Patent US2647875A successfully refreshed from Google Patents.
← Back to Patent Explorer
US2647875A Expired / Lapsed US ⏱️ 0.0 years remaining

Process of preparing an inorganic oxide gel

Assignee: ExxonMobil Oil Corp
•
Filing: 1947-03-29
•
Granted: 1953-08-04
•
Expires: 1967-03-29
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 Milton M Marisic

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-25 21:35
CPC Classifications
B; B01; B01J; B01J21/00; B01J21/12; C; C01; C01B; C01B33/00; C01B33/113; C01B33/12; C01B33/16

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 58 words
A PROCESS FOR PREPARING SPHEROIDS OF INORGANIC OXIDE HYDROGEL WHICH COMPRISES FORMING AN INORGANIC OXIDE HYDROSOL CAPABLE OF SETTING TO A FIRM HYDROGEL, PROJECTING SAID HYDROSOL HORIZONTALLY BY CENTRIFUGAL FORCE INTO THE UPPER PORTION OF A BODY OF LIQUID IMMISCIBLE WITH SAID HYDROSOL TO THEREBY DISPERSE SAID HYDROSOL AS A PLURALITY OF GLOBULES IN SAID LIQUID, WHICH GLOBULES
Claim 2
Dependent Claim 58 words
A PROCESS FOR PREPARING SPHEROIDS OF INORGANIC OXIDE HYDROGEL WHICH COMPRISES FORMING AN INORGANIC OXIDE HYDROSOL CAPABLE OF SETTING TO A FIRM HYDROGEL, PROJECTING SAID HYDROSOL HORIZONTALLY BY CENTRIFUGAL FORCE INTO THE UPPER PORTION OF A BODY OF LIQUID IMMISCIBLE WITH SAID HYDROSOL TO THEREBY DISPERSE SAID HYDROSOL AS A PLURALITY OF GLOBULES IN SAID LIQUID, WHICH GLOBULES

References Cited (Backward Citations)

US2299929A Cited
US2385217A Cited
US2418232A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1956-08-03 1957-02-02 1957-08-04 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1960-08-03 1961-02-02 1961-08-04 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1964-08-03 1965-02-02 1965-08-04 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag