US3670073A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydrophilic polymer containing aerosol
Assignee: National Patent Development Corp
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Filing: 1970-09-09
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Granted: 1972-06-13
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Expires: 1990-09-09
Abstract
Abstract An aerosol composition is prepared containing a hydroxyl containing hydrophilic acrylate or methacrylate.
Inventors
- 👤 Thomas H Shepherd
- 👤 Francis E Gould
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 14:46
CPC Classifications
A; A61; A61Q; A61Q5/00; A61Q5/06; A61K; A61K8/00; A61K8/02; A61K8/04; A61K8/046; A61K8/18; A61K8/72; A61K8/81; A61K8/8141; A61K8/8152; A61Q1/00; A61Q1/12; A61Q15/00; A61Q17/00; A61Q17/04
Claims Analysis
Total Claims: 8
Claim 1
Independent Claim
29 words
A polymer composition according to claim 1 wherein the acrylate or methacrylate is a member of the group consisting of hydroxyethyl acrylate, hydroxyethyl methacrylate, hydroxypropyl acrylate and hydroxypropyl methacrylate.
Claim 2
Dependent Claim
15 words
A packaged composition according to claim 2 wherein the acrylate or methacrylate is 2-hydroxyethyl methacrylate.
Claim 3
Dependent Claim
21 words
A packaged composition according to claim 2 wherein the aerosol is in the form of a powder except for the propellant.
Claim 4
Dependent Claim
18 words
A packaged composition according to claim 2 wherein the aerosol includes an organic solvent for the hydrophilic polymer.
Claim 5
Dependent Claim
14 words
A packaged composition according to claim 5 wherein the solvent is A lower alkanol.
Claim 6
Dependent Claim
41 words
A packaged composition according to claim 2 in the form of a dry powder except for the propellant said composition and containing, retained in the dry polymer, a flavor, essence or deodorant releasable from the polymer when the polymer is wet.
Claim 7
Dependent Claim
15 words
A polymer composition according to claim 1 wherein there is included a sun screening composition.
Claim 8
Dependent Claim
14 words
A composition according to claim 8 wherein the sun screening composition is 2-ethoxyethyl-p-methoxy cinnamate.
References Cited (Backward Citations)
US3574822A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1975-06-13 | 1975-12-13 | 1976-06-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-06-13 | 1979-12-13 | 1980-06-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-06-13 | 1983-12-13 | 1984-06-13 | $7700.00 | Window Closed / Lapsed |