US3775540A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cinnamyl phenols useful as antimicrobial agents
Assignee: United States Department of Agriculture
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Filing: 1972-10-31
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Granted: 1973-11-27
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Expires: 1992-10-31
Abstract
Abstract SUBSTANCES WHICH ARE SUBJECT TO MICROBIAL SPOILAGE ARE PRESERVED BY ADDITION OF A CINNAMYL PHENOL, E.G., 2-CINNAMY-PHENOL, 4-CINNAMYL-PHENOL, 2-METHOXY-4-CINNAMYLPHENOL, 2-CINNAMYL-5-METHOXY-QUINOL, ETC.
Inventors
- 👤 L Jurd
- 👤 A King
- 👤 W Stanley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 18:13
CPC Classifications
A; A23; A23B; A23B2/00; A23B2/70; A23B2/725; A23B2/729; A23B2/742; A23B2/746; C; C07; C07C; C07C39/00; C07C39/205; C07C39/21
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) | 1976-11-26 | 1977-05-28 | 1977-11-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-11-26 | 1981-05-28 | 1981-11-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-11-26 | 1985-05-28 | 1985-11-27 | $7700.00 | Window Closed / Lapsed |