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US 2014/0275639 A1Published application
Novel Ethynylation Catalyst And Method Of Making Same
AssigneeBASF SE
InventorsRostam Madon, Peter Nagel, Scott Hedrick, Deepak Thakur
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Abstract
A novel catalyst useful in the ethynylation of formaldehyde to butynediol is formed by precipitating copper and bismuth from a salt solution of such metals, utilizing an alkali metal hydroxide as the precipitating agent to deposit copper and bismuth hydroxide as a coating around a siliceous carrier particle.
Claims22
A method of preparing a catalyst for the ethynylation of formaldehyde which comprises:
- depositing by precipitation copper hydroxide, over a particulate siliceous carrier and calcining the treated carrier to yield a copper oxide coating around the carrier.
Dependencies are inferred from the claim text.