US4148926A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dialkyl amino ethyl amides as anti-ripening agents
Assignee: Zeneca Inc
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Filing: 1977-10-04
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Granted: 1979-04-10
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Expires: 1997-10-04
Abstract
Abstract Compounds of the formula <IMAGE> in which R is alkyl, phenoxymethyl, furanyl, norbornenyl, phenethyl, hydroxy alkyl, R1 and R2 are alkyl or their amine salts and their use in retarding the ripening of picked fruits, vegetables and other merchantable materials of plant origin.
Inventors
- 👤 Don R. Baker
- 👤 Daniel L. Hyzak
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 07:51
CPC Classifications
A; A23; A23B; A23B7/00; A23B7/14; C; C07; C07D; C07D307/00; C07D307/02; C07D307/34; C07D307/56; C07D307/68
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
95 words
A method for retarding the ripening of picked fruits, vegetables and other merchantable materials of plant origin comprising contacting said fruits, vegetables and other merchantable material of plant origin with an amount effective to retard ripening of a compound having the structural formula ##STR14## in which R is alkyl having 1 to 12 carbon atoms, phenoxymethyl, furanyl, norbornenyl, phenethyl, hydroxy alkyl having 1 to 4 carbon atoms and R 1 and R 2 are independently alkyl having 1 to 4 carbon atoms and their salts wherein the anion is chloride, bromide, acetate, sulfate or phosphate.
Claim 2
Independent Claim
95 words
A method for retarding the ripening of picked fruits, vegetables and other merchantable materials of plant origin comprising contacting said fruits, vegetables and other merchantable material of plant origin with an amount effective to retard ripening of a compound having the structural formula ##STR14## in which R is alkyl having 1 to 12 carbon atoms, phenoxymethyl, furanyl, norbornenyl, phenethyl, hydroxy alkyl having 1 to 4 carbon atoms and R 1 and R 2 are independently alkyl having 1 to 4 carbon atoms and their salts wherein the anion is chloride, bromide, acetate, sulfate or phosphate.
Claim 3
Dependent Claim
32 words
A method of claim 1 wherein R is alkyl having 4 to 10 carbon atoms, phenoxymethyl, 2-furanyl, 5-norbornen-2-yl, phenethyl, 2-hydroxypropyl and R 1 and R 2 are both methyl or both ethyl.
Claim 4
Dependent Claim
18 words
A method of claim 1 wherein R is n-decyl, R 1 is ethyl and R 2 is ethyl.
References Cited (Backward Citations)
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FR1359603A
Cited
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US3370962A
Cited
US3469965A
Cited
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US4021224A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1982-04-09 | 1982-10-09 | 1983-04-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1986-04-09 | 1986-10-09 | 1987-04-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1990-04-09 | 1990-10-09 | 1991-04-10 | $7700.00 | Window Closed / Lapsed |