US Patent Issued to LG CHEM on Oct. 28 for "Powder type polypropylene resin and method for preparing the same" (South Korean Inventors)

ALEXANDRIA, Va., Oct. 28 -- United States Patent no. 12,454,588, issued on Oct. 28, was assigned to LG CHEM Ltd. (Seoul, South Korea).

"Powder type polypropylene resin and method for preparing the same" was invented by Seong Min Chae (Daejeon, South Korea), Jihwa Ye (Daejeon, South Korea), Kyung Seop Noh (Daejeon, South Korea) and Heekwang Park (Daejeon, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "According to this invention, there are provided powder type polypropylene resin wherein flowability in a hooper and feeding stability in the feeding zone of an extruder are improved through morphology optimization such as decrease in fine powder content, narrow particle size distribution, increase in...