US3959245A
Expired / Lapsed
US
⏱️ 0.0 years remaining
L-Aspartyl-aminomalonic acid methyl 2-methylcyclohexyl diester
Assignee: Takeda Pharmaceutical Co Ltd
•
Filing: 1973-03-27
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Granted: 1976-05-25
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Expires: 1993-03-27
Abstract
Abstract A novel dipeptide, L-aspartyl-aminomalonic acid methyl 2-methylcyclohexyl diester and its physiologically acceptable salts which are useful as a sweetener, and production thereof and sweetening compositions containing the dipeptide or its salt.
Inventors
- 👤 Nobuo Nakajima
- 👤 Hisashi Aoki
- 👤 Masahiko Fujino
- 👤 Osamu Nishimura
- 👤 Mitsuhiro Wakimasu
- 👤 Mitsuhiko Mano
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 00:39
CPC Classifications
C; C07; C07K; C07K5/00; C07K5/04; C07K5/06; C07K5/06104; C07K5/06113; A; A23; A23L; A23L27/00; A23L27/30; A23L27/31; A23L27/32; Y; Y10; Y10S; Y10S530/00; Y10S530/801
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
10 words
L-aspartyl-aminomalonic acid methyl 2-methylcyclohexyl diester and its physiologically acceptable salts.
Claim 2
Dependent Claim
10 words
L-aspartyl-aminomalonic acid methyl 2-methylcyclohexyl diester and its physiologically acceptable salts.
References Cited (Backward Citations)
US3492131A
Cited
US3798206A
Cited
US3833553A
Cited
US3808190A
Cited
US3801563A
Cited
US3799918A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1979-05-25 | 1979-11-24 | 1980-05-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1983-05-25 | 1983-11-24 | 1984-05-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1987-05-25 | 1987-11-24 | 1988-05-25 | $7700.00 | Window Closed / Lapsed |