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:
Jul. 22, 2025
Filed:
Jul. 30, 2020
Dow Global Technologies Llc, Midland, MI (US);
Linfeng Chen, Beijing, CN;
Kurt F. Hirsekorn, Lake Jackson, TX (US);
Jeffrey A. Sims, Lake Jackson, TX (US);
David M. Pearson, Lake Jackson, TX (US);
Dow Global Technologies LLC, Midland, MI (US);
Abstract
The catalyst system includes a heterogeneous procatalyst, an electron donor, and a hydrogenation procatalyst. The heterogeneous procatalyst includes a titanium species, an aluminum species, and a magnesium chloride component. The hydrogenation procatalyst has the formula CpTiXTiCpor CpTiX. In formula CpTiX, each Cp is a cyclopentadienyl substituted with at least one R, wherein Ris (C-C)alkyl; and each X is independently monoanionic or neutral, wherein each X is independently (C-C)hydrocarbon, (C-C)heterohydrocarbon, (C-C)hydrocarbyl, (C-C)heterohydrocarbyl, or a halogen atom.