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Method for producing sorbic anhydride and also use thereof as a preservative in foods
US9102613B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-9102613-B2 |
| Application number | US-201113881850-A |
| Country | US |
| Kind code | B2 |
| Filing date | Oct 27, 2011 |
| Priority date | Oct 29, 2010 |
| Publication date | Aug 11, 2015 |
| Grant date | Aug 11, 2015 |
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Abstract
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A method is described for the production of sorbic anhydride, in which alkali metal or alkaline earth metal salts of sorbic acid are reacted with phosgene in an inert organic solvent. In addition, use thereof as a preservative in foods, in particular drinks, is described.
First claim
Opening claim text (preview).
What is claimed is: 1. A method for the production of sorbic anhydride, the method comprising reacting alkali metal saps of sorbic acid and/or alkaline earth metal salts of sorbic acid with phosgene in an inert organic solvent. 2. The method according to claim 1 , wherein the sorbic anhydride is all-E-sorbic anhydride and the sorbic acid is (2E,4E)-hexa-2,4-dienoic acid. 3. The method according to either of claims 1 and 2 , wherein the al…
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Human Necessities · mapped topic
Human Necessities · mapped topic
Human Necessities · mapped topic
- C07C51/56Primary
Chemistry & Metallurgy · mapped topic
Human Necessities · mapped topic
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- What does patent US9102613B2 cover?
- A method is described for the production of sorbic anhydride, in which alkali metal or alkaline earth metal salts of sorbic acid are reacted with phosgene in an inert organic solvent. In addition, use thereof as a preservative in foods, in particular drinks, is described.
- Who is the assignee on this patent?
- Krahwinkel Ralf, Markert Robert, Ritzer Edwin, and 2 more
- What technology area does this patent fall under?
- Primary CPC classification C07C51/56. Mapped technology areas include Chemistry & Metallurgy.
- When was this patent published?
- Publication date Tue Aug 11 2015 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
- What related patents are in patentsdb?
- We list 8 related publications on this page (citations in our corpus or others sharing the same primary CPC).