Patent US3201381A successfully refreshed from Google Patents.
US3201381A
Expired / Lapsed
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Emulsifiable polyethylene waxes and process of preparation
Assignee: Eastman Kodak Co
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Filing: 1962-06-20
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Granted: 1965-08-17
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Expires: 1982-06-20
Abstract
No abstract record available.
Inventors
- 👤 Jr Hugh J Hagemeyer
- 👤 Jr Raymond L Etter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 14:04
CPC Classifications
C; C08; C08F; C08F8/00; C08F8/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
61 words
THE METHOD WHICH COMPRISES OXIDIZING A NONEMULSIFIABLE POLYETHYLENE WAX WITH AN OXYGEN-CONTAINING GAS AT A TEMPERATURE IN THE RANGE OF ABOUT 100* TO ABOUT 160*C. AND A PRESSURE UP TO 1,000 P.S.I.G., IN THE PRESENCE OF AN ALIPHATIC MONOCARBOXYLIC ACID CONTAINING 2-20 CARBON ATOMS, UNTIL THE ACID NUMBER OF THE WAX IS IN THE RANGE OF ABOUT 4 TO ABOUT 25.
Claim 2
Independent Claim
61 words
THE METHOD WHICH COMPRISES OXIDIZING A NONEMULSIFIABLE POLYETHYLENE WAX WITH AN OXYGEN-CONTAINING GAS AT A TEMPERATURE IN THE RANGE OF ABOUT 100* TO ABOUT 160*C. AND A PRESSURE UP TO 1,000 P.S.I.G., IN THE PRESENCE OF AN ALIPHATIC MONOCARBOXYLIC ACID CONTAINING 2-20 CARBON ATOMS, UNTIL THE ACID NUMBER OF THE WAX IS IN THE RANGE OF ABOUT 4 TO ABOUT 25.
References Cited (Backward Citations)
US2766214A
Cited
US3060163A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-08-16 | 1969-02-15 | 1969-08-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-08-16 | 1973-02-15 | 1973-08-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-08-16 | 1977-02-15 | 1977-08-17 | $7700.00 | Window Closed / Lapsed |