Patent US3634145A successfully refreshed from Google Patents.
Patent US3645932A successfully refreshed from Google Patents.
US3645932A
Expired / Lapsed
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Nucleation of high molecular weight polyamides
Assignee: General Mills Inc
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Filing: 1969-05-22
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Granted: 1972-02-29
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Expires: 1989-05-22
Abstract
Abstract RELATES TO A PROCESS OF DEVELOPING RAPIDLY THE ULTIMATE CRYSTALLINE CHARACTERISTICS OF CERTAIN OLYAMIDE RESINS DERIVED FROM POLYMERIC FAT ACIDS BY THE INCORPORATION THEREIN OF A VARIETY OF NYLON AND OTHER POLYAMIDE RESINS, POLYETHYLENE, OLYPROPYLENE, POLYCARBONATES AND POLYETHYLENE ACRYLIC ACID COPOLYMER IONOMERS.
Inventors
- 👤 Stuart A Harrison
- 👤 Kenneth B Stokes
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 17:03
CPC Classifications
C; C08; C08L; C08L77/00; C08L77/06; C08L77/08
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) | 1975-02-28 | 1975-08-30 | 1976-02-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-02-28 | 1979-08-30 | 1980-02-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-02-28 | 1983-08-30 | 1984-02-29 | $7700.00 | Window Closed / Lapsed |