US3038816A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for producing sprayable composition
Assignee: Gibraltar Industries Inc
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Filing: 1959-06-12
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Granted: 1962-06-12
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Expires: 1979-06-12
Abstract
No abstract record available.
Inventors
- 👤 Leonard B Drell
- 👤 Leon R Rubin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 08:24
CPC Classifications
A; A23; A23J; A23J7/00; C; C09; C09K; C09K3/00; C09K3/30
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
95 words
THE METHOD OF PRODUCING AN AEROSOL COMPOSITION CONTAINING LECITHIN WHICH MAY BE DISPENSED FROM A PRESSURE TIGHT CONTAINER, COMPRISING THE STEPS OF: DISSOLVING UP TO 1 PART BY WEIGHT OF LECITHIN IN ABOUT 5 PARTS BY WEIGHT OF MONOFLUORTRICHLORMETHANE AT A TEMPERATURE BELOW THE BOILING POINT THEREOF, COOLING THE LECITHIN SOLUTION TO A TEMPERATURE FROM ABOUT 5*F. TO-10*F., AND COMBINING THE COOL SOLUTION WITH A SUFFICIENT AMOUNT OF ODORLESS, NONTOXIC PROPELLANT IN A LIQUID STATE OF PROVIDE AN OVER-ALL RESULTING VAPOR PRESSURE OF THE COMPOSITION AT 70*F. OF BETWEEN ABOUT 2/ TO 35 P.S.I., GAUGE.
Claim 2
Independent Claim
95 words
THE METHOD OF PRODUCING AN AEROSOL COMPOSITION CONTAINING LECITHIN WHICH MAY BE DISPENSED FROM A PRESSURE TIGHT CONTAINER, COMPRISING THE STEPS OF: DISSOLVING UP TO 1 PART BY WEIGHT OF LECITHIN IN ABOUT 5 PARTS BY WEIGHT OF MONOFLUORTRICHLORMETHANE AT A TEMPERATURE BELOW THE BOILING POINT THEREOF, COOLING THE LECITHIN SOLUTION TO A TEMPERATURE FROM ABOUT 5*F. TO-10*F., AND COMBINING THE COOL SOLUTION WITH A SUFFICIENT AMOUNT OF ODORLESS, NONTOXIC PROPELLANT IN A LIQUID STATE OF PROVIDE AN OVER-ALL RESULTING VAPOR PRESSURE OF THE COMPOSITION AT 70*F. OF BETWEEN ABOUT 2/ TO 35 P.S.I., GAUGE.
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) | 1965-06-11 | 1965-12-11 | 1966-06-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-06-11 | 1969-12-11 | 1970-06-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-06-11 | 1973-12-11 | 1974-06-12 | $7700.00 | Window Closed / Lapsed |