Compositions and methods for treating hyperkalemia
US-2016346318-A1 · Dec 1, 2016 · US
Sulfonation process
US10428163B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-10428163-B2 |
| Application number | US-201615562047-A |
| Country | US |
| Kind code | B2 |
| Filing date | Mar 28, 2016 |
| Priority date | Mar 31, 2015 |
| Publication date | Oct 1, 2019 |
| Grant date | Oct 1, 2019 |
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- Title
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Abstract
Official abstract text for this publication.
Provided is a method for reacting a resin with sulfuric acid comprising the step of heating a reaction mixture to a temperature of 80° C. or higher, wherein said reaction mixture comprises (a) a collection of copolymer particles (A), (b) sulfuric acid, and (c) a collection of solid particles (B) different from said copolymer particles (A), wherein said solid particles (B) have BET surface area of 50 m 2 /g to 5,000 m 2 /g.
First claim
Opening claim text (preview).
The invention claimed is: 1. A method for reacting a resin with sulfuric acid comprising the step of heating a reaction mixture to a temperature of 80° C. or higher, wherein said reaction mixture comprises (a) a collection of copolymer particles (A), (b) sulfuric acid, and (c) a collection of solid particles (B) different from said copolymer particles (A), wherein said solid particles (B) have BET surface area of 50 m 2 /g to 5,000 m 2 /g, wherein said solid particles (B) comprise activated carbon particles. 2. The method of claim 1 , wherein said activated carbon particles are powdered carbon particles.
Assignees
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Classifications
Particle diameter · CPC title
- C08F8/36Primary
Sulfonation; Sulfation · CPC title
comprising free carbon; comprising carbon obtained by carbonising processes · CPC title
Filtering material manufacturing · CPC title
Surface area, e.g. B.E.T specific surface area · CPC title
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- What does patent US10428163B2 cover?
- Provided is a method for reacting a resin with sulfuric acid comprising the step of heating a reaction mixture to a temperature of 80° C. or higher, wherein said reaction mixture comprises (a) a collection of copolymer particles (A), (b) sulfuric acid, and (c) a collection of solid particles (B) different from said copolymer particles (A), wherein said solid particles (B) have BET …
- Who is the assignee on this patent?
- Rohm & Haas
- What technology area does this patent fall under?
- Primary CPC classification C08F8/36. Mapped technology areas include Chemistry & Metallurgy.
- When was this patent published?
- Publication date Tue Oct 01 2019 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).