10
Claim 1
Independent Claim 28 words
The method of claim 1 wherein L-aspartyl-L-phenylalanine methyl ester is added at a concentration of about 0.002 to about 0.016 percent on the basis of the coffee brew.
Claim 2
Dependent Claim 61 words
The method of claim 1 wherein the low-grade coffee is a roast and ground coffee and L-aspartyl-L-phenylalanine methyl ester is added to the roast and ground coffee during the quenching of the roasted beans, said L-aspartyl-L-phenylalanine methyl ester being incorporated in aqueous solution and sprayed onto the roasted beans subsequent to the beans having been cooled to temperatures below 400* F.
Claim 3
Dependent Claim 19 words
The method of claim 1 wherein the L-aspartyl-L-phenylalanine methyl ester is added to the dewaxed extract and co-dried therewith.
Claim 4
Dependent Claim 19 words
The method of claim 1 wherein the L-aspartyl-L-phenylalanine methyl ester is sprayed as a solution onto the coffee grounds.
Claim 5
Dependent Claim 15 words
The method of claim 5 wherein said solution of the L-aspartyl-L-phenylalanine methyl ester is aqueous.
Claim 6
Dependent Claim 20 words
The method of claim 1 wherein the L-aspartyl-L-phenylalanine methyl ester is incorporated in solution and sprayed onto the dried extract.
Claim 7
Dependent Claim 12 words
The method of claim 7 wherein the L-aspartyl-L-phenylalanine methyl ester is aqueous.
Claim 8
Dependent Claim 22 words
The method of claim 7 wherein the L-aspartyl-L-phenylalanine methyl ester is in the form of an emulsion with an aromatic coffee oil.
Claim 9
Independent Claim 38 words
The method of repressing the objectionable flavor characteristics of bitter materials consisting of adding to said bitter materials L-aspartyl-L-phenylalanine methyl ester at a concentration of about 0.0025 to about 0.016 percent on the basis of the bitter material.
Claim 10
Dependent Claim 12 words
The method of claim 10 wherein the bitter material is a foodstuff.

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) 1977-08-12 1978-02-11 1978-08-13 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1981-08-12 1982-02-11 1982-08-13 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1985-08-12 1986-02-11 1986-08-13 $7700.00 Window Closed / Lapsed

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