INTERNATIONAL PATENT: EASTMAN CHEMICAL COMPANY FILES APPLICATION FOR "POLYMER EXTRUSION PROCESS USING VENTED EXTRUDER"

GENEVA, July 3 -- EASTMAN CHEMICAL COMPANY (200 South Wilcox DriveKingsport, TN 37660) filed a patent application (PCT/US2024/060461) for "POLYMER EXTRUSION PROCESS USING VENTED EXTRUDER" on Dec 17, 2024. With publication no. WO/2025/136910, the details related to the patent application was published on Jun 26, 2025.

Notably, the patent application was submitted under the International Patent Classification (IPC) system, which is managed by the World Intellectual Property Organization (WIPO).

Inventor(s): DONELSON, Michael Eugene (200 South Wilcox DriveKingsport, TN 37660)

Abstract: Compositions, systems, and methods for use in foam sheet production processes. Such processes generally comprise an extrusion process, which may utilize a ...