Patent US3279527A successfully refreshed from Google Patents.
US3279527A
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Solar evaporation with floating carbonaceous material
Assignee: Cabot Corp
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Filing: 1965-03-08
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Granted: 1966-10-18
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Expires: 1985-03-08
Abstract
No abstract record available.
Inventors
- 👤 John F Hardy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 20:44
CPC Classifications
C; C02; C02F; C02F1/00; C02F1/02; C02F1/04; C02F1/14; Y; Y02; Y02A; Y02A20/00; Y02A20/20; Y02A20/208; Y02A20/212; Y10; Y10S; Y10S159/00; Y10S159/902; Y10S159/903; Y10S203/00; Y10S203/11
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
53 words
A PROCESS FOR IMPROVEMENT THE EVAPORATION RATE OF AN AQUEOUS SOLUTION WHICH IS EXPOSED TO SOLAR RADIANT ENERGY WHICH COMPRISES APPLYING TO THE SURFACE OF SAID SOLUTION A PARTICULATE CARBONACEOUS MATERIAL HAVING AN AVERAGE PARTICLE DIAMETER OF LESS THAN ABOUT ONE INCH AND COMPRISING AT LEAST ABOUT 35% BY WEIGHT OF ELEMENTAL CARBON.
Claim 2
Dependent Claim
53 words
A PROCESS FOR IMPROVEMENT THE EVAPORATION RATE OF AN AQUEOUS SOLUTION WHICH IS EXPOSED TO SOLAR RADIANT ENERGY WHICH COMPRISES APPLYING TO THE SURFACE OF SAID SOLUTION A PARTICULATE CARBONACEOUS MATERIAL HAVING AN AVERAGE PARTICLE DIAMETER OF LESS THAN ABOUT ONE INCH AND COMPRISING AT LEAST ABOUT 35% BY WEIGHT OF ELEMENTAL CARBON.
References Cited (Backward Citations)
GB191419560A
Cited
US1673429A
Cited
FR763867A
Cited
US3015613A
Cited
US3077190A
Cited
US3138546A
Cited
US3194228A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-10-17 | 1970-04-18 | 1970-10-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-10-17 | 1974-04-18 | 1974-10-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-10-17 | 1978-04-18 | 1978-10-18 | $7700.00 | Window Closed / Lapsed |