Patent US3037057A successfully refreshed from Google Patents.
US3037057A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Production of aromatic aminoalcohols
Assignee: Union Carbide Corp
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Filing: 1959-01-23
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Granted: 1962-05-29
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Expires: 1979-01-23
Abstract
No abstract record available.
Inventors
- 👤 Samuel W Tinsley
- 👤 John T Fitzpatrick
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 19:48
CPC Classifications
C; C07; C07C; C07C213/00; C07C213/02; C07C201/00; C07C201/06; C07C201/14; C07C217/00; C07C217/78; C07C217/80; C07C217/82; C07C217/84
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
6 words
ORTHO, PARA-DIAMINOPHENOXYALKYL ALCOHOLS OF 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) | 1965-05-28 | 1965-11-27 | 1966-05-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-05-28 | 1969-11-27 | 1970-05-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-05-28 | 1973-11-27 | 1974-05-29 | $7700.00 | Window Closed / Lapsed |