← Back to Patent Explorer
US3567656A Expired / Lapsed US ⏱️ 0.0 years remaining

Preparation of a catalytic composite containing a germanium component

Assignee: Universal Oil Products Co
•
Filing: 1969-05-28
•
Granted: 1971-03-02
•
Expires: 1989-05-28
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

Abstract A GERMANIUM COMPONENT IS UNIFORMLY DISPERSED THROUGHOUT A POROUS, HIGH SURFACE AREA CARRIER MATERIAL BY THE STEPS OF: FIRST, REDUCING GERMANIUM DIOXIDE WITH HYDROGEN; SECOND, DISSOLVING THE RESULTING REDUCED MATERIAL IN AN AQUEOUS SOLUTIONOF CHLORINE TO FORM A SOLUTION THEREOF; THIRD, IMPREGNATING A HIGH SURFACE AREA, POROUS CARRIER MATERIAL WITH THE RESULTING SOLTUION; AND, FINALLY DRYING AND CALCINING THE RESULTING IMPREGGNATED CARRIER MATERIAL. KEY FEATURE OF THIS METHOD OF PREPARATION INVOLVES THE USE OF THIS SOLUTION OF THE REDUCED GERMANIUM COMPOUND IN CHLORINE WATER TO IMPREGNATE THE CARRIER MATERIAL, THEREBY ACHIEVING UNIFORM DISPERSION OF THE GERMANIUM COMPONENT IN THE CARRIER MATERIAL.

Inventors

  • 👤 Roy T Mitsche

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-30 11:02
CPC Classifications
B; B01; B01J; B01J23/00; B01J23/14; B01J23/38; B01J23/54; B01J23/56; B01J23/62; B01J23/622; B01J23/624

Claims Analysis

Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.

References Cited (Backward Citations)

No citation records indexed.

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1974-03-01 1974-08-31 1975-03-02 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1978-03-01 1978-08-31 1979-03-02 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1982-03-01 1982-08-31 1983-03-02 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag