US3400087A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Finely divided calcite in combination with a fatty alcohol as nucleating agents for nylon polyamides
Assignee: Gulf Oil Corp
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Filing: 1965-09-20
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Granted: 1968-09-03
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Expires: 1985-09-20
Abstract
No abstract record available.
Inventors
- 👤 Howard E Robb
- 👤 Jr George D Newman
- 👤 Duoyne L Mccullough
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 21:27
CPC Classifications
C; C08; C08K; C08K3/00; C08K3/18; C08K3/24; C08K3/26; A; A47; A47L; A47L9/00; A47L9/24; B; B29; B29C; B29C53/00; B29C53/22; B29C53/30; B29C53/305; B29C53/56; B29C53/58; B29C53/581; B29C53/80; B29C53/84; B29C53/845; B29D; B29D23/00; B29D23/001; B29D23/18; C01; C01B; C01B11/00; C01B11/02; C01B11/022; C01B11/023; C08K5/00; C08K5/04; C08K5/05; F; F16; F16L; F16L11/00; F16L11/04; F16L11/11; F16L11/115; B29K; B29K2021/00; B29K2027/00; B29K2027/06; B29K2105/00; B29K2105/06; B29K2227/00; B29K2227/06; B29L; B29L2023/00; B29L2023/005
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3052646A
Cited
GB846907A
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US3008908A
Cited
US3080345A
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US3009900A
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US3214414A
Cited
GB969991A
Cited
BE654794A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-09-03 | 1972-03-04 | 1972-09-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-09-03 | 1976-03-04 | 1976-09-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-09-03 | 1980-03-04 | 1980-09-03 | $7700.00 | Window Closed / Lapsed |