US2866760A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Compositions and methods for treating particulate solids
Assignee: Baker Industries Inc
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Filing: 1955-07-08
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Granted: 1958-12-30
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Expires: 1975-07-08
Abstract
No abstract record available.
Inventors
- 👤 Walter M Hacssler
- 👤 John A Bishop
- 👤 Stauffer Edgar Eugene
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 06:53
CPC Classifications
B; B01; B01J; B01J20/00; B01J20/02; B01J20/06; B01J20/08; B01J2/00; B01J2/30; C; C08; C08L; C08L3/00; C08L3/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
80 words
A FREE-FLOWING, FINELY-DIVIDED, SOLID COMPOSITION COMPRISING A FINELY-DIVIDED, SOLID MATERIAL NORMALLY SUSCEPTIBLE TO CAKING, A POROUS MATERIAL HAVING A SURFACE AREA IN EXCESS OF 100 SQUARE METERS PER GRAM, SAID POROUS MATERIAL BEING SELECTED FROM THE GROUP CONSISTING OF ATTAPULGITE, HALLOYSITE, FULLER''S EARTH, BENTONITE, ACTIVATED ALUMINA, ACTIVATED SILICA, ACTIVATED SILICA-ALUMINA MIXTURES, ACTIVATED MAGNESIA, CALCIUM SILICATES, MAGNESIUM SILICATES, AND ACTIVATED CARBON, AND A POLYSILOXANE COATING ON BOTH MATERIALS, THE POLYMERIZATION OF THE POLYSILOXANE COATING HAVING BEEN CATALYZED BY THE POROUS MATERIAL.
Claim 2
Dependent Claim
80 words
A FREE-FLOWING, FINELY-DIVIDED, SOLID COMPOSITION COMPRISING A FINELY-DIVIDED, SOLID MATERIAL NORMALLY SUSCEPTIBLE TO CAKING, A POROUS MATERIAL HAVING A SURFACE AREA IN EXCESS OF 100 SQUARE METERS PER GRAM, SAID POROUS MATERIAL BEING SELECTED FROM THE GROUP CONSISTING OF ATTAPULGITE, HALLOYSITE, FULLER''S EARTH, BENTONITE, ACTIVATED ALUMINA, ACTIVATED SILICA, ACTIVATED SILICA-ALUMINA MIXTURES, ACTIVATED MAGNESIA, CALCIUM SILICATES, MAGNESIUM SILICATES, AND ACTIVATED CARBON, AND A POLYSILOXANE COATING ON BOTH MATERIALS, THE POLYMERIZATION OF THE POLYSILOXANE COATING HAVING BEEN CATALYZED BY THE POROUS MATERIAL.
References Cited (Backward Citations)
US2371068A
Cited
US2689166A
Cited
US2460805A
Cited
US2635084A
Cited
US2618615A
Cited
US2647892A
Cited
US2744923A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-12-29 | 1962-06-30 | 1962-12-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-12-29 | 1966-06-30 | 1966-12-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-12-29 | 1970-06-30 | 1970-12-30 | $7700.00 | Window Closed / Lapsed |