US2917406A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of increasing the dispersibility of slurry particles
Assignee: Individual
•
Filing: 1958-03-10
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Granted: 1959-12-15
•
Expires: 1978-03-10
Abstract
No abstract record available.
Inventors
- 👤 John P Mcbride
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 18:58
CPC Classifications
C; C09; C09C; C09C3/00; C09C3/12; B; B01; B01J; B01J13/00; B01J13/0004; B01J13/0034; B01J13/0047; C01; C01B; C01B13/00; C01B13/14; C01B13/145; C01F; C01F15/00; C09K; C09K23/00; C09K23/54; G; G21; G21C; G21C3/00; G21C3/42; G21C3/44; G21C3/46; G21C3/50; C01P; C01P2002/00; C01P2002/60; C01P2004/00; C01P2004/60; C01P2004/61; C01P2004/62; C01P2004/80; C01P2004/82; C01P2004/84; C01P2006/00; C01P2006/12; C01P2006/20; C01P2006/22; Y; Y02; Y02E; Y02E30/00; Y02E30/30
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
46 words
A METHOD OF TREATING METALLIC OXIDE PARTICLES TO REDUCE THE SETTLING RATE THEREOF IN AQUEOUS SLURRIES, WHICH COMPRISES DEPOSITING AT LEAST ONE ORGANO-SILICON COMPOUND ON THE SURFACE OF SAID PARTICLES AND FIRING THE RESULTING COATED PARTICLE AT TEMPERATURES BETWEEN APPROXIMATELY 600* C. AND APPROXIMATELY 1200* C.
Claim 2
Independent Claim
46 words
A METHOD OF TREATING METALLIC OXIDE PARTICLES TO REDUCE THE SETTLING RATE THEREOF IN AQUEOUS SLURRIES, WHICH COMPRISES DEPOSITING AT LEAST ONE ORGANO-SILICON COMPOUND ON THE SURFACE OF SAID PARTICLES AND FIRING THE RESULTING COATED PARTICLE AT TEMPERATURES BETWEEN APPROXIMATELY 600* C. AND APPROXIMATELY 1200* C.
References Cited (Backward Citations)
US2424853A
Cited
US2563555A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-12-14 | 1963-06-15 | 1963-12-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-12-14 | 1967-06-15 | 1967-12-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-12-14 | 1971-06-15 | 1971-12-15 | $7700.00 | Window Closed / Lapsed |