US3216905A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Purification of gas with soil microorganisms
Assignee: WR Grace and Co
•
Filing: 1963-06-12
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Granted: 1965-11-09
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Expires: 1983-06-12
Abstract
No abstract record available.
Inventors
- 👤 James N Baptist
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 12:20
CPC Classifications
B; B01; B01D; B01D53/00; B01D53/34; B01D53/74; B01D53/84; B01D53/85; Y; Y02; Y02A; Y02A50/00; Y02A50/20; Y10; Y10S; Y10S210/00; Y10S210/902; Y10S210/916
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
90 words
A METHOD FOR REMOVING OBNOXIOUS ORGANIC MATERIALS FROMGASES WHICH COMPRISES PASSING A SUBSTANTIALLY DRY GAS STREAM CONTAINING OBNOXIOUS ORGANIC IMPURITIES IN CONTACT WITH A SUBSTANTIALLY DRY ABSORBENT MATERIAL CAPABLE OF PHYSICALLY ABSORBIN SAID IMPURITIES FROM SAID AIR STREAM, SAID ADSORBENT MATERIAL BEING IMPREGNATED WITH A MIXTURE OF VIABLE SOIL MICROORGANISMS INA DORMANT STATE AND NUTRIENT SALTS, RMOVING SAID ABSORBENT MATERIAL FROM SAID AIR STREAM WHEN SAID MATERIAL IS SUBSTANTIALLY SATURATED WITH ORGANIC IMPURITIES, AND ADDING WATER TO SAID SATURATED ABSORBENT MATERIAL, TO ACTIVATE SAID SOIL MICROORGANISMS AND OXIDIZE SAID IMPURITEIS.
Claim 2
Independent Claim
90 words
A METHOD FOR REMOVING OBNOXIOUS ORGANIC MATERIALS FROMGASES WHICH COMPRISES PASSING A SUBSTANTIALLY DRY GAS STREAM CONTAINING OBNOXIOUS ORGANIC IMPURITIES IN CONTACT WITH A SUBSTANTIALLY DRY ABSORBENT MATERIAL CAPABLE OF PHYSICALLY ABSORBIN SAID IMPURITIES FROM SAID AIR STREAM, SAID ADSORBENT MATERIAL BEING IMPREGNATED WITH A MIXTURE OF VIABLE SOIL MICROORGANISMS INA DORMANT STATE AND NUTRIENT SALTS, RMOVING SAID ABSORBENT MATERIAL FROM SAID AIR STREAM WHEN SAID MATERIAL IS SUBSTANTIALLY SATURATED WITH ORGANIC IMPURITIES, AND ADDING WATER TO SAID SATURATED ABSORBENT MATERIAL, TO ACTIVATE SAID SOIL MICROORGANISMS AND OXIDIZE SAID IMPURITEIS.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-11-08 | 1969-05-10 | 1969-11-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-11-08 | 1973-05-10 | 1973-11-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-11-08 | 1977-05-10 | 1977-11-09 | $7700.00 | Window Closed / Lapsed |