US3085850A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process and composition for retarding water evaporation
Assignee: ALCOLAC CHEMICAL Corp
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Filing: 1957-06-03
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Granted: 1963-04-16
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Expires: 1977-06-03
Abstract
No abstract record available.
Inventors
- 👤 Richard R Egan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 18:19
CPC Classifications
B; B01; B01J; B01J19/00; B01J19/16
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
62 words
A PROCESS FOR RETARDING SURFACE EVAPORATION FROM BODIES OF WAGTER WHICH COMPRISES ADDING TO SAID BODY OF WATER A HOMOGENEOUS NORMALLY SOLID COMMPOSITION COMPRISING AT LEAST ONE SOLID, ALKYL ALCOHOL HAVING FROM 14 TO 18 CARBON TOMS AND FROM ABOUT 5 TO AOUT 25% BY WEIGHT OF SAID SOLID ALCOHOL OF A LIQUID, ALKYL ALCHOL HAVING FROM 6 TO 10 CARBON ATOMS.
Claim 2
Dependent Claim
62 words
A PROCESS FOR RETARDING SURFACE EVAPORATION FROM BODIES OF WAGTER WHICH COMPRISES ADDING TO SAID BODY OF WATER A HOMOGENEOUS NORMALLY SOLID COMMPOSITION COMPRISING AT LEAST ONE SOLID, ALKYL ALCOHOL HAVING FROM 14 TO 18 CARBON TOMS AND FROM ABOUT 5 TO AOUT 25% BY WEIGHT OF SAID SOLID ALCOHOL OF A LIQUID, ALKYL ALCHOL HAVING FROM 6 TO 10 CARBON ATOMS.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-04-15 | 1966-10-15 | 1967-04-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-04-15 | 1970-10-15 | 1971-04-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-04-15 | 1974-10-15 | 1975-04-16 | $7700.00 | Window Closed / Lapsed |