US2848346A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Production of zeolitic pigments
Assignee: JM Huber Corp
•
Filing: 1955-05-16
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Granted: 1958-08-19
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Expires: 1975-05-16
Abstract
No abstract record available.
Inventors
- 👤 Bertorelli Orlando Leonard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 04:09
CPC Classifications
C; C01; C01B; C01B33/00; C01B33/20; C01B33/36; C01B33/38; C01B33/42; C01B33/26; C01B33/40; C01B33/46; C09; C09C; C09C1/00; C09C1/40; C09C1/405; C01P; C01P2004/00; C01P2004/60; C01P2004/62; C01P2004/80
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
167 words
THE PROCESS OF PRODUCING A FINE ZEOLITIC MATERIAL USEFUL AS A FILLER OR REINFORCING PIGMENT, WHICH COMPRISES, WHILE STRONGLY AGITATING AND KEEPING ALKALINE AN AQUEOUS REACTION MEDIUM, COMBINING IN SAID MEDIUM AN AQUEOUS SLURRY OF A FINELY DIVIDED PRECIPITATED SILICA SUSPENDED IN A DILUTE AQEUOUS SOLUTION OF A SALT OF ALUMINUM FORMABLE FROM A MINERAL ACID, WITH AN AQUEOUS SOLUTION OF AN ALKALI METAL SILICATE IN WHICH THE MOLAR RATIO OF SIO2 TO ALKALI METAL OXIDE IS FROM 1 TO ABOUT 3.5, THEREBY PRECIPITATING IN SAID MEDIUM IN INTIMATE ASSOCIATION WITH SAID PRECIPITATED SILICA A COMPOSITION OF OXIDES OF SAID ALKALI METAL, ALUMINUM AND SILICON SUBSTANTIALLY ALL THE PARTICLES OF WHICH ARE SMALLER THAN 0.5 MICORN IN DIAMETER, THE COMBINED SOLUTIONS BEING SO PROPORTIONED THAT THE MOLAR RATIO OF ALKALI METAL OXIDE TO A12O3 IN SAID COMPOSITION IS FROM 0.8 TO 1.3 AND THE MOLAR RATIO OF SIO2 TO ALKALI METAL OXIDE THEREIN IS FROM 4 TO ABOUT 14, AND SEPARATING, DRYING AND DISINTERGRATING THE PRECIPITATED MATERIAL.
Claim 2
Dependent Claim
167 words
THE PROCESS OF PRODUCING A FINE ZEOLITIC MATERIAL USEFUL AS A FILLER OR REINFORCING PIGMENT, WHICH COMPRISES, WHILE STRONGLY AGITATING AND KEEPING ALKALINE AN AQUEOUS REACTION MEDIUM, COMBINING IN SAID MEDIUM AN AQUEOUS SLURRY OF A FINELY DIVIDED PRECIPITATED SILICA SUSPENDED IN A DILUTE AQEUOUS SOLUTION OF A SALT OF ALUMINUM FORMABLE FROM A MINERAL ACID, WITH AN AQUEOUS SOLUTION OF AN ALKALI METAL SILICATE IN WHICH THE MOLAR RATIO OF SIO2 TO ALKALI METAL OXIDE IS FROM 1 TO ABOUT 3.5, THEREBY PRECIPITATING IN SAID MEDIUM IN INTIMATE ASSOCIATION WITH SAID PRECIPITATED SILICA A COMPOSITION OF OXIDES OF SAID ALKALI METAL, ALUMINUM AND SILICON SUBSTANTIALLY ALL THE PARTICLES OF WHICH ARE SMALLER THAN 0.5 MICORN IN DIAMETER, THE COMBINED SOLUTIONS BEING SO PROPORTIONED THAT THE MOLAR RATIO OF ALKALI METAL OXIDE TO A12O3 IN SAID COMPOSITION IS FROM 0.8 TO 1.3 AND THE MOLAR RATIO OF SIO2 TO ALKALI METAL OXIDE THEREIN IS FROM 4 TO ABOUT 14, AND SEPARATING, DRYING AND DISINTERGRATING THE PRECIPITATED MATERIAL.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-08-18 | 1962-02-17 | 1962-08-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-08-18 | 1966-02-17 | 1966-08-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-08-18 | 1970-02-17 | 1970-08-19 | $7700.00 | Window Closed / Lapsed |