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US3081223A
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Self-propelled powder aerosol system
Assignee: Union Carbide Corp
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Filing: 1961-07-19
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Granted: 1963-03-12
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Expires: 1981-07-19
Abstract
No abstract record available.
Inventors
- 👤 Paul E Gunning
- 👤 Donald R Rink
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:47
CPC Classifications
B; B65; B65D; B65D83/00; B65D83/14; B65D83/141; C; C09; C09K; C09K3/00; C09K3/30
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
92 words
A THREE-PHASE SELF-PROPELLING AEROSOL SYSTEM FOR EJECTING A SUBSTANTIALLY LIQUID-FREE STREAM OF AN ACTIVE POWDER FROM A PRESSURIZED CONTAINER THEREFOR, WHICH SYSTEM COMPRISES A FREE-FLOWING POWDERED COMPOSITION OF BE EJECTED FROM THE CONTAINER, AT LEAST ONE COMPONENT OF SAID COMPOSITION BEING PARTICLES OF A LIQUID PROPELLENTSORBENT MATERIAL, AND A VAPORIZABLE LIQUID PROPELLENT, A PORTION OF WHICH PROPELLENT IS HELD IN SAID SORBENT MATERIAL UNDER THE VAPOR PRESSURE OF SAID PROPELLENT NORMALLY EXISTING WITHIN THE CONTAINER AT THE AMBIENT TEMPERATURE; SAID PROPELLENT BEING VAPORIZABLE BY REDUCING THE PRESSURE NORMALLY EXISTING WITHIN THE CONTAINER.
Claim 2
Dependent Claim
92 words
A THREE-PHASE SELF-PROPELLING AEROSOL SYSTEM FOR EJECTING A SUBSTANTIALLY LIQUID-FREE STREAM OF AN ACTIVE POWDER FROM A PRESSURIZED CONTAINER THEREFOR, WHICH SYSTEM COMPRISES A FREE-FLOWING POWDERED COMPOSITION OF BE EJECTED FROM THE CONTAINER, AT LEAST ONE COMPONENT OF SAID COMPOSITION BEING PARTICLES OF A LIQUID PROPELLENTSORBENT MATERIAL, AND A VAPORIZABLE LIQUID PROPELLENT, A PORTION OF WHICH PROPELLENT IS HELD IN SAID SORBENT MATERIAL UNDER THE VAPOR PRESSURE OF SAID PROPELLENT NORMALLY EXISTING WITHIN THE CONTAINER AT THE AMBIENT TEMPERATURE; SAID PROPELLENT BEING VAPORIZABLE BY REDUCING THE PRESSURE NORMALLY EXISTING WITHIN THE CONTAINER.
References Cited (Backward Citations)
US2954935A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-03-11 | 1966-09-10 | 1967-03-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-03-11 | 1970-09-10 | 1971-03-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-03-11 | 1974-09-10 | 1975-03-12 | $7700.00 | Window Closed / Lapsed |