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:
Feb. 07, 2023

Filed:

Jan. 03, 2018
Applicant:

Exxonmobil Chemical Patents Inc., Baytown, TX (US);

Inventors:

Sasha P. Schmitt, Houston, TX (US);

George J. Pehlert, Houston, TX (US);

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08L 23/12 (2006.01); C08J 9/02 (2006.01);
U.S. Cl.
CPC ...
C08L 23/12 (2013.01); C08J 9/02 (2013.01); C08J 2201/03 (2013.01); C08J 2323/12 (2013.01); C08J 2423/12 (2013.01); C08L 2205/025 (2013.01);
Abstract

A polypropylene composition suitable for foaming having improved processability but maintained strain hardening and the process to produce the polypropylene composition comprising combining a linear polypropylene having a melt strength within a range from 10 to 40 cN (190° C.) with an organic peroxide to obtain a branched polypropylene having a melt strength within a range from 20 to 80 cN (190° C.), wherein the melt strength of the branched polypropylene is greater than the melt strength of the linear polypropylene; and combining the branched polypropylene having a melt flow rate within a range of 0.1 to 20 g/10 min and an Mw/Mn of at least 5 with within a range from 5 to 40 wt % of a low molecular weight polyolefin having a melt flow rate of at least 50 g/10 min and an Mw/Mn of less than 5 to obtain the polypropylene composition.


Find Patent Forward Citations

Schmitt, Sasha. (2023). High melt strength polypropylenes with improved processability (U.S. Patent No. 11572462). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/11572462

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

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