Patent US3745142A successfully refreshed from Google Patents.
US3745142A
Expired / Lapsed
US
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Process for preparing highly filled polyolefins
Assignee: Hercules LLC
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Filing: 1971-07-29
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Granted: 1973-07-10
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Expires: 1991-07-29
Abstract
Abstract A PROCESS FOR PREPARING OLEFIN POLYMER COMPOSITIONS CONTAINING VERY HIGH LOADINGS OF INORGANIC FILLER MATERIAL WHICH COMPRISES HAVING THE OLEFIN POLYMER INITIALLY PRESENT IN THE FORM OF TINY SUBMICRON SIZE PARTICLES. A UNIFORM DISTRIBUTION OF POLYMER AND FILLER IS EASILY ACHIEVED WITH THIS TECHNIQUE.
Inventors
- 👤 B Mahlman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 10:57
CPC Classifications
C; C08; C08K; C08K3/00; C08K3/01; C08K3/013
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) | 1976-07-09 | 1977-01-08 | 1977-07-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-07-09 | 1981-01-08 | 1981-07-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-07-09 | 1985-01-08 | 1985-07-10 | $7700.00 | Window Closed / Lapsed |