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:
Apr. 07, 2026

Filed:

Dec. 17, 2020
Applicant:

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

Inventors:

Angela I. Padilla-Acevedo, Lake Jackson, TX (US);

Andrew J. Young, Houston, TX (US);

Roger L. Kuhlman, Lake Jackson, TX (US);

Susan Brown, Pearland, TX (US);

Matthew E. Belowich, Midland, MI (US);

David R. Neithamer, Midland, MI (US);

Jerzy Klosin, Midland, MI (US);

David M. Pearson, Lake Jackson, TX (US);

Leslie E. O'leary, Sugar Land, TX (US);

Joseph F. Dewilde, Midland, MI (US);

Assignee:

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

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08F 210/16 (2006.01); C08F 2/34 (2006.01); C08F 4/659 (2006.01); C08F 4/6592 (2006.01); C08F 110/02 (2006.01);
U.S. Cl.
CPC ...
C08F 110/02 (2013.01); C08F 2/34 (2013.01); C08F 4/65927 (2013.01); C08F 210/16 (2013.01);
Abstract

Embodiments are directed towards a use of a supported gas-phase biphenylphenol polymerization catalyst to make a polymer via a gas-phase polymerization process, wherein the supported gas-phase biphenylphenol polymerization catalyst is made from a gas-phase biphenylphenol polymerization precatalyst of Formula I.


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