Patent NL53341C successfully refreshed from Google Patents.
Patent US3212972A successfully refreshed from Google Patents.
US3212972A
Expired / Lapsed
US
⏱️ 0.0 years remaining
N-lower alkyl-n-vinylacetamide aerosol spray formulations
Assignee: Union Carbide Corp
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Filing: 1962-08-21
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Granted: 1965-10-19
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Expires: 1982-08-21
Abstract
No abstract record available.
Inventors
- 👤 Jr Frederick E Bailey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 02:47
CPC Classifications
C; C08; C08J; C08J3/00; C08J3/02; C08J3/09; C08J3/091; C08F; C08F226/00; C08F226/02; C08J2339/00; Y; Y10; Y10S; Y10S424/00; Y10S424/01; Y10S424/02; Y10S524/00; Y10S524/903
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
54 words
A PROCESS FOR SETTING HAIR WHICH COMPRISES APPLYING TO THE HAIR AN AEROSOL FORMULATION COMPRISING A PROPELLANT AND A SOLUTION CONTAINING FROM ABOUT 1 PERCENT BY WEIGHT TO ABOUT 3 PERCENT BY WEIGHT OF A COPOLYMER COMPOSED OF FROM ABOUT 30 MOLE PERCENT TO ABOUT 70 MOLE PERCENT OF UNITS REPRESENTED BY THE FORMULA
References Cited (Backward Citations)
US2231905A
Cited
US2764454A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-10-18 | 1969-04-19 | 1969-10-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-10-18 | 1973-04-19 | 1973-10-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-10-18 | 1977-04-19 | 1977-10-19 | $7700.00 | Window Closed / Lapsed |