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Patent US4402990A successfully refreshed from Google Patents.
US4402990A
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Steviolmonoside analogs
Assignee: Dynapol Shareholders Liquidating Trust
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Filing: 1981-08-26
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Granted: 1983-09-06
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Expires: 2001-08-26
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 07:06
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)
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 |