US3574822A
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Powdered cosmetics of hydrophilic hydroxy lower alkyl acrylates and methocrylates
Assignee: National Patent Development Corp
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Filing: 1968-07-10
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Granted: 1971-04-13
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Expires: 1988-07-10
Abstract
Abstract COSMETIC PREPARATIONS SUCH AS POWDERS AND THE LIKE ARE PREPARED BY ADDING A POWDERED HYDROPHYLIC ACRYLATE OR METHACRYLATE POLYMER TO THE SELECTED POWDERED COSMETIC INGREDIENTS. THE HYDROPHYLIC POLYMER CAN BE CROSSLINKED.
Inventors
- 👤 Thomas H Shepherd
- 👤 Francis E Gould
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 22:42
CPC Classifications
C; C11; C11D; C11D17/00; C11D17/0039; A; A01; A01N; A01N25/00; A01N25/08; A01N25/10; A23; A23L; A23L27/00; A23L27/70; A23L27/74; A61; A61K; A61K8/00; A61K8/02; A61K8/0216; A61K8/022; A61K8/0241; A61K8/04; A61K8/046; A61K8/18; A61K8/19; A61K8/24; A61K8/72; A61K8/81; A61K8/8141; A61K8/8152; A61Q; A61Q1/00; A61Q1/12; A61Q15/00; A61Q19/00; C08; C08F; C08F220/00; C08F220/02; C08F220/10; C08F220/20; C09; C09D; C09D4/00; C11D3/00; C11D3/16; C11D3/38; C11D3/386; C11D3/38672; C11D3/50; C11D9/00; C11D9/04; C11D9/44; C11D9/442; G; G02; G02B; G02B1/00; G02B1/04; G02B1/041; G02B1/043; A61K2800/00; A61K2800/40; A61K2800/56; A61Q1/02; A61Q11/00; A61Q17/00; A61Q17/02; A61Q17/04; A61Q19/10; A61Q5/00; A61Q5/06; Y; Y10; Y10S; Y10S424/00; Y10S424/01; Y10S424/02
Claims Analysis
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References Cited (Backward Citations)
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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) | 1974-04-12 | 1974-10-12 | 1975-04-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-04-12 | 1978-10-12 | 1979-04-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-04-12 | 1982-10-12 | 1983-04-13 | $7700.00 | Window Closed / Lapsed |