Patent US5754056A successfully refreshed from Google Patents.
Patent US3173950A successfully refreshed from Google Patents.
US3173950A
Expired / Lapsed
US
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Preparation of alicyclic amines
Assignee: BOOTS HERCULES AGROCHEMICALS Co A PARTNERSHIP OF
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Filing: 1962-08-14
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Granted: 1965-03-16
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Expires: 1982-08-14
Abstract
No abstract record available.
Inventors
- 👤 George A Buntin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 05:40
CPC Classifications
C; C07; C07C; C07C209/00; C07C209/30; C07C209/42; C07C2602/00; C07C2602/36; C07C2602/40
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
9 words
THE METHOD OF PREPARING AN AMINE OF THE FORMULA
Claim 2
Independent Claim
9 words
THE METHOD OF PREPARING AN AMINE OF THE FORMULA
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-03-15 | 1968-09-14 | 1969-03-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-03-15 | 1972-09-14 | 1973-03-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-03-15 | 1976-09-14 | 1977-03-16 | $7700.00 | Window Closed / Lapsed |