Patent US3316110A successfully refreshed from Google Patents.
US3316110A
Expired / Lapsed
US
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Refractory compositions and processes
Assignee: Monsanto Co
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Filing: 1964-10-07
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Granted: 1967-04-25
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Expires: 1984-10-07
Abstract
No abstract record available.
Inventors
- 👤 Harold J Herbst
- 👤 John E Lyon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 05:12
CPC Classifications
C; C04; C04B; C04B33/00; C04B33/02; C04B33/13; C04B33/1315
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
125 words
A COMPOSITION SUITABLE FOR THE MANUFACUTE OF REFRACTORIES CONSISTING OF A MIXTURE OF (1) FROM ABOUT 1% TO ABOUT 10% BY WEIGHT, BASED ON THE WEIGHT OF THE COMPOSITION, OF WATER, (2) FROM ABOUT 1% TO ABOUT 8% BY WEIGHT, BASED ON THE WEIGHT OF THE COMPOSITION, OF ANY ACID OF A PHOSPHORUS OXEDE, (3) FROM ABOUT 1% TO ABOUT 8% BY WEIGHT, BASED ON THE WEIGHT OF THE COMPOSITION, OF A POLYCARBOXYLIC ACID, AND (4) THE REMAINDER OF SAID COMPOSITION CONSISTING OF AN INORGANIC MATERIAL SELECTED FROM THE GROUP CONSISTING OF (A) ALUMINUM OXIDE AND (B) A MIXTURE OF ALUMINUM OXIDE AND A REFRACTORY CLAY, SAID REFRACTORY CLAY CONSISTING OF FROM ABOUT 3% TO ABOUT 15% BY WEIGHT, OF THE WEIGHT OF THE COMPOSITION.
References Cited (Backward Citations)
US2220411A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-04-24 | 1970-10-24 | 1971-04-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-04-24 | 1974-10-24 | 1975-04-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-04-24 | 1978-10-24 | 1979-04-25 | $7700.00 | Window Closed / Lapsed |