US2556722A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Removal of water haze from immiscible liquids
Assignee: Atlantic Richfield Co
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Filing: 1946-10-25
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Granted: 1951-06-12
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Expires: 1966-10-25
Abstract
No abstract record available.
Inventors
- 👤 Arthur B Hersberger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 19:19
CPC Classifications
C; C10; C10G; C10G33/00; C10G33/06; B; B01; B01D; B01D17/00; B01D17/02; B01D17/04; B01D17/045; F; F26; F26B; F26B5/00; F26B5/005; Y; Y10; Y10S; Y10S210/00; Y10S210/05
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
48 words
THE METHOD OF REMOVING WATER HAZE FROM LIQUIDS SUBSTANTIALLY IMMISCIBLE WITH WATER, WHICH COMPRISES PASSING THE LIQUID CONTAINING WATER HAZE THROUGH A FILAMENTOUS MATERIAL THE SURFACES OF WHICH ARE COATED WITH A SILICONE FILM, COALESCING THE WATER HAZE INTO DROPS, AND SEPARATING THE DROPS FROM THE IMMISCIBLE LIQUID.
Claim 2
Independent Claim
48 words
THE METHOD OF REMOVING WATER HAZE FROM LIQUIDS SUBSTANTIALLY IMMISCIBLE WITH WATER, WHICH COMPRISES PASSING THE LIQUID CONTAINING WATER HAZE THROUGH A FILAMENTOUS MATERIAL THE SURFACES OF WHICH ARE COATED WITH A SILICONE FILM, COALESCING THE WATER HAZE INTO DROPS, AND SEPARATING THE DROPS FROM THE IMMISCIBLE LIQUID.
References Cited (Backward Citations)
US1394011A
Cited
US1547712A
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US2243296A
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US2306222A
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US2361092A
Cited
US2348167A
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US2412470A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-06-11 | 1954-12-11 | 1955-06-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-06-11 | 1958-12-11 | 1959-06-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-06-11 | 1962-12-11 | 1963-06-12 | $7700.00 | Window Closed / Lapsed |