Patent ID: 9327276
Filing Date: 2016-05-03
CPC Classification: B01J,C07C

Claim Text:
1. A catalyst for glycerin dehydration, comprising a composite metal oxide represented by the following Chemical Formula 1: wherein A is phosphorus or sulfur, Ma and Mb are the same as or different from each other and are each independently Zr, Ti, Ce, Nb, Cr, Mn, Zn, B, or Cu, and p and q are a real number of 0 to 3, respectively, when either one of Ma and Mb is B, the other is Zr, Ti, Ce, Nb, Cr, Mn, Zn, or Cu, and p and q are real numbers of more than 0 and 3 or less, r is a real number of 1 to 3, and x is a real number of 1 to 20.