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US4439460A Expired / Lapsed US ⏱️ 0.0 years remaining

Dipeptide sweetener sulfate and sulfonate salts

Assignee: Nutrasweet Co
•
Filing: 1982-06-01
•
Granted: 1984-03-27
•
Expires: 2002-06-01
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Abstract

Abstract Aspartyl dipeptide sweetener sulfate and alkyl sulfonate salts are described which have high thermal stability and a fast rate of dissolution in aqueous media. These salts can be almost universally substituted in place of sugar and are effective in baking and cold drink applications.

Inventors

  • 👤 Josef H. Tsau
  • 👤 James G. Young

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-02 20:10
CPC Classifications
C; C07; C07K; C07K5/00; C07K5/04; C07K5/06; C07K5/06104; C07K5/06113; C07K5/06121; C07K5/0613; A; A23; A23L; A23L27/00; A23L27/30; A23L27/31; A23L27/32; Y; Y10; Y10S; Y10S530/00; Y10S530/801

Claims Analysis

Total Claims: 10
Claim 1
Independent Claim 29 words
A dipeptide sweetener salt of the formula [APM.H].sub.2 SO.sub.4 or [APM.H]SO.sub.3 R wherein APM represents aspartyl-phenylalanine methyl ester and R is lower alkyl containing 1 to 3 carbon atoms.
Claim 2
Dependent Claim 29 words
A dipeptide sweetener salt of the formula [APM.H].sub.2 SO.sub.4 or [APM.H]SO.sub.3 R wherein APM represents aspartyl-phenylalanine methyl ester and R is lower alkyl containing 1 to 3 carbon atoms.
Claim 3
Dependent Claim 15 words
A sweetener solution comprising a sweetener salt according to claim 1 in an aqueous solution.
Claim 4
Dependent Claim 19 words
A solution according to claim 2 wherein the concentration of the salt is at least 8 percent by weight.
Claim 5
Dependent Claim 22 words
A sweetened food comprising a mixture of dry, fatty or oily foodstuff ingredients in combination with a sweetener salt of claim 1.
Claim 6
Dependent Claim 14 words
A food according to claim 4 wherein the salt is [aspartyl-phenylalanine methyl ester.H].sub.2 SO.sub.4.
Claim 7
Dependent Claim 31 words
A food according to claim 4 wherein the foodstuff comprises wheat, rice or oat flour based ingredients useful for preparation of leavened or unleavened baked goods which are processed by heating.
Claim 8
Dependent Claim 23 words
A food according to claim 4 wherein the foodstuff comprises animal or vegetable oil based ingredients useful for preparation of dressings or sauces.
Claim 9
Dependent Claim 19 words
A food according to claim 4 wherein the foodstuff comprises modified, starch based ingredients useful for preparation of candies.
Claim 10
Dependent Claim 15 words
A food according to claim 4 wherein the foodstuff comprises a dry soft drink mixture.

References Cited (Backward Citations)

US3959245A Cited
US4029701A Cited
US4031258A Cited
US3907766A Cited
US4153737A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1987-03-27 1987-09-26 1988-03-27 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1991-03-27 1991-09-26 1992-03-27 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1995-03-27 1995-09-26 1996-03-27 $7700.00 Window Closed / Lapsed

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