Patent US3574156A successfully refreshed from Google Patents.
US3574156A
Expired / Lapsed
US
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Antistatic resinous compositions
Assignee: Lever Brothers Co
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Filing: 1969-05-28
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Granted: 1971-04-06
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Expires: 1989-05-28
Abstract
Abstract THE INVENTION RELATES TO THE USE OF FATTY ACID GLYCERIDES CONTAINING AT LEAST 50% BY WEIGHT, PREFERABLY AT LEAST 80% BY WEIGHT OF A SATURATED LINEAR C6-C10 MONOGLYCERIDE FOR REDUCING THE SURFACE ELECTRICAL RESISTANCE OF THERMOPLASTIC POLYMERS SUCH AS POLYETHYLENE, POLYPROPYLENE, POLYVINYLCHLORIDE AND POLYSTYRENE. RESINOUS COMPOSITIONS POSSESSING IMPROVED ANTISTATIC PROPERTIES AND COMPRISING 0.057% BY WEIGHT C6-C10 MONOGLYCERIDE AND PROCESSES FOR PREPARING THESE COMPOSITIONS ARE PROVIDED.
Inventors
- 👤 John Duncan Wagner
- 👤 Hans-Werner Friedrich Mi Finck
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 21:42
CPC Classifications
C; C11; C11C; C11C3/00; C11C3/003; C08; C08K; C08K5/00; C08K5/04; C08K5/10; C08K5/101; C08K5/103; C11C3/02; C11C3/025; Y; Y10; Y10S; Y10S428/00; Y10S428/922; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31855; Y10T428/31935; Y10T428/31938
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-04-05 | 1974-10-05 | 1975-04-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-04-05 | 1978-10-05 | 1979-04-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-04-05 | 1982-10-05 | 1983-04-06 | $7700.00 | Window Closed / Lapsed |