US2633604A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Spray cooling normally solid fatty acid hydroxy esters
Assignee: Colgate Palmolive Co
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Filing: 1947-05-21
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Granted: 1953-04-07
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Expires: 1967-05-21
Abstract
No abstract record available.
Inventors
- 👤 Allen Harold Dwaine
- 👤 Arrowsmith Clarence Joseph
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 05:40
CPC Classifications
C; C11; C11B; C11B3/00; C11B3/16
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
63 words
THE PROCESS WHICH COMPRISES SPRAY MOLTEN, NORMALLY SOLID FATTY ACID HYDROXY IN FINE DROPLET FORM INTO A CURRENT OF MOVING GAS AT LOWER TEMPERATURE TO COOL AND SOLIDIFY THE ESTER, THE CONTACT OF THE RESPECTIVE MATERIALS FORMING ZONES OF COOLING AND SOLIDIFICATION, AND THE RATE OF MOTION OF THE GAS BEING SUCH AS TO CARRY UNDESIRED SMALL PARTICLES THEREWITH AWAY FROM SAID ZONES.
Claim 2
Dependent Claim
63 words
THE PROCESS WHICH COMPRISES SPRAY MOLTEN, NORMALLY SOLID FATTY ACID HYDROXY IN FINE DROPLET FORM INTO A CURRENT OF MOVING GAS AT LOWER TEMPERATURE TO COOL AND SOLIDIFY THE ESTER, THE CONTACT OF THE RESPECTIVE MATERIALS FORMING ZONES OF COOLING AND SOLIDIFICATION, AND THE RATE OF MOTION OF THE GAS BEING SUCH AS TO CARRY UNDESIRED SMALL PARTICLES THEREWITH AWAY FROM SAID ZONES.
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) | 1956-04-06 | 1956-10-06 | 1957-04-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-04-06 | 1960-10-06 | 1961-04-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-04-06 | 1964-10-06 | 1965-04-07 | $7700.00 | Window Closed / Lapsed |