US4148994A
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Crystalline metal salts of β-nicotinamide-adenine-dinucleotide
Assignee: Roche Diagnostics GmbH
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Filing: 1976-12-27
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Granted: 1979-04-10
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Expires: 1996-12-27
Abstract
Abstract Crystalline salts of β-nicotinamide-adenine-dinucleotide (β-NAD), particularly alkali metal salts thereof are prepared in good yield and high quality to provide an analytically useful β-NAD form.
Inventors
- 👤 Klaus Muhlegger
- 👤 Gunter Weimann
- 👤 Michael Nelboeck-Hochstetter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 11:41
CPC Classifications
C; C07; C07H; C07H19/00; C07H19/02; C07H19/04; C07H19/16; C07H19/20; C07H19/207
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
33 words
Orhtorhombic monolithium salt of beta-nicotinamide-adenine-dinucleotide hydrate with the following characteristics: the space group P2 1 2 1 2 1 , the cell dimensions a=10.073±0.003 A, b=15.839±0.004 A, c=17.821±0.004 A, and the angles alpha=beta=gamma=90°.
Claim 2
Dependent Claim
33 words
Orhtorhombic monolithium salt of beta-nicotinamide-adenine-dinucleotide hydrate with the following characteristics: the space group P2 1 2 1 2 1 , the cell dimensions a=10.073±0.003 A, b=15.839±0.004 A, c=17.821±0.004 A, and the angles alpha=beta=gamma=90°.
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) | 1982-04-09 | 1982-10-09 | 1983-04-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1986-04-09 | 1986-10-09 | 1987-04-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1990-04-09 | 1990-10-09 | 1991-04-10 | $7700.00 | Window Closed / Lapsed |