Patent US3192945A successfully refreshed from Google Patents.
Patent US2866760A successfully refreshed from Google Patents.
← Back to Patent Explorer
US2866760A Expired / Lapsed US ⏱️ 0.0 years remaining

Compositions and methods for treating particulate solids

Assignee: Baker Industries Inc
•
Filing: 1955-07-08
•
Granted: 1958-12-30
•
Expires: 1975-07-08
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

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 12:25
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

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag