Patent US3297784A successfully refreshed from Google Patents.
US3297784A
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US
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Alpha olefin polymer modified thermoplastic polyhydroxyether compositions
Assignee: Union Carbide Corp
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Filing: 1964-12-17
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Granted: 1967-01-10
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Expires: 1984-12-17
Abstract
No abstract record available.
Inventors
- 👤 Robert H Snedeker
- 👤 George H Potter
- 👤 Jr Clyde J Whitworth
- 👤 Nathan L Zutty
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 08:03
CPC Classifications
C; C08; C08L; C08L71/00; Y; Y10; Y10S; Y10S525/00; Y10S525/93
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
23 words
THERMOPLASTIC POLYHYDROXYETHER COMPOSITIONS HAVING ENHANCED NOTCHED IZOD IMPACT STRENGTH, IMPROVED CRITICAL THICKNESS, AND STRESS-CRACK RESISTANCE COMPRISING: (A) THERMOPLASTIC POLYHYDROXYETHER HAVING THE GENERAL FORMULA:
Claim 2
Dependent Claim
23 words
THERMOPLASTIC POLYHYDROXYETHER COMPOSITIONS HAVING ENHANCED NOTCHED IZOD IMPACT STRENGTH, IMPROVED CRITICAL THICKNESS, AND STRESS-CRACK RESISTANCE COMPRISING: (A) THERMOPLASTIC POLYHYDROXYETHER HAVING THE GENERAL FORMULA:
References Cited (Backward Citations)
US3262988A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-01-09 | 1970-07-11 | 1971-01-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-01-09 | 1974-07-11 | 1975-01-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-01-09 | 1978-07-11 | 1979-01-10 | $7700.00 | Window Closed / Lapsed |