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Patent US3317609A successfully refreshed from Google Patents.
US3317609A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Epoxide addition reaction with amino alcohol
Assignee: Texaco Inc
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Filing: 1964-05-06
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Granted: 1967-05-02
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Expires: 1984-05-06
Abstract
No abstract record available.
Inventors
- 👤 Sherman D Lesesne
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 22:11
CPC Classifications
C; C07; C07C; C07C217/00; C07C217/02; C07C217/04; C07C217/28; C07C213/00; C07C213/04; C07C2601/00; C07C2601/12; C07C2601/14
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
27 words
A METHOD FOR THE PREFERENTIAL REACTION OF AN EPOXIDE WITH AN ALCOHOLIC HYDROXYL GROUP OF A SECONDARY AMINOALCOHOL CONTAINING A REACTIVE AMINO HYDROGEN AND HAVING THE FORMULA
Claim 2
Independent Claim
27 words
A METHOD FOR THE PREFERENTIAL REACTION OF AN EPOXIDE WITH AN ALCOHOLIC HYDROXYL GROUP OF A SECONDARY AMINOALCOHOL CONTAINING A REACTIVE AMINO HYDROGEN AND HAVING THE FORMULA
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-05-01 | 1970-10-31 | 1971-05-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-05-01 | 1974-10-31 | 1975-05-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-05-01 | 1978-10-31 | 1979-05-02 | $7700.00 | Window Closed / Lapsed |