US3235089A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Composite adsorbent filter body
Assignee: Star Porcelain Co
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Filing: 1960-06-30
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Granted: 1966-02-15
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Expires: 1980-06-30
Abstract
No abstract record available.
Inventors
- 👤 Francis H Burroughs
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 19:55
CPC Classifications
B; B01; B01J; B01J20/00; B01J20/28; B01J20/28014; B01J20/28042; B01D; B01D39/00; B01D39/14; B01D39/20; B01D39/2068; B01D39/2072; B01D39/2075; B01J20/02; B01J20/10; B01J20/16; B01J20/18; B01J20/183; B01J20/28002; B01J20/28004; B01J20/2803; Y; Y10; Y10S; Y10S210/00; Y10S210/07
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
71 words
A COMPOSITE ADSORBENT FILTER BODY CONSISTING ESSENTIALLY OF AT LEAST 50% BY WEIGHT OF PARTICLES OF AN ADSORBENT MATERIAL SELECTED FROM THE GROUP CONSISTING OF CRYSTALLIEN ZEOLITE MOLECULAR SLEVES, ACTIVATED ALUMINA AND MIXTURES THEREOF, THE PARTICLES OF SAID ADSORBENT MATERIAL BEING FUSED TOGETHER BY BETWEEN ABOUT 5 AND ABOUT 30 PARTS BY WEIGHT, PER 100 PARTS OF ADSORBENT MATERIAL OF A GLASS FRIT HAVING A MATURING TEMPERATURE BETWEEN 850*F. AND 2000*F.
Claim 2
Dependent Claim
71 words
A COMPOSITE ADSORBENT FILTER BODY CONSISTING ESSENTIALLY OF AT LEAST 50% BY WEIGHT OF PARTICLES OF AN ADSORBENT MATERIAL SELECTED FROM THE GROUP CONSISTING OF CRYSTALLIEN ZEOLITE MOLECULAR SLEVES, ACTIVATED ALUMINA AND MIXTURES THEREOF, THE PARTICLES OF SAID ADSORBENT MATERIAL BEING FUSED TOGETHER BY BETWEEN ABOUT 5 AND ABOUT 30 PARTS BY WEIGHT, PER 100 PARTS OF ADSORBENT MATERIAL OF A GLASS FRIT HAVING A MATURING TEMPERATURE BETWEEN 850*F. AND 2000*F.
Claim 3
Independent Claim
133 words
A METHOD FOR PREPARING A DESICCANT FILTER BODY WHICH COMPRISES INTIMATELY MIXING PARTICLES OF AN ADSORBENT SELECTED FROM THE GROUP CONSISTING OF ACTIVATED ALUMINA, CRYSTALLINE ZEOLITE MOLECULAR SIEVES AND MIXTURES THEREOF, A CLAY BINDER, AND A GLASS FRIT HAVING A MATURING TEMPERATURE BETWEEN 850 AND 2000*F., MOLDING THE MIXTURE INTO A SHAPED MASS, AND SUBJECTING THE SHAPED MASS TO A TEMPERATURE BELOW THAT REQUIRED TO DEAD-BURN THE ADSORBENT AND SUFFICIENT TO FUSE THE GLASS FRIT TO THE ADSORBENT PARTICLES AND PRODUCE A COMPOSITE ARTICLE CONSISTING ESSENTIALLY OF AT LEAST 50% ADSORBENT, FROM 5 TO 15 PARTS OF CLAY BINDER PER 100 PARTS OF ADSORBENT, AND THE BALANCE GLASS FRIT, THERE BEING AT LEAST 5 PARTS OF SAID GLASS FRIT PER 100 PARTS OF ADSORBENT, SAID GLASS FRIT BONDING THE PARTICLES OF ADSORBENT TOGETHER.
Claim 4
Independent Claim
133 words
A METHOD FOR PREPARING A DESICCANT FILTER BODY WHICH COMPRISES INTIMATELY MIXING PARTICLES OF AN ADSORBENT SELECTED FROM THE GROUP CONSISTING OF ACTIVATED ALUMINA, CRYSTALLINE ZEOLITE MOLECULAR SIEVES AND MIXTURES THEREOF, A CLAY BINDER, AND A GLASS FRIT HAVING A MATURING TEMPERATURE BETWEEN 850 AND 2000*F., MOLDING THE MIXTURE INTO A SHAPED MASS, AND SUBJECTING THE SHAPED MASS TO A TEMPERATURE BELOW THAT REQUIRED TO DEAD-BURN THE ADSORBENT AND SUFFICIENT TO FUSE THE GLASS FRIT TO THE ADSORBENT PARTICLES AND PRODUCE A COMPOSITE ARTICLE CONSISTING ESSENTIALLY OF AT LEAST 50% ADSORBENT, FROM 5 TO 15 PARTS OF CLAY BINDER PER 100 PARTS OF ADSORBENT, AND THE BALANCE GLASS FRIT, THERE BEING AT LEAST 5 PARTS OF SAID GLASS FRIT PER 100 PARTS OF ADSORBENT, SAID GLASS FRIT BONDING THE PARTICLES OF ADSORBENT TOGETHER.
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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) | 1969-02-14 | 1969-08-16 | 1970-02-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-02-14 | 1973-08-16 | 1974-02-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-02-14 | 1977-08-16 | 1978-02-15 | $7700.00 | Window Closed / Lapsed |