US3966087A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Aerosol dispensing device containing a hairsetting preparation having a low propellant content
Assignee: Lever Brothers Co
•
Filing: 1974-03-29
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Granted: 1976-06-29
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Expires: 1994-03-29
Abstract
Abstract An aerosol hairsetting preparation comprises a film-forming resin and a minor amount of a propellant dissolved in water and optionally a water-miscible organic solvent. The product is preferably dispensed from an aerosol can having two compartments connected by a gas valve, one compartment containing the product and the other containing propellant gas.
Inventors
- 👤 Kenneth Vasey Curry
- 👤 Rustom Kooverji Gamadia
- 👤 Barry Graham Pike
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 14:03
CPC Classifications
A; A61; A61K; A61K8/00; A61K8/18; A61K8/72; A61K8/81; A61K8/8141; A61K8/8147; A61K8/02; A61K8/04; A61K8/046; A61K8/817; A61K8/8176; A61Q; A61Q5/00; A61Q5/06; A61K2800/00; A61K2800/80; A61K2800/88; B; B65; B65D; B65D83/00; B65D83/14; B65D83/60; B65D83/673; Y; Y10; Y10S; Y10S424/00; Y10S424/01; Y10S424/02
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
117 words
An aerosol dispensing device having i. a first compartment containing a single liquid phase product and propellant in gaseous form, said single liquid phase comprising by weight from about 50 to about 99% water, from 0 to about 40% of a water-miscible organic solvent, from about 0.2 to about 5% of a film-forming resin and from about 0.001 to about 25% of a propellant dissolved therein; ii. a dispensing valve arranged to interconnect the first compartment and the atmosphere; iii. a second compartment containing propellant gas; and iv. a communicating valve arranged to interconnect the second compartment and the first compartment, thereby to allow the propellant gas to pass from the second compartment to the first compartment.
Claim 2
Dependent Claim
117 words
An aerosol dispensing device having i. a first compartment containing a single liquid phase product and propellant in gaseous form, said single liquid phase comprising by weight from about 50 to about 99% water, from 0 to about 40% of a water-miscible organic solvent, from about 0.2 to about 5% of a film-forming resin and from about 0.001 to about 25% of a propellant dissolved therein; ii. a dispensing valve arranged to interconnect the first compartment and the atmosphere; iii. a second compartment containing propellant gas; and iv. a communicating valve arranged to interconnect the second compartment and the first compartment, thereby to allow the propellant gas to pass from the second compartment to the first compartment.
Claim 3
Dependent Claim
28 words
The aerosol dispensing device according to claim 1, wherein in the second compartment the propellant gas is a mixture of a permanent gas and a liquified gaseous propellant.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1979-06-29 | 1979-12-29 | 1980-06-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1983-06-29 | 1983-12-29 | 1984-06-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1987-06-29 | 1987-12-29 | 1988-06-29 | $7700.00 | Window Closed / Lapsed |