INTERNATIONAL PATENT: EASTMAN CHEMICAL COMPANY FILES APPLICATION FOR "AUXILIARY POWER UNIT LUBRICATION SYSTEMS, APU LUBRICATING OILS AND AIRCRAFT CABIN AIR SYSTEMS"

GENEVA, Aug. 5 -- EASTMAN CHEMICAL COMPANY (200 South Wilcox DriveKingsport, TN 37660) filed a patent application (PCT/US2025/011346) for "AUXILIARY POWER UNIT LUBRICATION SYSTEMS, APU LUBRICATING OILS, AND AIRCRAFT CABIN AIR SYSTEMS" on Jan 13, 2025. With publication no. WO/2025/159926, the details related to the patent application was published on Jul 31, 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): YUNGK, Ronald, Ernest (200 South Wilcox DriveKingsport, TN 37660), MARKSON, Andrew, Jonathon (200 South Wilcox DriveKingsport, TN 37660), LUTTON, Katie (200 South Wilcox DriveKingsport, TN 3...