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US3074927A Expired / Lapsed US ⏱️ 0.0 years remaining

Metallic complexes of reducing sugars

Assignee: Individual
•
Filing: 1960-04-12
•
Granted: 1963-01-22
•
Expires: 1980-04-12
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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 18:09
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)

US2440729A Cited
US2518135A Cited
US2572923A Cited
US2871236A Cited

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

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