US3723616A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hair spray containing vinyl ester-ester of {60 ,{62 -unsaturated mono-or dicarboxylic acid copolymer
Assignee: F Hoffmann La Roche AG
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Filing: 1970-02-27
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Granted: 1973-03-27
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Expires: 1990-02-27
Abstract
Abstract Hair sprays containing film forming copolymers of (a) vinyl esters; (b) monoesters of aliphatic olefinically unsaturated mono- or dicarboxylic acids with lower alkanediols, and where required; and (c) Alpha , Beta -unsaturated carboxylic acids are disclosed.
Inventors
- 👤 G Erlemann
- 👤 M Sander
- 👤 G Zimmer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 09:09
CPC Classifications
A; A61; A61Q; A61Q5/00; A61Q5/06; A61K; A61K8/00; A61K8/18; A61K8/72; A61K8/81; A61K8/8141; A61K8/8152; A61K8/8164; C; C08; C08F; C08F20/00; C08F20/62; C08F218/00; C08F218/02; C08F218/04; C08F22/00; Y; Y10; Y10S; Y10S424/00; Y10S424/01; Y10S424/02
Claims Analysis
Total Claims: 0
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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) | 1976-03-26 | 1976-09-25 | 1977-03-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-03-26 | 1980-09-25 | 1981-03-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-03-26 | 1984-09-25 | 1985-03-27 | $7700.00 | Window Closed / Lapsed |