US3415614A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process and composition for retarding water evaporation
Assignee: Ashland LLC
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Filing: 1966-02-16
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Granted: 1968-12-10
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Expires: 1986-02-16
Abstract
No abstract record available.
Inventors
- 👤 Richard R Egan
- 👤 Stanley R Sheeran
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 17:19
CPC Classifications
B; B01; B01J; B01J19/00; B01J19/16
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
64 words
A PROCESS FOR RETARDING SURFACE EVAPORATION FROM BODIES OF WATER WHICH COMPRISES ADDING TO SAID BODY OF WATER A NORMALLY SOLID COMPOSITION COMPRISING AT LEAST ONE SOLID, ALIPHATIC ALCOHOL HAVING FROM 12 TO 20 CARBON ATOMS AND FROM ABOUT 5 TO ABOUT 25% BY WEIGHT OF SAID SOLID ALCOHOL OF A LIQUID HETEROCYCLIC COMPOUND HAVING A FIVE-MENTIONED RING, ONE MEMBER OF WHICH IS OXYGEN.
References Cited (Backward Citations)
US3082058A
Cited
US3154505A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-12-10 | 1972-06-10 | 1972-12-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-12-10 | 1976-06-10 | 1976-12-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-12-10 | 1980-06-10 | 1980-12-10 | $7700.00 | Window Closed / Lapsed |