Patent US3712872A successfully refreshed from Google Patents.
US3712872A
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Composition comprising acrylonitrile-butadiene-styrene polymer beads coated with nn'ethylene bis stearamide
Assignee: Dart Industries Inc
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Filing: 1969-01-03
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Granted: 1973-01-23
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Expires: 1989-01-03
Abstract
Abstract A COMPOSITION INCLUDING ACRYLONTRILE-BUTADIEND-STYRENE POLYMER PARTICLES PREFERABLY IN BEAD FORM COATED WITH 0.25% TO 2.00% BY WEIGHT OF EITHER NN'' ETHYLENE BIS STEARAMIDE OR CALCIUM STEARATE. THE PARTICLE SIZE OF THE BEADS IS PREFERABLY SMALLER THAN 600 MICRONS. THE COMPOSITION IS USEFUL IN ROTATIONALLY CASTING ARTICLES FROM ACRYLONTRILE-BUTADIENE-STYRENE POLYMERS.
Inventors
- 👤 S Lammers
- 👤 A Ciarlone
- 👤 F Carrock
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 21:29
CPC Classifications
C; C08; C08J; C08J3/00; C08J3/12; C08J3/124; B; B29; B29C; B29C41/00; B29C41/003; B29C41/02; B29C41/04; B29C41/06; B29K; B29K2055/00; B29K2055/02; B29K2105/00; B29K2105/06; B29K2105/16; C08J2355/00; C08J2355/02
Claims Analysis
Total Claims: 0
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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) | 1976-01-23 | 1976-07-24 | 1977-01-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-01-23 | 1980-07-24 | 1981-01-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-01-23 | 1984-07-24 | 1985-01-23 | $7700.00 | Window Closed / Lapsed |