US2889288A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for the manufacture of catalysts
Assignee: Oxy Catalyst Inc
•
Filing: 1953-04-02
•
Granted: 1959-06-02
•
Expires: 1973-04-02
Abstract
No abstract record available.
Inventors
- 👤 Eugene J Houdry
- 👤 James W Harrison
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:59
CPC Classifications
B; B01; B01J; B01J37/00; B01J21/00; B01J21/02; B01J21/04; B01J23/00; B01J23/38; B01J37/0009
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
168 words
A METHOD FOR PRODUCING CATALYTIC STRUCTURES OF SUPERIOR HARDNESS, RESISTANCE TO ATTRITION, SHOCKS, ABRASION AND THE LIKE WHICH COMPRISES THE STEPS OF PRODUCING A COHERENT MASS OF FINE PARTICLES OF A CATALYTIC ORGANIC OXIDE HOMOGENEOUSLY MOIST WITH AN AQUEOUS SOLUTION OF A WATER SOLUBLE SALT OF A MEMBER SELECTED FROM THE GROUP CONSISTING OF ALUMINUM, BERYLLIUM, THORIUM AND MAGNESIUM WHICH IS DECOMPOSABLE INTO A CATALYTIC INORGANIC OXIDE, DRYING SAID MASS BY HEATING THE MASS IN AN EN CLOSED SPACED SUCH THAT WATER VAPOR PRODUCED BY EVAPORATION OF MOISTURE IN SAID MASS ACCUMULATES WITHIN SAID SPACE, CONTROLLING THE RELEASE OF WATER VAPOR FROM SAID ENCLOSED SPACE THROUGH A RESTRICTED VENTING FROM SAID SPACE TO THE ATMOSPHERE SUCH THAT A SLIGHT POSITIVE PRESSURE IS CEATED IN SAID ENCLOSURE BY THE EVAPORATING VAPOR BY VIRTUE OF WHICH SAID VAPOR ESCAPES TO THE ATMOSPHERE, THEREBY MAINTAINING THE ATMOSPHERE IN SAID ENCLOSED SPACE JUST BELOW ITS SATURATION POINT WITH RESPECT TO WATER VAPOR, AND THEREAFTER DECOMPOSING SAID COMPOUND INTO A CATALYTIC INORGANIC OXIDE.
Claim 2
Independent Claim
168 words
A METHOD FOR PRODUCING CATALYTIC STRUCTURES OF SUPERIOR HARDNESS, RESISTANCE TO ATTRITION, SHOCKS, ABRASION AND THE LIKE WHICH COMPRISES THE STEPS OF PRODUCING A COHERENT MASS OF FINE PARTICLES OF A CATALYTIC ORGANIC OXIDE HOMOGENEOUSLY MOIST WITH AN AQUEOUS SOLUTION OF A WATER SOLUBLE SALT OF A MEMBER SELECTED FROM THE GROUP CONSISTING OF ALUMINUM, BERYLLIUM, THORIUM AND MAGNESIUM WHICH IS DECOMPOSABLE INTO A CATALYTIC INORGANIC OXIDE, DRYING SAID MASS BY HEATING THE MASS IN AN EN CLOSED SPACED SUCH THAT WATER VAPOR PRODUCED BY EVAPORATION OF MOISTURE IN SAID MASS ACCUMULATES WITHIN SAID SPACE, CONTROLLING THE RELEASE OF WATER VAPOR FROM SAID ENCLOSED SPACE THROUGH A RESTRICTED VENTING FROM SAID SPACE TO THE ATMOSPHERE SUCH THAT A SLIGHT POSITIVE PRESSURE IS CEATED IN SAID ENCLOSURE BY THE EVAPORATING VAPOR BY VIRTUE OF WHICH SAID VAPOR ESCAPES TO THE ATMOSPHERE, THEREBY MAINTAINING THE ATMOSPHERE IN SAID ENCLOSED SPACE JUST BELOW ITS SATURATION POINT WITH RESPECT TO WATER VAPOR, AND THEREAFTER DECOMPOSING SAID COMPOUND INTO A CATALYTIC INORGANIC OXIDE.
References Cited (Backward Citations)
US2492167A
Cited
US2397350A
Cited
US2528767A
Cited
US2580806A
Cited
US2688002A
Cited
US2665258A
Cited
US2746935A
Cited
US2767148A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-06-01 | 1962-12-01 | 1963-06-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-06-01 | 1966-12-01 | 1967-06-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-06-01 | 1970-12-01 | 1971-06-02 | $7700.00 | Window Closed / Lapsed |