US 2014/0179778 A1Published application

Cocrystals of (n,n-diethylcarbamoyl)methyl methyl (2e)but-2-ene-1,4-dioate

AssigneeXenoPort, Inc.

InventorsChen Mao, Scott L. Childs

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Disclosed herein are cocrystals of (N,N-Diethylcarbamoyl)methyl methyl (2E)but-2-ene-1,4-dioate, which is a prodrug of methyl hydrogen fumarate.

Dependent claims

A cocrystal of (N,N-Diethylcarbamoyl)methyl methyl (2E)but-2-ene-1,4-dioate and urea.

Dependencies are inferred from the claim text.

A61K 31/225
Of acyclic acids, e.g. pravastatin: polycarboxylic acids
A61K 31/16
Medicinal preparations containing organic active ingredients: amides, e.g. hydroxamic acids
A61K 31/17
Amides, e.g. hydroxamic acids: having the group >N—C—N< or >N—C—N<, e.g. urea, thiourea, carmustine
A61K 31/19
Acids; Anhydrides, halides or salts thereof, e.g. sulfur acids, imidic, hydrazonic or hydroximic acids: carboxylic acids, e.g. valproic acid

From the US filing history. Foreign family members aren’t listed.

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