Inventor
SLIVENSKY DAVID EUGENE
US32 patents
⚠️ This page may combine multiple inventors who share the name “SLIVENSKY DAVID EUGENE”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
EASTMAN CHEM CO
22 patentsUS11319262B2May 3, 2022
Processes and systems for making recycle content hydrocarbons
EASTMAN CHEM CO48 citations97
US12312540B2May 27, 2025
Pyrolysis method and system for recycled waste
EASTMAN CHEM CO8 citations85
US12031091B2Jul 9, 2024
Recycle content cracked effluent
EASTMAN CHEM CO8 citations85
US11365357B2Jun 21, 2022
Cracking C8+ fraction of pyoil
EASTMAN CHEM CO12 citations85
US12516250B2Jan 6, 2026
Chemical recycling of solvolysis coproduct streams
EASTMAN CHEM CO2 citations71
US12398328B2Aug 26, 2025
Chemical recycling of processed mixed plastic waste streams
EASTMAN CHEM CO3 citations71
US12371625B2Jul 29, 2025
Processes and systems for making recycle content hydrocarbons through a propylene fractionator
EASTMAN CHEM CO1 citations63
US12338211B2Jun 24, 2025
Recycle content (C4)alkanal
EASTMAN CHEM CO1 citations63
US12534590B2Jan 27, 2026
Recycle content cyclobutane diol polyester
EASTMAN CHEM CO0 citations62
US12195674B2Jan 14, 2025
Using spent caustic solution from pygas treatment to neutralize halogens from liquified waste plastic
EASTMAN CHEM CO0 citations62
US12104121B2Oct 1, 2024
Recycle content mixed esters and solvents
EASTMAN CHEM CO0 citations62
US12098338B2Sep 24, 2024
Cracking c8+ fraction of pyoil
EASTMAN CHEM CO1 citations62
US12018220B2Jun 25, 2024
Thermal pyoil to a gas fed cracker furnace
EASTMAN CHEM CO0 citations62
US11945998B2Apr 2, 2024
Processes and systems for making recycle content hydrocarbons
EASTMAN CHEM CO1 citations62
US11946000B2Apr 2, 2024
Blend small amounts of pyoil into a liquid stream processed into a gas cracker
EASTMAN CHEM CO1 citations62
US11939534B2Mar 26, 2024
Recycle content alpha olefins and fatty alcohols
EASTMAN CHEM CO0 citations62
US11787754B2Oct 17, 2023
Processes and systems for making recycle content hydrocarbons
EASTMAN CHEM CO0 citations62
US12326865B2Jun 10, 2025
Chemical recycling of plastic-derived streams to a cracker separation zone
EASTMAN CHEM CO0 citations52
US12275895B2Apr 15, 2025
Chemical recycling of plastic-derived streams to a cracker separation zone with enhanced separation efficiency
EASTMAN CHEM CO0 citations52
US12116532B2Oct 15, 2024
Compositions from the chemical recycling of plastic-derived streams and uses thereof
EASTMAN CHEM CO0 citations52
US12227710B2Feb 18, 2025
Processes and systems for formation of recycle-content hydrocarbon compositions
EASTMAN CHEM CO0 citations51
US12173237B2Dec 24, 2024
Processes and systems for formation of recycle-content hydrocarbon compositions
EASTMAN CHEM CO0 citations51
ExxonMobil Product Solutions Company
9 patentsUS12590257B2Mar 31, 2026
Treatment of heavy pyrolysis products by partial oxidation gasification
ExxonMobil Product Solutions Company1 citations63
US12590252B2Mar 31, 2026
Pyrolysis method and system for recycled waste
ExxonMobil Product Solutions Company1 citations63
US12577472B2Mar 17, 2026
Recycle content alpha olefins and fatty alcohols
ExxonMobil Product Solutions Company1 citations63
US12522548B2Jan 13, 2026
Recycle content oxo alcohols and oxo plasticizers
ExxonMobil Product Solutions Company0 citations61
US12516006B2Jan 6, 2026
Recycle content propanol
ExxonMobil Product Solutions Company0 citations61
US12497467B2Dec 16, 2025
Recycle content cellulose ester
ExxonMobil Product Solutions Company0 citations61
US12577188B2Mar 17, 2026
Recycle content oxo glycols
ExxonMobil Product Solutions Company0 citations51
US12528995B2Jan 20, 2026
Pyrolysis method and system for recycled waste
ExxonMobil Product Solutions Company0 citations48
US12590253B2Mar 31, 2026
Low carbon footprint integrated process for recycle content olefin producers
ExxonMobil Product Solutions Company0 citations47