US3865748A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cinnamyl phenol antimicrobial agents
Assignee: United States Department of Agriculture
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Filing: 1973-04-17
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Granted: 1975-02-11
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Expires: 1993-04-17
Abstract
Abstract Substances which are subject to microbial spoilage are preserved by addition of a cinnamyl phenol, e.g., 2-cinnamyl-phenol, 4cinnamyl phenol, 2-methoxy-4-cinnamyl-phenol, 2-cinnamyl-5methoxy-quinol, etc.
Inventors
- 👤 Leonard Jurd
- 👤 Jr A Douglas King
- 👤 William L Stanley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 09:10
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
Total Claims: 2
Claim 1
Independent Claim
29 words
A COMPOSITION OF MATTER COMPRISING A. A MAJOR PROPORTION OF A SUBSTRATE NORMALLY SUBJECT TO MICROBIAL SPOILAGE, AND B. A MINOR PROPORTION, SUFFICIENT TO INHIBIT MICROBIAL GROWTH, OF 2-CINNAMYL-5-METHOXYQUINOL.
Claim 2
Dependent Claim
29 words
A COMPOSITION OF MATTER COMPRISING A. A MAJOR PROPORTION OF A SUBSTRATE NORMALLY SUBJECT TO MICROBIAL SPOILAGE, AND B. A MINOR PROPORTION, SUFFICIENT TO INHIBIT MICROBIAL GROWTH, OF 2-CINNAMYL-5-METHOXYQUINOL.
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) | 1978-02-10 | 1978-08-12 | 1979-02-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-02-10 | 1982-08-12 | 1983-02-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-02-10 | 1986-08-12 | 1987-02-11 | $7700.00 | Window Closed / Lapsed |