Patent ID: 9327271
Filing Date: 2016-05-03
CPC Classification: B01J,C07D

Claim Text:
1. A tantalum-containing catalyst, comprising: a tantalum-containing compound chosen from tantalates, tantalum oxides, or mixtures thereof; and one or more metal oxides, wherein the metal in the metal oxides is selected from the group consisting of nickel, tungsten, titanium, zirconium, aluminum, cobalt, platinum, palladium, ruthenium, molybdenum, vanadium, tin, and niobium, wherein the tantalates and the tantalum oxides are produced by a method comprising reacting hydrated tantalum oxide or tantalum hydroxide with an inorganic acid to obtain a precipitate; and calcining the precipitate, wherein the inorganic acid is hydrochloric acid, sulfuric acid, phosphoric acid, or nitric acid, wherein the molar ratio of the one or more metals to tantalum is from 1:2.5 to 1:100.