US3736173A
Expired / Lapsed
US
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Method of preparing curable polyolefin granules containing a cross-linking agent
Assignee: Dainichi Nippon Cables Ltd
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Filing: 1971-01-18
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Granted: 1973-05-29
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Expires: 1991-01-18
Abstract
Abstract A METHOD OF PREPARING CURABLE POLYOLEFIN GRANULES COMPRISING STIRRING POLYOLEFIN GRANULES AND A CROSSLINKING AGENT IN A HIGH SPEED STIRRING APPARATUS TO LOCALLY FUSE THE SURFACES OF THE POLYOLEFIN GRANULES BY THE FRICTION AND COLLISION OF POLYOLEFIN GRANULES, WHILE PREVENTING COHESION OF THE POLYOLEFIN GRANULES WITH EACH OTHER, AND TO CAUSE THE CROSSLINKING AGENT TO PENETRATE AND DIFFUSE INTO THE GRANULES OF POLYOLEFIN.
Inventors
- 👤 M Okada
- 👤 H Takemori
- 👤 T Kita
- 👤 T Nakai
- 👤 M Ohtsuji
- 👤 Y Fujiwara
- 👤 S Tamura
- 👤 K Morita
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 21:38
CPC Classifications
C; C08; C08J; C08J3/00; C08J3/20; C08J3/203; B; B29; B29B; B29B7/00; B29B7/002; B29B7/005; B29B7/02; B29B7/06; B29B7/10; B29B7/12; B29B7/16; B29B7/22; B29B7/28; B29B7/80; B29B7/82; B29B7/823; B29B9/00; B29B9/12; B29B9/16; B29B2009/161; B29C; B29C48/00; B29C48/03; B29C48/05; B29C48/06; B29K; B29K2023/00; B29K2105/00; B29K2105/0005; B29K2105/0014; B29K2105/24; C08J2323/00; C08J2323/02
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) | 1976-05-28 | 1976-11-27 | 1977-05-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-05-28 | 1980-11-27 | 1981-05-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-05-28 | 1984-11-27 | 1985-05-29 | $7700.00 | Window Closed / Lapsed |