Patent Number: 8,575,281

Title: Sulfonic acid group-containing carbonaceous material

Abstract: A sulfonic acid group-containing carbonaceous material that is useful as a solid acid catalyst for various reactions such as hydration of olefins and acidolysis reaction of hydroperoxide and also useful as a proton conductor material having excellent proton conductivity is provided. In addition, an economical and environmentally friendly method for producing methyl ethyl ketone is provided. A sulfonic acid group-containing carbonaceous material having high catalytic activities for various acid catalyst reactions and also having high proton conductivity can be obtained by carbonization and sulfonation of a phenolic resin.

Inventors: Yanagawa; Shinichirou (Kanagawa, JP), Kondo; Hidesato (Kanagawa, JP), Hara; Michikazu (Kanagawa, JP)

Assignee: Nippon Oil Company

International Classification: C08G 8/32 (20060101)

Expiration Date: 1/05/12017