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.
Patent No.:
Date of Patent:
Sep. 17, 2024
Filed:
May. 03, 2019
Applicant:
Dow Technology Investments Llc, Midland, MI (US);
Inventor:
Michael A. Brammer, Freeport, TX (US);
Assignee:
Dow Technology Investments LLC, Midland, MI (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01J 31/02 (2006.01); B01J 31/24 (2006.01); C07C 45/50 (2006.01);
U.S. Cl.
CPC ...
B01J 31/0267 (2013.01); B01J 31/2409 (2013.01); C07C 45/50 (2013.01); B01J 2231/321 (2013.01); B01J 2531/822 (2013.01);
Abstract
The present invention relates to catalyst compositions for hydroformylation processes and to hydroformylation processes utilizing certain catalysts. In one aspect, a catalyst composition for a hydroformylation process comprises (a) a transition metal; (b) a monophosphine; and (c) a tetraphosphine having the structure described herein, and wherein the composition comprises at least 40 moles of monophosphine per mole of transition metal.