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Patent US3354178A successfully refreshed from Google Patents.
US3354178A
Expired / Lapsed
US
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Nu-(4-amino-2-butynyl)-nu-alkylcarboxamides
Assignee: STWB Inc
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Filing: 1965-04-09
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Granted: 1967-11-21
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Expires: 1985-04-09
Abstract
No abstract record available.
Inventors
- 👤 William B Dickinson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 05:31
CPC Classifications
C; C07; C07D; C07D207/00; C07D207/02; C07D207/18; C07D207/22; C07D207/24; C07D207/26; C07D207/263; C07D207/27; C07D211/00; C07D211/04; C07D211/68; C07D211/72; C07D211/74; C07D211/76; C07D213/00; C07D213/02; C07D213/04; C07D213/60; C07D213/78; C07D213/81; C07D213/82; C07D263/00; C07D263/02; C07D263/08; C07D263/16; C07D263/18; C07D263/20; C07D263/22; C07D295/00; C07D295/04; C07D295/12; C07D295/125
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
44 words
A COMPOUND OF THE FORMULA R-CO-N(-LOWER-ALKYL)-CH2-C*C-CH2-N=B WHEREIN R IS SELECTED FROM THE GROUP CONSISTING OF H AND LOWER-ALKYL AND N=B IS A BASIC TERTIARY AMINO RADICAL SELECTED FROM THE GROUP CONSISTING OF DI(LOWER-ALKYL) AMINO, N-LOWER-ALKYL-N-LOWER-ALKENYLAMINO, DI(LOWERALKENYL)AMINO, N-LOWER-N-CYCLOALKYLAMINO, DI(CYCLOALKYL)AMINO, N-(PHENYL-LOWER-ALKYL)-N-LOWER-ALKYLAMINO, PYRROLIDINO, PIPERIDINO, MORPHOLINO AND THIAMORPHOLINO.
Claim 2
Dependent Claim
44 words
A COMPOUND OF THE FORMULA R-CO-N(-LOWER-ALKYL)-CH2-C*C-CH2-N=B WHEREIN R IS SELECTED FROM THE GROUP CONSISTING OF H AND LOWER-ALKYL AND N=B IS A BASIC TERTIARY AMINO RADICAL SELECTED FROM THE GROUP CONSISTING OF DI(LOWER-ALKYL) AMINO, N-LOWER-ALKYL-N-LOWER-ALKENYLAMINO, DI(LOWERALKENYL)AMINO, N-LOWER-N-CYCLOALKYLAMINO, DI(CYCLOALKYL)AMINO, N-(PHENYL-LOWER-ALKYL)-N-LOWER-ALKYLAMINO, PYRROLIDINO, PIPERIDINO, MORPHOLINO AND THIAMORPHOLINO.
Claim 3
Dependent Claim
1 words
N-METHYL-N-(4-PYRROLIDINO-2-BUTYNYL)-ACETAMIDE.
Claim 4
Dependent Claim
1 words
N-METHYL-N-(4-PYRROLIDINO-2-BUTYNYL)-ACETAMIDE.
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) | 1970-11-20 | 1971-05-22 | 1971-11-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-11-20 | 1975-05-22 | 1975-11-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-11-20 | 1979-05-22 | 1979-11-21 | $7700.00 | Window Closed / Lapsed |