US2953498A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Alcoholic polyvinylimidazole aerosol hair preparation
Assignee: GAF Chemicals Corp
•
Filing: 1958-11-28
•
Granted: 1960-09-20
•
Expires: 1978-11-28
Abstract
No abstract record available.
Inventors
- 👤 Werner Jesse
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 13:16
CPC Classifications
A; A61; A61Q; A61Q5/00; A61Q5/06; A61K; A61K8/00; A61K8/18; A61K8/72; A61K8/81; A61K8/817; Y; Y10; Y10S; Y10S424/00; Y10S424/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
45 words
A TACK-FREE HAIR GROOMING COMPOSITION COMPRISING POLYVINYL IMIDAZOLE HAVING A MOLECULAR WEIGHT OF FROM 20,000 TO 400,000 IN SOLUTION OF A LOW BOILING ALIPHATIC ANHYDROUS ALCOHOL AND AT LEAST ONE AEROSOL PROPELLANT SELECTED FROM THE CLASS CONSISTING OF CHLORO-FLUOROHYDROCARBONS OF THE METHANE AND ETHANE SERIES.
Claim 2
Dependent Claim
45 words
A TACK-FREE HAIR GROOMING COMPOSITION COMPRISING POLYVINYL IMIDAZOLE HAVING A MOLECULAR WEIGHT OF FROM 20,000 TO 400,000 IN SOLUTION OF A LOW BOILING ALIPHATIC ANHYDROUS ALCOHOL AND AT LEAST ONE AEROSOL PROPELLANT SELECTED FROM THE CLASS CONSISTING OF CHLORO-FLUOROHYDROCARBONS OF THE METHANE AND ETHANE SERIES.
References Cited (Backward Citations)
US2643990A
Cited
US2871161A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-09-20 | 1964-03-21 | 1964-09-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-09-20 | 1968-03-21 | 1968-09-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-09-20 | 1972-03-21 | 1972-09-20 | $7700.00 | Window Closed / Lapsed |