Patent US3409626A successfully refreshed from Google Patents.
US3409626A
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US
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Indolylethyl pyridinium quaternary ammonium compounds
Assignee: NEISLER LAB Inc
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Filing: 1963-09-17
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Granted: 1968-11-05
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Expires: 1983-09-17
Abstract
No abstract record available.
Inventors
- 👤 Cavallito Chester John
- 👤 Gray Allan Poe
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 17:26
CPC Classifications
C; C07; C07D; C07D213/00; C07D213/02; C07D213/04; C07D213/06; C07D213/16; C07D211/00; C07D211/04; C07D211/06; C07D211/08; C07D211/10; C07D211/14; C07D211/18; C07D211/20; C07D211/22; C07D213/20; C07D213/22; C07D213/24; C07D213/26; C07D213/28; C07D213/30; C07D213/44; C07D213/46; C07D213/50; C07D213/60; C07D213/78; C07D213/79; C07D213/81; C07D213/82; C07D221/00; C07D221/02; C07D221/20; C07D295/00; C07D295/04; C07D295/12; C07D295/125; C07D295/13; C07D401/00; C07D401/02; C07D401/04; C07D401/06; C07D401/14; C07D405/00; C07D405/02; C07D405/06; C07D409/00; C07D409/02; C07D409/06; C07D417/00; C07D417/02; C07D417/06; C07D417/12; C07D471/00; C07D471/02; C07D471/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
6 words
1-(4-(1-METHYL-3-INDOLYLETHYL)PYRIDINIUM) - 3 - (TRIMETHYLAMMONIUM)-PROPANE DIBROMIDE.
Claim 2
Dependent Claim
6 words
1-(4-(1-METHYL-3-INDOLYLETHYL)PYRIDINIUM) - 3 - (TRIMETHYLAMMONIUM)-PROPANE DIBROMIDE.
References Cited (Backward Citations)
US2617806A
Cited
US3084167A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-11-05 | 1972-05-06 | 1972-11-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-11-05 | 1976-05-06 | 1976-11-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-11-05 | 1980-05-06 | 1980-11-05 | $7700.00 | Window Closed / Lapsed |