US3493606A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Trans-isomers of 1-(loweralkylamino-alkoxy) - phenyl - 1,2 - diphenyl-2-haloethylenes and the salts thereof
Assignee: Imperial Chemical Industries Ltd
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Filing: 1967-05-22
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Granted: 1970-02-03
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Expires: 1987-05-22
Abstract
No abstract record available.
Inventors
- 👤 Dora Nellie Richardson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 02:40
CPC Classifications
A; A61; A61K; A61K31/00; A61K31/13; A61K31/135; C; C07; C07C; C07C43/00; C07C43/02; C07C43/03; C07C43/14; Y; Y02; Y02P; Y02P20/00; Y02P20/50; Y02P20/55
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
NL100243C
Cited
DE1155436B
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-02-02 | 1973-08-04 | 1974-02-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-02-02 | 1977-08-04 | 1978-02-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-02-02 | 1981-08-04 | 1982-02-03 | $7700.00 | Window Closed / Lapsed |