US3227703A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for deodorizing thermally degraded, unoxidized polyolefins
Assignee: Eastman Kodak Co
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Filing: 1963-01-28
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Granted: 1966-01-04
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Expires: 1983-01-28
Abstract
No abstract record available.
Inventors
- 👤 Jr Preston S Copenhaver
- 👤 Jr Raymond L Etter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 11:30
CPC Classifications
C; C08; C08J; C08J3/00; C08F; C08F8/00; C08F8/06; C08J2323/00; C08J2323/26
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
70 words
A PROCESS FOR PRODUCING A THERMALLY DEGRADED POLYOLEFIN SUBSTANTIALLY FREE OF ODORIFEROUS MATERIALS WHICH COMPRISES CONTACTING A THERMALLY DEGRADED UNOXIDIZED POLYOLEFIN CONTAINING A SUBSTANTIAL AMOUNT OF ODORIFEROUS MATERIAL IN A SUBSTANTIALLY DISCRETE FORM WITH AN INERT GAS STREAM AT A TEMPERATURE OF AT LEAST 50*C. AND BELOW THE SOFTENING POINT OF SAID POLYOLEFIN FOR A PERIOD OF TIME SUFFICIENT TO REMOVE SUBSTANTIALLY ALL OF SAID ODORIFEROUS MATERIAL FROM SAID POLYOLEFIN.
Claim 2
Dependent Claim
70 words
A PROCESS FOR PRODUCING A THERMALLY DEGRADED POLYOLEFIN SUBSTANTIALLY FREE OF ODORIFEROUS MATERIALS WHICH COMPRISES CONTACTING A THERMALLY DEGRADED UNOXIDIZED POLYOLEFIN CONTAINING A SUBSTANTIAL AMOUNT OF ODORIFEROUS MATERIAL IN A SUBSTANTIALLY DISCRETE FORM WITH AN INERT GAS STREAM AT A TEMPERATURE OF AT LEAST 50*C. AND BELOW THE SOFTENING POINT OF SAID POLYOLEFIN FOR A PERIOD OF TIME SUFFICIENT TO REMOVE SUBSTANTIALLY ALL OF SAID ODORIFEROUS MATERIAL FROM SAID POLYOLEFIN.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-01-03 | 1969-07-05 | 1970-01-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-01-03 | 1973-07-05 | 1974-01-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-01-03 | 1977-07-05 | 1978-01-04 | $7700.00 | Window Closed / Lapsed |