US3006718A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of treating exhaust vapors containing unburned fuel hydrocarbons
Assignee: Minerals and Chemicals Philipp Corp
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Filing: 1959-10-16
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Granted: 1961-10-31
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Expires: 1979-10-16
Abstract
No abstract record available.
Inventors
- 👤 Gary Wright Wesley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 06:23
CPC Classifications
B; B01; B01D; B01D53/00; B01D53/34; B01D53/92; B01D53/94; B01D53/944
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
42 words
A METHOD OF TREATING EXHAUST VAPORS CONTAINING UNBURNED FUEL HYDROCARBONS WHICH COMPRISES CONTACTING AIR-DILUTED EXHAUST VAPORS WITH A VAPOR PERAMEABLE MASS OF DISCRETE PARTICLES OF THERMALLY DESULFATED, SULFURIC ACIDREACTED KAOLIN CLAY AT ELEVATED TEMPERATURE AND PASSING EXHAUST THUS TREATED INTO THE ATMOSPHERE.
Claim 2
Independent Claim
42 words
A METHOD OF TREATING EXHAUST VAPORS CONTAINING UNBURNED FUEL HYDROCARBONS WHICH COMPRISES CONTACTING AIR-DILUTED EXHAUST VAPORS WITH A VAPOR PERAMEABLE MASS OF DISCRETE PARTICLES OF THERMALLY DESULFATED, SULFURIC ACIDREACTED KAOLIN CLAY AT ELEVATED TEMPERATURE AND PASSING EXHAUST THUS TREATED INTO THE ATMOSPHERE.
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) | 1964-10-30 | 1965-05-01 | 1965-10-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-10-30 | 1969-05-01 | 1969-10-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-10-30 | 1973-05-01 | 1973-10-31 | $7700.00 | Window Closed / Lapsed |