US4338346A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Non-nutritive sweetener
Assignee: Procter and Gamble Co
•
Filing: 1980-08-14
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Granted: 1982-07-06
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Expires: 2000-08-14
Abstract
Abstract L-1-hydroxymethyl alkaneamide derivatives of alpha -L-aspartic acid have been prepared and have been discovered to be non-nutritive sweeteners having favorable chemical and physiological properties for use in compositions ingested orally.
Inventors
- 👤 Larry M. Brand
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 10:56
CPC Classifications
A; A23; A23G; A23G3/00; A23G3/34; A23G3/346; A23G3/343; A23G4/00; A23G4/06; A23G4/10; A23G9/00; A23G9/52; A23L; A23L27/00; A23L27/30; A23L27/31; A61; A61K; A61K8/00; A61K8/18; A61K8/30; A61K8/40; A61K8/44; A61Q; A61Q11/00; A23G2200/00; A23G2200/06
Claims Analysis
Total Claims: 10
Claim 1
Independent Claim
82 words
A compound of the formula: ##STR6## wherein said compound is in the L,L configuration; and wherein R 1 =H, R 2 =H or CH 3 ; R 3 =H or CH 3 ; and R 4 =CH 3 , C 2 H 5 , i--C 3 H 7 or t--C 4 H 9 ; except that where R 4 is i--C 3 H 7 or t--C 4 H 9 , R 2 and R 3 are H; and toxicologically acceptable salts thereof.
Claim 2
Dependent Claim
82 words
A compound of the formula: ##STR6## wherein said compound is in the L,L configuration; and wherein R 1 =H, R 2 =H or CH 3 ; R 3 =H or CH 3 ; and R 4 =CH 3 , C 2 H 5 , i--C 3 H 7 or t--C 4 H 9 ; except that where R 4 is i--C 3 H 7 or t--C 4 H 9 , R 2 and R 3 are H; and toxicologically acceptable salts thereof.
Claim 3
Dependent Claim
15 words
The sodium, potassium, calcium, ammonium or hydrochloride salt of a compound according to claim 1.
Claim 4
Dependent Claim
21 words
A compound according to claim 2 wherein R 2 is H and R 3 and R 4 are --CH 3 .
Claim 5
Dependent Claim
6 words
N-(α-L-aspartyl)-L-1-hydroxymethyl-4-methylpentylamide and toxicologically acceptable salts thereof.
Claim 6
Dependent Claim
6 words
N-(α-L-aspartyl)-L-1-hydroxymethyl-4-methylpentylamide and toxicologically acceptable salts thereof.
Claim 7
Dependent Claim
22 words
A composition of matter for oral ingestion comprising an effective sweetening amount of a compound according to claim 1 and a carrier.
Claim 8
Dependent Claim
11 words
A food, beverage, mouthwash, or dentifrice composition according to claim 5.
Claim 9
Dependent Claim
11 words
A composition according to claim 6 wherein said compound is N-(α-L-aspartyl)-L-1-hydroxymethyl-4-methylpentylamide.
Claim 10
Dependent Claim
29 words
A process for sweetening compositions intended for oral ingestion, comprising adding to said composition to be ingested orally an effective sweetening amount of a compound according to claim 1.
References Cited (Backward Citations)
GB1381826A
Cited
US3971822A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1985-07-05 | 1986-01-04 | 1986-07-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1989-07-05 | 1990-01-04 | 1990-07-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1993-07-05 | 1994-01-04 | 1994-07-06 | $7700.00 | Window Closed / Lapsed |