Patent US3974299A successfully refreshed from Google Patents.
US3974299A
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US
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Ionic sweetener
Assignee: Dynapol Shareholders Liquidating Trust
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Filing: 1975-03-24
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Granted: 1976-08-10
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Expires: 1995-03-24
Abstract
Abstract A group of novel dihydrochalcone compounds represented by the formula ##SPC1## Wherein R is a lower alkyl or from one to three carbon atoms inclusive, n is an integer of from one to three inclusive and M is a physiologically acceptable metal cation, are disclosed. These materials are useful as dietetic sweeteners.
Inventors
- 👤 Guy A. Crosby
- 👤 Grant E. Dubois
- 👤 Ned M. Weinshenker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 13:24
CPC Classifications
C; C07; C07C; C07C309/00; A; A23; A23L; A23L27/00; A23L27/30; C07C45/00; C07C45/61; C07C45/62; C07C45/67; C07C45/68; C07C45/70; C07C45/71; C07C49/00; C07C49/76; C07C49/84; C07D; C07D311/00; C07D311/02; C07D311/04; C07D311/22; C07D311/26; C07D311/28; C07D311/32; C07F; C07F1/00; C07F1/005; C07F3/00; C07F3/003
Claims Analysis
Total Claims: 18
Claim 1
Independent Claim
41 words
A dihydrochalcone compound represented by the structural formula ##SPC26## wherein R is a lower alkyl of from one to three carbon atoms inclusive, n is an integer of from one to three inclusive and M is a physiologically acceptable metal cation.
Claim 2
Dependent Claim
41 words
A dihydrochalcone compound represented by the structural formula ##SPC26## wherein R is a lower alkyl of from one to three carbon atoms inclusive, n is an integer of from one to three inclusive and M is a physiologically acceptable metal cation.
Claim 3
Dependent Claim
17 words
The dihydrochalcone compound of claim 1, wherein n has a value of 1 and R is methyl.
Claim 4
Dependent Claim
17 words
The dihydrochalcone compound of claim 1, wherein n has a value of 1 and R is ethyl.
Claim 5
Dependent Claim
17 words
The dihydrochalcone compound of claim 1, wherein n has a value of 1 and R is n-propyl.
Claim 6
Dependent Claim
17 words
The dihydrochalcone compound of claim 1, wherein n has a value of 2 and R is methyl.
Claim 7
Dependent Claim
17 words
The dihydrochalcone compound of claim 1, wherein n has a value of 2 and R is ethyl.
Claim 8
Dependent Claim
17 words
The dihydrochalcone compound of claim 1, wherein n has a value of 2 and R is n-propyl.
Claim 9
Dependent Claim
17 words
The dihydrochalcone compound of claim 1, wherein n has a value of 3 and R is methyl.
Claim 10
Dependent Claim
17 words
The dihydrochalcone compound of claim 1, wherein n has a value of 3 and R is ethyl.
Claim 11
Dependent Claim
17 words
The dihydrochalcone compound of claim 1, wherein n has a value of 3 and R is n-propyl.
Claim 12
Dependent Claim
10 words
The compound of claim 2, wherein M is potassium ion.
Claim 13
Dependent Claim
10 words
The compound of claim 2, wherein M is calcium ion.
Claim 14
Dependent Claim
10 words
The compound of claim 5, wherein M is potassium ion.
Claim 15
Dependent Claim
10 words
The compound of claim 5, wherein M is calcium ion.
Claim 16
Dependent Claim
10 words
The compound of claim 8, wherein M is potassium ion.
Claim 17
Dependent Claim
10 words
The compound of claim 8, wherein M is calcium ion.
Claim 18
Dependent Claim
30 words
A sweetened consumable material comprising an edible material and, as a sweetening agent, a dihydrochalcone compound of claim 1 in the amount which will afford the degree of sweetness desired.
References Cited (Backward Citations)
US3739064A
Cited
US3751270A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1979-08-10 | 1980-02-09 | 1980-08-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1983-08-10 | 1984-02-09 | 1984-08-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1987-08-10 | 1988-02-09 | 1988-08-10 | $7700.00 | Window Closed / Lapsed |