Patent US2866819A successfully refreshed from Google Patents.
US2866819A
Expired / Lapsed
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Stabilization of salts of sorbic acid using citric acid
Assignee: Union Carbide Corp
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Filing: 1957-02-04
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Granted: 1958-12-30
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Expires: 1977-02-04
Abstract
No abstract record available.
Inventors
- 👤 Amelio E Montagna
- 👤 Everett R Lashley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 06:34
CPC Classifications
C; C07; C07C; C07C51/00; C07C51/42; C07C51/50
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
38 words
A STABILIZED SOLUTION OF A SALT OF SORBIC ACID COMPRISING A WATER-SOLUBLE SALT OF SORBIC ACID, WATER AND AT LEAST 0.0005 PART BY WEIGHT OF CITRIC ACID PER 100 PARTS BY WEIGHT OF SAID SALT OF SORBIC ACID.
Claim 2
Dependent Claim
38 words
A STABILIZED SOLUTION OF A SALT OF SORBIC ACID COMPRISING A WATER-SOLUBLE SALT OF SORBIC ACID, WATER AND AT LEAST 0.0005 PART BY WEIGHT OF CITRIC ACID PER 100 PARTS BY WEIGHT OF SAID SALT OF SORBIC ACID.
References Cited (Backward Citations)
US2485633A
Cited
US2699395A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-12-29 | 1962-06-30 | 1962-12-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-12-29 | 1966-06-30 | 1966-12-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-12-29 | 1970-06-30 | 1970-12-30 | $7700.00 | Window Closed / Lapsed |