US 6,552,220 B1 · Catalyst for production of acetic acid and ethyl acetate, process for its production and process for production of acetic acid and ethyl acetate using it

Abstract

An acetic acid production catalyst that contains (b) at least one element selected from the group consisting of Group 14 elements, Group 15 elements and Group 16 elements of the Periodic Table and/or (c) at least one element selected from the group consisting of Group 6 elements, Group 7 elements, Group 8 elements, Group 9 elements, Group 10 elements, Group 11 elements and Group 12 elements of the Periodic Table, added to a palladium-loaded catalyst, as well as an acetic acid and ethyl acetate production catalyst that contains (b) at least one compound selected from the group consisting of inorganic acids and salts thereof and/or (c) at least one element selected from the group consisting of Group 14 elements, Group 15 elements and Group 16 elements of the Periodic Table and/or (d) at least one element selected from the group consisting of Group 6 elements, Group 7 elements, Group 8 elements, Group 9 elements, Group 10 elements, Group 11 elements and Group 12 elements of the Periodic Table, added to palladium.

Claims11

Dependent claims

A catalyst for production of acetic acid by reaction of ethanol and oxygen in a vapor phase, comprising (a) palladium and (b) at least one element selected from the group consisting of selenium, tellurium and antimony held on a carrier.

Dependencies are inferred from the claim text.

Facts

Application

09/554,752Filed 19 May 2000 · us provisional application

Priority

JP 11-10635814 Apr 1999

Granted

22 Apr 2003

Term ends

Not estimatedThe source records don’t support an estimate.

Classification10 codes

C07C 51/235
Of oxygen-containing groups to carboxyl groups: of —CHO groups or primary alcohol groups
B01J 23/56
Combined with metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36: platinum group metals
B01J 23/644
With arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium: arsenic,…
B01J 27/057
Sulfur, selenium or tellurium; Compounds thereof: selenium or tellurium; Compounds thereof

Catalyst for production of acetic acid and ethyl acetate, process for its production and process for production of acetic acid and ethyl acetate using it

Life of this patent

Catalyst for production of acetic acid and ethyl acetate, process for its production and process for production of acetic acid and ethyl acetate using it

Life of this patent

Abstract

Claims11