US3078271A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Certain oxyalkylation products derived in turn from reactive nitrogen-containing compounds and polyepoxides, and process for making same
Assignee: Baker Petrolite LLC
•
Filing: 1956-12-06
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Granted: 1963-02-19
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Expires: 1976-12-06
Abstract
No abstract record available.
Inventors
- 👤 Groote Melvin De
- 👤 Shen Kwan-Ting
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 23:45
CPC Classifications
C; C10; C10G; C10G33/00; C10G33/04; B; B03; B03D; B03D1/00; B03D1/001; B03D1/004; B03D1/01; Y; Y10; Y10S; Y10S507/00; Y10S507/927; Y10S507/928; Y10S507/935; Y10S507/936; Y10S516/00; Y10S516/01; Y10S516/07
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2423643A
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US2839497A
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US2839502A
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US2839503A
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US2828276A
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US2828282A
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US2828277A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-02-18 | 1966-08-20 | 1967-02-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-02-18 | 1970-08-20 | 1971-02-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-02-18 | 1974-08-20 | 1975-02-19 | $7700.00 | Window Closed / Lapsed |