US3640733A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Edible substrates colored with monoazo dyestuffs
Assignee: Honeywell International Inc
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Filing: 1969-12-10
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Granted: 1972-02-08
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Expires: 1989-12-10
Abstract
Abstract Monoazo compounds of this invention, which may be termed 1-(( 2alkoxy-5-alkyl-4-sulfophenyl) azo)-2-naphthol-6-sulfonic acids and physiologically acceptable salts thereof are used as dyestuffs for various substrates and especially for edible substrates, such as maraschino cherries.
Inventors
- 👤 Gustay E Rast
- 👤 Russell I Steiner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 16:39
CPC Classifications
A; A23; A23L; A23L5/00; A23L5/40; A23L5/42; A23L5/47
Claims Analysis
Total Claims: 9
Claim 1
Independent Claim
14 words
A composition as described in claim 1 wherein the edible substrate is a fruit.
Claim 2
Dependent Claim
14 words
A composition as described in claim 2 wherein the fruit is a Maraschino cherry.
Claim 3
Dependent Claim
16 words
A composition as described in claim 1 wherein R is methyl and R1 is lower alkyl.
Claim 4
Dependent Claim
16 words
A composition as described in claim 1 wherein R is lower alkyl and R1 is methyl.
Claim 5
Dependent Claim
14 words
A composition as described in claim 1 wherein R and R1 are each methyl.
Claim 6
Dependent Claim
11 words
A composition as described in claim 6 wherein M is sodium.
Claim 7
Dependent Claim
15 words
A composition as described in claim 4 wherein the edible substrate is a Maraschino cherry.
Claim 8
Dependent Claim
15 words
A composition as described in claim 5 wherein the edible substrate is a Maraschino cherry.
Claim 9
Dependent Claim
15 words
A composition as described in claim 6 wherein the edible substrate is a Maraschino cherry.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1975-02-07 | 1975-08-09 | 1976-02-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-02-07 | 1979-08-09 | 1980-02-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-02-07 | 1983-08-09 | 1984-02-08 | $7700.00 | Window Closed / Lapsed |