US2900235A
Expired / Lapsed
US
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Reduced phosphomolybdic acids wherein the average valence of the molybdenum is not more than 4
Assignee: EIDP Inc
•
Filing: 1955-08-19
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Granted: 1959-08-18
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Expires: 1975-08-19
Abstract
No abstract record available.
Inventors
- 👤 Herrick R Arnold
- 👤 Frank S Fawcett
- 👤 Walter W Gilbert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 15:15
CPC Classifications
C; C08; C08G; C08G61/00; C08G61/02; C08G61/04; B; B01; B01J; B01J27/00; B01J27/14; B01J27/186; B01J27/188; B01J27/19
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
23 words
PHOSPHOMOLYBDIC ACID FROM THE CALSS REPRESENTED BY THE FORMULA P2MO20-2402-60 AND WHEREIN THE AVERAGE VALENCE OF THE MOLYBDENUM IS NOT MORE THAN 4.
Claim 2
Dependent Claim
23 words
PHOSPHOMOLYBDIC ACID FROM THE CALSS REPRESENTED BY THE FORMULA P2MO20-2402-60 AND WHEREIN THE AVERAGE VALENCE OF THE MOLYBDENUM IS NOT MORE THAN 4.
References Cited (Backward Citations)
US2503991A
Cited
US2599326A
Cited
US2652372A
Cited
US2714583A
Cited
US2749318A
Cited
US2726218A
Cited
US2788258A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-08-17 | 1963-02-16 | 1963-08-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-08-17 | 1967-02-16 | 1967-08-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-08-17 | 1971-02-16 | 1971-08-18 | $7700.00 | Window Closed / Lapsed |