US4055678A
Expired / Lapsed
US
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Sweetener derivatives
Assignee: Dynapol Shareholders Liquidating Trust
•
Filing: 1976-01-12
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Granted: 1977-10-25
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Expires: 1996-01-12
Abstract
Abstract Dihydrochalcones of the formula ##STR1## derivatizing group, Y is a polar group, X is hydrogen or hydroxyl and R is a lower alkyl, their preparation and their use as non-sugar sweeteners are disclosed.
Inventors
- 👤 Guy A. Crosby
- 👤 Grant E. Dubois
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 02:51
CPC Classifications
C; C07; C07C; C07C59/00; C07C59/235; C07C59/305; C07C59/315; A; A23; A23L; A23L27/00; A23L27/30; C07C43/00; C07C43/02; C07C43/03; C07C43/04; C07C43/12; C07C43/126; C07C59/125; C07C59/135; C07D; C07D311/00; C07D311/02; C07D311/04; C07D311/22; C07D311/26; C07D311/28; C07D311/32; C08; C08G; C08G65/00; C08G65/02; C08G65/26
Claims Analysis
Total Claims: 11
Claim 1
Independent Claim
59 words
A compound of the formula ##STR14##wherein Y is a sulfonic acid or a pharmacologically acceptable salt thereof, D is a linear polyether of the formula CH 3 --(O--CH 2 --CH 2 ) n -- wherein n has a value of from 1 to 30 inclusive, and R is a lower alkyl of from 1 to 4 carbon atoms inclusive.
Claim 2
Dependent Claim
59 words
A compound of the formula ##STR14##wherein Y is a sulfonic acid or a pharmacologically acceptable salt thereof, D is a linear polyether of the formula CH 3 --(O--CH 2 --CH 2 ) n -- wherein n has a value of from 1 to 30 inclusive, and R is a lower alkyl of from 1 to 4 carbon atoms inclusive.
Claim 3
Dependent Claim
9 words
The compound of claim 1 wherein R is methyl.
Claim 4
Dependent Claim
16 words
The compound of claim 2 wherein n has a value of from 1 to about 7.
Claim 5
Dependent Claim
17 words
The compound of claim 3 wherein Y is sulfonic acid or a sodium or potassium salt thereof.
Claim 6
Dependent Claim
9 words
The compound of claim 4 wherein n is 1.
Claim 7
Dependent Claim
44 words
A compound of the formula ##STR15##wherein Y is a sulfonic acid or a pharmacologically acceptable salt thereof, D is a polyglycidol ether of the formula ##STR16##wherein n equals about 5, and R is a lower alkyl of from 1 to 4 carbon atoms inclusive.
Claim 8
Dependent Claim
44 words
A compound of the formula ##STR15##wherein Y is a sulfonic acid or a pharmacologically acceptable salt thereof, D is a polyglycidol ether of the formula ##STR16##wherein n equals about 5, and R is a lower alkyl of from 1 to 4 carbon atoms inclusive.
Claim 9
Dependent Claim
22 words
The compound of claim 6 wherein R is methyl and Y is a sulfonic acid or a sodium or potassium salt thereof.
Claim 10
Dependent Claim
26 words
A sweetened edible composition comprising an edible composition having in intimate admixture therewith from 0.0001% to about 0.05% by weight of a compound of claim 1.
Claim 11
Dependent Claim
27 words
The method of sweetening an edible composition comprising admixing with said edible composition from about 0.0001% to about 0.05% by weight of a 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) | 1980-10-24 | 1981-04-25 | 1981-10-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1984-10-24 | 1985-04-25 | 1985-10-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1988-10-24 | 1989-04-25 | 1989-10-25 | $7700.00 | Window Closed / Lapsed |