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:
Jan. 20, 2026

Filed:

Sep. 16, 2020
Applicant:

W.r. Grace & Co.-conn., Columbia, MD (US);

Inventors:

Ronald Epstein, Columbia, MD (US);

Michael Miller, Columbia, MD (US);

Michael Elder, Columbia, MD (US);

Vladimir Marin, Columbia, MD (US);

Ahmed Hintolay, Columbia, MD (US);

Timothy Boyer, Columbia, MD (US);

Assignee:

W.R. Grace & Co.-CONN, Columbia, MD (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08F 110/06 (2006.01); C07C 69/78 (2006.01); C08F 210/06 (2006.01);
U.S. Cl.
CPC ...
C07C 69/78 (2013.01); C08F 110/06 (2013.01); C08F 2420/00 (2013.01);
Abstract

A Ziegler-Natta catalyst composition is disclosed. The catalyst composition is formed from a procatalyst containing a magnesium moiety and a titanium moiety. At least one internal electron donor is incorporated into the procatalyst. During a titanation procedure in conjunction with the internal electron donor, a titanium extractant is used to remove or deactivate low activity or atactic titanium active sites.


Find Patent Forward Citations

Epstein, Ronald. (2026). Catalyst composition for polyolefin polymers (U.S. Patent No. 12528762). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12528762

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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