Patent US4615350A successfully refreshed from Google Patents.
Patent US3074927A successfully refreshed from Google Patents.
US3074927A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Metallic complexes of reducing sugars
Assignee: Individual
•
Filing: 1960-04-12
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Granted: 1963-01-22
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Expires: 1980-04-12
Abstract
No abstract record available.
Inventors
- 👤 Paul D Saltman
- 👤 Philip J Charley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 22:21
CPC Classifications
C; C22; C22B; C22B3/00; C22B3/20; C22B3/26; C22B3/41; Y; Y02; Y02P; Y02P10/00; Y02P10/20; Y10; Y10S; Y10S71/00; Y10S71/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
75 words
A COMPLEX CONSISTING ESSENTIALLY OF A REDUCING SUGAR AND A METAL SELECTED FROM THE GROUP CONSISTING OF CALCIUM, MAGNESIUM, STRONTIUM, BARIUM, TITANIUM, VANADIUM, CHROMIUM, MANGANESE, IRON, COBALT, NICKEL, COPPER AND ZINC, SAID COMPLEX BEING PREPARED BY REACTING IN AQUEOUS SOLUTION SAID SUGAR AND METAL IONS SELECTED FROM SAID GROUP, THE MOLAR RATIO OF SAID SUGAR TO SAID METAL IONS IN THE SOLUTION BEING AT LEAST 2:1, SAID COMPLEX BEING SOLUBLE AND STABLE IN AQUEOUS MEDIA.
Claim 2
Dependent Claim
75 words
A COMPLEX CONSISTING ESSENTIALLY OF A REDUCING SUGAR AND A METAL SELECTED FROM THE GROUP CONSISTING OF CALCIUM, MAGNESIUM, STRONTIUM, BARIUM, TITANIUM, VANADIUM, CHROMIUM, MANGANESE, IRON, COBALT, NICKEL, COPPER AND ZINC, SAID COMPLEX BEING PREPARED BY REACTING IN AQUEOUS SOLUTION SAID SUGAR AND METAL IONS SELECTED FROM SAID GROUP, THE MOLAR RATIO OF SAID SUGAR TO SAID METAL IONS IN THE SOLUTION BEING AT LEAST 2:1, SAID COMPLEX BEING SOLUBLE AND STABLE IN AQUEOUS MEDIA.
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) | 1966-01-21 | 1966-07-23 | 1967-01-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-01-21 | 1970-07-23 | 1971-01-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-01-21 | 1974-07-23 | 1975-01-22 | $7700.00 | Window Closed / Lapsed |