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US3046606A
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Process for producing solid non-porous pellets from polyolefins and pellets produced thereby
Assignee: Eastman Kodak Co
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Filing: 1959-07-29
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Granted: 1962-07-31
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Expires: 1979-07-29
Abstract
No abstract record available.
Inventors
- 👤 William D Carter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 16:52
CPC Classifications
B; B01; B01J; B01J2/00; B01J2/20; B29; B29B; B29B9/00; B29B9/02; B29B9/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
81 words
THE PROCESS FOR PREPARING SOLID, NON-POROUS PELLETS OF THERMOPLASTIC MATERIAL WHICH COMPRISES EXTRUDING A ROD OF HOT, THERMOPLASTIC MATERIAL, FLOATING THE ROD ON THE SURFACE OF A COOLING LIQUID INERT THERETO TO CAUSE RAPID COOLING OF THE SURFACE OF THE ROD CONTACTING THE LIQUID TO A RIGID STATE WITH SLOWER COOLING OF THE REMAINING PORTION OF THE SURFACE OF THE ROD AND CONCOMMITANT CONTRACTION OF THE UPPER PORTION OF THE ROD, AND CUTTING THE ROD INTO SHORT LENGTHS TO FORM PELLETS.
Claim 2
Dependent Claim
81 words
THE PROCESS FOR PREPARING SOLID, NON-POROUS PELLETS OF THERMOPLASTIC MATERIAL WHICH COMPRISES EXTRUDING A ROD OF HOT, THERMOPLASTIC MATERIAL, FLOATING THE ROD ON THE SURFACE OF A COOLING LIQUID INERT THERETO TO CAUSE RAPID COOLING OF THE SURFACE OF THE ROD CONTACTING THE LIQUID TO A RIGID STATE WITH SLOWER COOLING OF THE REMAINING PORTION OF THE SURFACE OF THE ROD AND CONCOMMITANT CONTRACTION OF THE UPPER PORTION OF THE ROD, AND CUTTING THE ROD INTO SHORT LENGTHS TO FORM PELLETS.
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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) | 1965-07-30 | 1966-01-29 | 1966-07-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-07-30 | 1970-01-29 | 1970-07-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-07-30 | 1974-01-29 | 1974-07-31 | $7700.00 | Window Closed / Lapsed |