US3296194A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stabilization of acylated or alkylated polyoxymethylenes with tertiary alkanol amineesters
Assignee: Bayer AG
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Filing: 1960-05-24
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Granted: 1967-01-03
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Expires: 1980-05-24
Abstract
No abstract record available.
Inventors
- 👤 Wagner Kuno
- 👤 Scheurlen Hans
- 👤 Kritzler Helmuth
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 03:22
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/16; C08K5/29; C08K5/0008; C08K5/005; C08K5/17; C08K5/36; C08K5/39
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
35 words
A COMPOSITION COMPRISING A THERMALLY STABILIZED NORMALLY SOLID, SYNTHETIC HIGH MOLECULAR WEIGHT POLYOXYMETHYLENE SELECTED FROM THE GROUP CONSISTING OF ACYLATED AND ALKYLATED POLYOXYLENES AND STABILIZING AMOUNT OF A MONOCARBOXYLIC ACID ESTER OF A TERITIARY ETHANOLAMINE.
Claim 2
Dependent Claim
35 words
A COMPOSITION COMPRISING A THERMALLY STABILIZED NORMALLY SOLID, SYNTHETIC HIGH MOLECULAR WEIGHT POLYOXYMETHYLENE SELECTED FROM THE GROUP CONSISTING OF ACYLATED AND ALKYLATED POLYOXYLENES AND STABILIZING AMOUNT OF A MONOCARBOXYLIC ACID ESTER OF A TERITIARY ETHANOLAMINE.
References Cited (Backward Citations)
US2768994A
Cited
GB748856A
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US2810708A
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US2998409A
Cited
FR1179857A
Cited
US2966476A
Cited
US2920059A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-01-02 | 1970-07-04 | 1971-01-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-01-02 | 1974-07-04 | 1975-01-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-01-02 | 1978-07-04 | 1979-01-03 | $7700.00 | Window Closed / Lapsed |