Patent US2495285A successfully refreshed from Google Patents.
US2495285A
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Wax and polymeric polyketone compositions and articles coated therewith
Assignee: EIDP Inc
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Filing: 1949-03-25
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Granted: 1950-01-24
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Expires: 1969-03-25
Abstract
No abstract record available.
Inventors
- 👤 Harvey H Hoehn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 09:22
CPC Classifications
C; C09; C09D; C09D191/00; C09D191/06; C08; C08L; C08L23/00; C08L23/02; C08L23/04; C08L23/08; C08L23/0846; C09D123/00; C09D123/02; C09D123/04; C09D123/08; C09D123/0846; C09D173/00; D; D21; D21H; D21H19/00; D21H19/10; D21H19/14; D21H19/18; D21H19/20; D21H19/22; D21H19/24; C08L91/00; Y; Y10; Y10S; Y10S524/00; Y10S524/914
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
47 words
A COMPOSITION COMPRISING FROM 1 TO 99 PARTS BY WEIGHT OF A WAX AND FROM 99 TO 1 PARTS BY WEIGHT OF A POLYMERIC POLYKETONE OBTAINED BY POLYMERIZING ETHYLENE WITH CARBON MONOXIDE IN WHICH THE MOLE RATIO OF ETHYLENE TO CARBON MONOXIDE IS FROM 150:1 TO 5:1.
Claim 2
Dependent Claim
47 words
A COMPOSITION COMPRISING FROM 1 TO 99 PARTS BY WEIGHT OF A WAX AND FROM 99 TO 1 PARTS BY WEIGHT OF A POLYMERIC POLYKETONE OBTAINED BY POLYMERIZING ETHYLENE WITH CARBON MONOXIDE IN WHICH THE MOLE RATIO OF ETHYLENE TO CARBON MONOXIDE IS FROM 150:1 TO 5:1.
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) | 1953-01-23 | 1953-07-25 | 1954-01-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-01-23 | 1957-07-25 | 1958-01-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-01-23 | 1961-07-25 | 1962-01-24 | $7700.00 | Window Closed / Lapsed |