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US4402990A Expired / Lapsed US ⏱️ 0.0 years remaining

Steviolmonoside analogs

Assignee: Dynapol Shareholders Liquidating Trust
•
Filing: 1981-08-26
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Granted: 1983-09-06
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Expires: 2001-08-26
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Abstract

Abstract Analogs of the glycoside stevioside are disclosed. These materials have the formula ##STR1## wherein R is a simple physiologically acceptable noncarbohydrate polar organic group. The analogs are sweet and find use as sweeteners.

Inventors

  • 👤 Grant E. Dubois

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-09 06:42
CPC Classifications
C; C07; C07H; C07H15/00; C07H15/20; C07H15/24; C07H15/256

Claims Analysis

Total Claims: 18
Claim 1
Independent Claim 18 words
A stevioside analog compound having the structure ##STR21## wherein R is a physiologically acceptable noncarbohydrate polar organic group.
Claim 2
Dependent Claim 18 words
A stevioside analog compound having the structure ##STR21## wherein R is a physiologically acceptable noncarbohydrate polar organic group.
Claim 3
Dependent Claim 20 words
The compound of claim 1 where R is α-carbon oxygen free and contains from 1 to 10 carbon atoms inclusive.
Claim 4
Dependent Claim 26 words
The compound of claim 2 wherein R's contains one or more polar moiety selected from sulfonate, sulfamate, carboxylate, and phosphonate anions, ammonium cations and hydroxyl groups.
Claim 5
Dependent Claim 18 words
The compound of claim 3 wherein R is a 1 to 5 carbon inclusive alkyl terminal sulfonate salt.
Claim 6
Dependent Claim 39 words
The compound of claim 4 wherein R is of the formula --(CH.sub.2).sub.n --SO.sub.3.sup.- M.sup.+ wherein n is an integer from 2 to 5 inclusive and M + is a physiologically acceptable alkaline earth metal cation or alkali metal cation.
Claim 7
Dependent Claim 31 words
The compound of claim 5 wherein n is 3 or 4 and M + is selected from Na + , K + , 1/2 Ca ++ and 1/2 Mg ++ .
Claim 8
Dependent Claim 19 words
The compound of claim 6 wherein n is 3 and M + is Na + or K + .
Claim 9
Dependent Claim 16 words
The compound of claim 3 wherein R is a 1 to 5 carbon inclusive alkyl polysulfonate.
Claim 10
Dependent Claim 37 words
The compound of claim 8 wherein R has the formula --(CH.sub.2)--CH--(SO.sub.3.sup.-).sub.2 M.sup.+.sub.2 M + is a physiologically acceptable alkaline earth metal cation or alkali metal cation, and n is an integer of from 1 to 2 inclusive.
Claim 11
Dependent Claim 53 words
The compound of claim 3 wherein R is a 1 to 5 carbon atom alkyl terminal carboxylate of the formula --(CH 2 ) n --COO - M + and n is an integer from 1 to 5 inclusive and M + is a physiologically acceptable alkaline earth metal cation or alkali metal cation.
Claim 12
Dependent Claim 50 words
The compound of claim 3 wherein R is an alkyl terminal phosphonate of the formula --(CH 2 ) n --PO 3 H - M + and n is an integer from 1 through 5 inclusive and M + is a physiologically acceptable alkaline earth metal cation or alkali metal cation.
Claim 13
Dependent Claim 17 words
The compound of claim 3 wherein R is a 1 through 5 carbon inclusive linear alkyl polycarboxylate.
Claim 14
Dependent Claim 17 words
The compound of claim 3 wherein R is a 1 through 5 carbon inclusive linear polyhydroxyl alkyl.
Claim 15
Dependent Claim 18 words
The compound of claim 3 wherein R is a 1 through 5 carbon inclusive primary alkyl amine salt.
Claim 16
Dependent Claim 16 words
The compound of claim 4 wherein R is a 1 through 5 carbon inclusive alkyl polysulfonate.
Claim 17
Dependent Claim 17 words
The compound of claim 3 wherein R is a 2 through 5 carbon inclusive alkyl amino carboxylate.
Claim 18
Dependent Claim 19 words
A sweet comestible comprising an edible material admixed with an effective sweetening amount of the compound of claim 1.

References Cited (Backward Citations)

US3876816A Cited
US4082858A Cited
US4226804A Cited
US4332830A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1986-09-05 1987-03-07 1987-09-06 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1990-09-05 1991-03-07 1991-09-06 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1994-09-05 1995-03-07 1995-09-06 $7700.00 Window Closed / Lapsed

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