US3787353A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stabilized polyoxymethylene compositions
Assignee: Ube Corp
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Filing: 1971-06-01
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Granted: 1974-01-22
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Expires: 1991-06-01
Abstract
Abstract A STABILIZED POLYOXYMETHYLENE COMPOSITION WHICH COMPRISES POLYOXYMETHYLENE AND 0.01 TO 10% BY WEIGHT TO THE POLYOXYMETHYLENE OF A COMPOUND OF THE FORMULA, R(NHCOOH2X)N IN WHICH R IS A HYDROCARBON GROUP OF 2 TO 20 CARBONS, OR A HYDROCARBON GROUP OF 2 TO 40 CARBONS CONTAINING OXYGEN OR SULFUR AS AN INTERMEDIARY ATOM, X IS CYANO OR CARBAMOYL GROUP, AND N IS AN INTEGER OF 2 TO 6.
Inventors
- 👤 T Inaike
- 👤 K Kuroda
- 👤 T Ishii
- 👤 T Yoshikawa
- 👤 K Kido
- 👤 K Tokunaga
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 00:19
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/16; C08K5/20; C08K5/315
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) | 1977-01-21 | 1977-07-23 | 1978-01-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-01-21 | 1981-07-23 | 1982-01-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-01-21 | 1985-07-23 | 1986-01-22 | $7700.00 | Window Closed / Lapsed |