Catalysts For Making Acrylic Acid From Lactic Acid Or Its Derivatives In Liquid Phase

USPTO Patent Application US 2018/0029026 A1
Application Date: Feb. 1st, 2018

ABSTRACT

Catalysts for the dehydration of lactic acid, lactic acid derivatives, or mixtures thereof to acrylic acid, acrylic acid derivatives, or mixtures thereof in liquid phase comprising an ionic liquid (IL)...
Application Number:
15/661,016
International Classification:
B01J 31/02 (20060101); B01J 31/04 (20060101); B01J 27/02 (20060101); B01J 27/16 (20060101); B01J 27/06 (20060101)
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CLAIMS

What is claimed is:

1. A molten salt catalyst comprising an ionic liquid (IL) and an acid; wherein said IL has a bromide anion (Br); wherein said acid is soluble in said IL and selected from the group consisting of Lewis acid, Brønsted acid, and mixtures thereof; wherein said Lewis acid is selected from...

DESCRIPTION

FIELD OF THE INVENTION

The present invention generally relates to catalysts for making acrylic acid, acrylic acid derivatives, or mixtures thereof. Specifically, the present invention relates to making acrylic acid, acrylic acid derivatives, or mixtures thereof by contacting a feed stream containing lactic acid, lactic acid derivatives, or mixtures thereof with the catalyst in...
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