US3227518A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Diniobioheteropoly acids and salts thereof
Assignee: EIDP Inc
•
Filing: 1962-03-05
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Granted: 1966-01-04
•
Expires: 1982-03-05
Abstract
No abstract record available.
Inventors
- 👤 John H Kennedy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 23:47
CPC Classifications
C; C01; C01G; C01G33/00; C01B; C01B25/00; C07; C07C; C07C67/00; C07C67/08; C07D; C07D307/00; C07D307/02; C07D307/04; C07D307/06; C07D307/08; C08; C08G; C08G69/00; C08G69/02; C08G69/08; C08G69/14; C23; C23F; C23F11/00; C23F11/08; C23F11/18; C23F11/185; C01P; C01P2006/00; C01P2006/60; C01P2006/80; C01P2006/82
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
70 words
A COMPOUND HAVING THE FORMULA: (H)Y(M+Z)((5-Y)/Z)P(NB)2(W)X(MO)(10-X)(O)40 . N(H2O) WHEREIN Y IS A CARDINAL NUMBER OF NO GREATER THAN 5, M IS AN INORGANIC CATION SELECTED FROM THE GROUP CONSISTING OF ALKALI METALS, AMMONIUM AND THALLIUM WHOSE VALENCE IS Z, THE SUM OF Y AND (5-Y)/Z BEING 5, X IS A CARDINAL NUMBER OF NO GREATER THAN 10 AND NH2O REPRESENTS WATER OF HYDRATION AND N IS NO GREATER THAN 30.
Claim 2
Dependent Claim
70 words
A COMPOUND HAVING THE FORMULA: (H)Y(M+Z)((5-Y)/Z)P(NB)2(W)X(MO)(10-X)(O)40 . N(H2O) WHEREIN Y IS A CARDINAL NUMBER OF NO GREATER THAN 5, M IS AN INORGANIC CATION SELECTED FROM THE GROUP CONSISTING OF ALKALI METALS, AMMONIUM AND THALLIUM WHOSE VALENCE IS Z, THE SUM OF Y AND (5-Y)/Z BEING 5, X IS A CARDINAL NUMBER OF NO GREATER THAN 10 AND NH2O REPRESENTS WATER OF HYDRATION AND N IS NO GREATER THAN 30.
Claim 3
Dependent Claim
9 words
A HETEROPOLY ACID OF CLAIM 1 HAVING THE FORMULA:
Claim 4
Dependent Claim
22 words
AN INORGANIC SALT SELECTED FROM THE GROUP CONSISTING OF ALKALI METALS, AMMONIUM AND THALIUM SALT OF A HETEROPOLY ACID OF CLAIM 2.
Claim 5
Dependent Claim
52 words
A PROCESS FOR PRODUCING DINIOBIOHETEROPOLY ACIDS AND SALTS THEREOF WHICH COMPRISES BRINGING TOGETHER, IN AN AQUEOUS SOLUTION HAVING A PH OF ABOUT FROM ZERO TO 5, WATER-SOLUBLE PHOSPHATE IONS, NIOBATE IONS AND AT LEAST ONE OF THE GROUP CONSISTING OF PARA-MOLYBDATE AND PARATUNGSTATE IONS AT A TEMPERATURE FROM ABOUT 50*C. TO 150*C.
Claim 6
Dependent Claim
52 words
A PROCESS FOR PRODUCING DINIOBIOHETEROPOLY ACIDS AND SALTS THEREOF WHICH COMPRISES BRINGING TOGETHER, IN AN AQUEOUS SOLUTION HAVING A PH OF ABOUT FROM ZERO TO 5, WATER-SOLUBLE PHOSPHATE IONS, NIOBATE IONS AND AT LEAST ONE OF THE GROUP CONSISTING OF PARA-MOLYBDATE AND PARATUNGSTATE IONS AT A TEMPERATURE FROM ABOUT 50*C. TO 150*C.
References Cited (Backward Citations)
US2608534A
Cited
US2744928A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-01-03 | 1969-07-05 | 1970-01-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-01-03 | 1973-07-05 | 1974-01-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-01-03 | 1977-07-05 | 1978-01-04 | $7700.00 | Window Closed / Lapsed |