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Method for producing an emulsion of alkenyl succinic anhydride (asa) in an aqueous solution of a cationic amylaceous substance, resulting emulsion, and use thereof
US2015114258A1 · US · A1
| Field | Value |
|---|---|
| Publication number | US-2015114258-A1 |
| Application number | US-201314405226-A |
| Country | US |
| Kind code | A1 |
| Filing date | Jun 12, 2013 |
| Priority date | Jun 12, 2012 |
| Publication date | Apr 30, 2015 |
| Grant date | — |
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Abstract
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A method for producing an emulsion of ASA in an aqueous solution of a cationic amylaceous substance, without having to use a loop for recirculating the product at the emulsification unit. The produced emulsion is characterized by both a fine and monodisperse particle size, and no overheating is involved that could lead to negative phenomena of hydrolyzing the ASA. The corresponding production device is also described.
First claim
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1 . A process for manufacturing an emulsion of alkenylsuccinic anhydride (ASA) in an aqueous solution of cationic starchy material, comprising the steps of: a) preparing an aqueous solution of cationic starchy material, b) mixing the ASA and the aqueous solution of cationic starchy material obtained from step a), so as to obtain a cationic starchy material/ASA dry weight ratio of less than 1, preferentially between 0.2 and 0.6 and very preferentially between 0.3 and 0.5, c) preparing in a s…
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Textiles & Paper · mapped topic
Textiles & Paper · mapped topic
Operations & Transport · mapped topic
Operations & Transport · mapped topic
- D21H21/16Primary
Textiles & Paper · mapped topic
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- What does patent US2015114258A1 cover?
- A method for producing an emulsion of ASA in an aqueous solution of a cationic amylaceous substance, without having to use a loop for recirculating the product at the emulsification unit. The produced emulsion is characterized by both a fine and monodisperse particle size, and no overheating is involved that could lead to negative phenomena of hydrolyzing the ASA. The corresponding production d…
- Who is the assignee on this patent?
- Roquette Freres
- What technology area does this patent fall under?
- Primary CPC classification D21H21/16. Mapped technology areas include Textiles & Paper.
- When was this patent published?
- Publication date Thu Apr 30 2015 00:00:00 GMT+0000 (Coordinated Universal Time) (A1). 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).