US3716543A
Expired / Lapsed
US
⏱️ 0.0 years remaining
C10-c13 hydrocarbyl substituted pyridine compounds
Assignee: International Flavors and Fragrances Inc
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Filing: 1970-07-28
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Granted: 1973-02-13
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Expires: 1990-07-28
Abstract
Abstract NOVEL NITROGEN HETEROCYCLIC COMPOUNDS DEFINED BY THE STRUCTURE: 2-(A1),4-(A2),(R1)M-PYRIDINE WHEREIN R1 REPRESENTS C1-C3 LOWER ALKYL AND M IS A INTEGER RANGING FROM ZERO UP TO 2; WHEREIN ONE A1 OR A2 IS A MOIETY SELECTED FROM THE GROUP CONSISTING OF CYCLODODECEN - 3 - YL-METHYL, 2-PINEN-10-YL-METHYL, 4,.8DIMETHYL - 3.7 - HONADIENYL, 3-METHYL - 6 - I-PROPYL-2CYCLOHEXENYL-METHYL, AND 1,4.8-TRIMETHYL -3.7 - NONADIENL-YL: AND THE OTHER OF A1 OR A2 IS R1 OR HYDROGEN.
Inventors
- 👤 J Hall
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 23:41
CPC Classifications
C; C07; C07D; C07D213/00; C07D213/02; C07D213/04; C07D213/06; C07D213/16; A; A23; A23L; A23L27/00; A23L27/20; A23L27/205; A23L27/2054; A24; A24B; A24B15/00; A24B15/18; A24B15/28; A24B15/30; A24B15/36; A24B15/38; C11; C11B; C11B9/00; C11B9/0069; C11B9/0092; Y; Y10; Y10T; Y10T70/00; Y10T70/50; Y10T70/5889; Y10T70/5903
Claims Analysis
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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) | 1976-02-13 | 1976-08-14 | 1977-02-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-02-13 | 1980-08-14 | 1981-02-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-02-13 | 1984-08-14 | 1985-02-13 | $7700.00 | Window Closed / Lapsed |