US2987439A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of applying an aerosol to the eye
Assignee: William Cooper & Nephews Inc
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Filing: 1958-01-07
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Granted: 1961-06-06
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Expires: 1978-01-07
Abstract
No abstract record available.
Inventors
- 👤 Wittlinger Philip
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 15:55
CPC Classifications
B; B65; B65D; B65D83/00; B65D83/14; B65D83/44; B65D83/52; A; A61; A61H; A61H35/00; A61H35/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
159 words
IN A METHOD OF ADMINISTERING A UNIT DOSAGE OF MEDICATION TO THE EYE OF AN ANIMAL, THE IMPROVEMENT OF PROVIDING A BODY OF LIQUID CONTAINING THE MEDICATION IN A PROPELLANT UNDER SUPERATMOSPHERIC PRESSURE, SAID PROPELLANT BEING GASEOUS UNDER AMBIENT TEMPERATURE AND PRESSURE, AND, WHILE STILL UNDER SUPERATMOSPHERIC PRESSURE ISOLATING A SMALL PORTION OF ABOUT 10 MG. TO 1 G. OF SAID LIQUID CONTAINING A UNIT DOSAGE OF MEDICATION, AND THEN RELEASING SAID PORTION AGAINST THE EYE AT AMBIENT ATMOSPHERIC TEMPERATURE AND PRESSURE, 20% TO 75% OF SAID LIQUID BEING THE MEDICATION AND THE BALANCE OF 25% TO 80% BEING A POLYHALOGENATED LOWER ALKANE REFRIGERANT PROPELLANT, THE MEDICATION COMPRISING 0.01% TO 1% METHYL VIOLET IN AN INERT SOLVENT SOLUTION, THE RATIO OF MEDICATION TO PROPELLANT BEING SUFFICIENT TO EFFECT THE APPLICATION OF THE UNIT DOSAGE TO THE EYE USING LESS PROPELLANT THAN THE AMOUNT WHICH WOULD LOWER THE EYE TEMPERATURE MORE THAN 10*F. UPON BEING SO RELEASED AGAINST THE EYE.
Claim 2
Dependent Claim
159 words
IN A METHOD OF ADMINISTERING A UNIT DOSAGE OF MEDICATION TO THE EYE OF AN ANIMAL, THE IMPROVEMENT OF PROVIDING A BODY OF LIQUID CONTAINING THE MEDICATION IN A PROPELLANT UNDER SUPERATMOSPHERIC PRESSURE, SAID PROPELLANT BEING GASEOUS UNDER AMBIENT TEMPERATURE AND PRESSURE, AND, WHILE STILL UNDER SUPERATMOSPHERIC PRESSURE ISOLATING A SMALL PORTION OF ABOUT 10 MG. TO 1 G. OF SAID LIQUID CONTAINING A UNIT DOSAGE OF MEDICATION, AND THEN RELEASING SAID PORTION AGAINST THE EYE AT AMBIENT ATMOSPHERIC TEMPERATURE AND PRESSURE, 20% TO 75% OF SAID LIQUID BEING THE MEDICATION AND THE BALANCE OF 25% TO 80% BEING A POLYHALOGENATED LOWER ALKANE REFRIGERANT PROPELLANT, THE MEDICATION COMPRISING 0.01% TO 1% METHYL VIOLET IN AN INERT SOLVENT SOLUTION, THE RATIO OF MEDICATION TO PROPELLANT BEING SUFFICIENT TO EFFECT THE APPLICATION OF THE UNIT DOSAGE TO THE EYE USING LESS PROPELLANT THAN THE AMOUNT WHICH WOULD LOWER THE EYE TEMPERATURE MORE THAN 10*F. UPON BEING SO RELEASED AGAINST THE EYE.
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) | 1964-06-05 | 1964-12-05 | 1965-06-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-06-05 | 1968-12-05 | 1969-06-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-06-05 | 1972-12-05 | 1973-06-06 | $7700.00 | Window Closed / Lapsed |