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Paper sizing using an agent containing uniformly bound octenyl succinic anhydride groups made by the reaction of octenyl succinic anhydride onto a dispersed waxy starch
US8962092B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-8962092-B2 |
| Application number | US-201313753881-A |
| Country | US |
| Kind code | B2 |
| Filing date | Jan 30, 2013 |
| Priority date | Jan 30, 2013 |
| Publication date | Feb 24, 2015 |
| Grant date | Feb 24, 2015 |
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Abstract
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The application relates to an agent containing bound octenyl succinic anhydride groups made via the reaction of octenyl succinic anhydride onto a dispersed waxy starch, which provides significant improvements in paper porosity reduction, when added at a low level to a commodity surface starch dispersion and used to surface size paper.
First claim
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What is claimed is: 1. A process of sizing paper comprising applying an aqueous starch mixture to paper, said aqueous starch mixture being comprised of a mixture of a converted starch and a dispersion of a reacted starch, the mixture of converted starch and dispersion of reacted starch being the product of process steps comprised of: a) slurrying in water a waxy starch and gelatinizing the slurry to prepare a starch dispersion; b) optionally acidifying the starch dispersion to p…
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- What does patent US8962092B2 cover?
- The application relates to an agent containing bound octenyl succinic anhydride groups made via the reaction of octenyl succinic anhydride onto a dispersed waxy starch, which provides significant improvements in paper porosity reduction, when added at a low level to a commodity surface starch dispersion and used to surface size paper.
- Who is the assignee on this patent?
- Trksak Ralph, Foong Non Kam, Corn Products Dev Inc
- 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 Tue Feb 24 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).