Patent US2830008A successfully refreshed from Google Patents.
US2830008A
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Amines
Assignee: May and Baker Ltd
•
Filing: 1956-03-26
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Granted: 1958-04-08
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Expires: 1976-03-26
Abstract
No abstract record available.
Inventors
- 👤 Barber Harry James
- 👤 Collins Raymond Frederick
- 👤 Davis Michael
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 22:47
CPC Classifications
C; C07; C07D; C07D207/00; C07D207/02; C07D207/30; C07D207/34; C07D207/36; C07D207/40; C07D207/404; C07D209/00; C07D209/02; C07D209/44; C07D209/48; C07D213/00; C07D213/02; C07D213/04; C07D213/60; C07D213/78; C07D213/81; C07D213/82; C07D217/00; C07D217/22; C07D217/24; C07D265/00; C07D265/04; C07D265/12; C07D265/14; C07D265/24; C07D265/26; C07D307/00; C07D307/02; C07D307/34; C07D307/56; C07D307/68; C07D333/00; C07D333/02; C07D333/04; C07D333/26; C07D333/38
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
14 words
A COMPOUND SELECTED FROM THE CLASS CONSISTING OF: (1) COMPOUNDS OF THE GENERAL FORMULA:
Claim 2
Dependent Claim
14 words
A COMPOUND SELECTED FROM THE CLASS CONSISTING OF: (1) COMPOUNDS OF THE GENERAL FORMULA:
References Cited (Backward Citations)
US2552241A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-04-07 | 1961-10-07 | 1962-04-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-04-07 | 1965-10-07 | 1966-04-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-04-07 | 1969-10-07 | 1970-04-08 | $7700.00 | Window Closed / Lapsed |