The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Nov. 15, 2022

Filed:

Jun. 20, 2019
Applicants:

Dow Global Technologies Llc, Midland, MI (US);

Rohm and Haas Company, Collegeville, PA (US);

Inventors:

Kirk W. Limbach, Dresher, PA (US);

Christopher D. Frick, Pottstown, PA (US);

Dmitry A. Krapchetov, Landsdale, PA (US);

Wen-Sheng Lee, Midland, MI (US);

Victor J. Sussman, Midland, MI (US);

Jeffrey A. Herron, Midland, MI (US);

Assignees:

Rohm and Haas Company, Collegeville, PA (US);

Dow Global Technologies LLC, Midland, MI (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01J 23/52 (2006.01); B01J 21/06 (2006.01); B01J 21/08 (2006.01); B01J 35/00 (2006.01); B01J 35/02 (2006.01); C07C 67/44 (2006.01);
U.S. Cl.
CPC ...
B01J 23/52 (2013.01); B01J 21/063 (2013.01); B01J 21/08 (2013.01); B01J 35/0073 (2013.01); B01J 35/026 (2013.01); C07C 67/44 (2013.01);
Abstract

A heterogeneous catalyst comprising a support and gold, wherein: (i) said support comprises titanium, (ii) said catalyst comprises from 0.1 to 5 wt % of gold, (iii) at least 90 wt % of the gold is in the outer 60% of catalyst volume, and (iv) particles of the catalyst have an average diameter from 200 microns to 30 mm; wherein weight percentages are based on weight of the catalyst.


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