Inventor · disambiguated record
William Lewis Trapp
Also filed as: TRAPP WILLIAM LEWIS
15 granted patents·31 pending applications·77 citations·filing 1997–2025
90Inventor score
Top patents by PatentIndex Score
46 records- 0197US11447576B2Cellulose ester compositions derived from recycled plastic content syngasEASTMAN CHEM CO·Filed 2020·Granted Sep 20, 2022·12 cites·17 claims
- 0296US12031091B2Recycle content cracked effluentEASTMAN CHEM CO·Filed 2020·Granted Jul 9, 2024·8 cites·20 claims
- 0389US11370983B2Gasification of plastics and solid fossil fuelsEASTMAN CHEM CO·Filed 2020·Granted Jun 28, 2022·2 cites·8 claims
- 0489US11312914B2Gasification of plastics and solid fossil fuels to produce organic compoundsEASTMAN CHEM CO·Filed 2020·Granted Apr 26, 2022·2 cites·23 claims
- 0589US11286436B2Feed location for gasification of plastics and solid fossil fuelsEASTMAN CHEM CO·Filed 2020·Granted Mar 29, 2022·2 cites·40 claims
- 0684US12338211B2Recycle content (C4)alkanalEASTMAN CHEM CO·Filed 2020·Granted Jun 24, 2025·1 cites·18 claims
- 0783US11939406B2Polymers, articles, and chemicals made from densified textile derived syngasEASTMAN CHEM CO·Filed 2020·Granted Mar 26, 2024·1 cites·14 claims
- 0880US11939546B2Gasification of plastics and solid fossil fuels to produce organic compoundsEASTMAN CHEM CO·Filed 2022·Granted Mar 26, 2024·0 cites·24 claims
- 0980US11939547B2Gasification of plastics and solid fossil fuelsEASTMAN CHEM CO·Filed 2022·Granted Mar 26, 2024·0 cites·6 claims
- 1079US11802251B2Feed location for gasification of plastics and solid fossil fuelsEASTMAN CHEM CO·Filed 2022·Granted Oct 31, 2023·0 cites·38 claims
- 1178US6033447AStart-up process for a gasification reactorEASTMAN CHEM CO·Filed 1997·Granted Mar 7, 2000·49 cites·8 claims
- 1278US2025276949A1Recycle content (c4)alkanalEASTMAN CHEM CO·Filed 2025·Application pending·0 cites
- 1377US2022411538A1Cellulose ester compositions derived from recycled plastic content syngasEASTMAN CHEM CO·Filed 2022·Application pending·0 cites
- 1476US2024239920A1Polymers, articles, and chemicals made from densified textile derived syngasEASTMAN CHEM CO·Filed 2024·Application pending·0 cites
- 1575US2024318084A1Recycle content cracked effluentEASTMAN CHEM CO·Filed 2024·Application pending·0 cites
- 1668US11939534B2Recycle content alpha olefins and fatty alcoholsEASTMAN CHEM CO·Filed 2020·Granted Mar 26, 2024·0 cites·16 claims
- 1760US12104121B2Recycle content mixed esters and solventsEASTMAN CHEM CO·Filed 2020·Granted Oct 1, 2024·0 cites·4 claims
- 1860US2023134669A1Recycle content amorphous polyolefinsEASTMAN CHEM CO·Filed 2021·Application pending·0 cites
- 1960US2023134198A1Recycle content polypropyleneEASTMAN CHEM CO·Filed 2021·Application pending·0 cites
- 2059US2024051822A1Syngas compositionsEASTMAN CHEM CO·Filed 2021·Application pending·0 cites
- 2157US2023407198A9Gasification of liquefied waste plasticsEASTMAN CHEM CO·Filed 2021·Application pending·0 cites
- 2257US2023212469A1Partial oxidation gasification of wet waste plasticEASTMAN CHEM CO·Filed 2021·Application pending·0 cites
- 2357US2023235238A1Vitrification materials to partial oxidation gasifierEASTMAN CHEM CO·Filed 2021·Application pending·0 cites
- 2456US12497467B2Recycle content cellulose esterExxonMobil Product Solutions Company·Filed 2020·Granted Dec 16, 2025·0 cites·18 claims
- 2556US12351654B2Polymers, articles, and chemicals made from high concentrated recycle derived syngasEASTMAN CHEM CO·Filed 2020·Granted Jul 8, 2025·0 cites·20 claims
- 2656US2022380328A1Recycle content ethylene oxide or alkylene glycolsEASTMAN CHEM CO·Filed 2020·Application pending·0 cites
- 2756US2023211394A1Chemical recycling of solvolysis coproduct streamsEASTMAN CHEM CO·Filed 2021·Application pending·0 cites
- 2856US2021139620A1Recycle content polystryeneEASTMAN CHEM CO·Filed 2020·Application pending·0 cites
- 2955US2022325036A1Process for the preparation of polyesters with recycled monomers from pyrolysis and methanolysisEASTMAN CHEM CO·Filed 2020·Application pending·0 cites
- 3054US2022396546A1Recycle content glycol estersEASTMAN CHEM CO·Filed 2020·Application pending·0 cites
- 3154US2022403053A1Cellulose esters comprising recycle content butyrylEASTMAN CHEM CO·Filed 2020·Application pending·0 cites
- 3253US2022289868A1Cellulose ester compositions derived from recycled cellulose ester content syngasEASTMAN CHEM CO·Filed 2020·Application pending·0 cites
- 3353US2022281796A1Recycle content (c4)alkanoic acidEASTMAN CHEM CO·Filed 2020·Application pending·0 cites
- 3451US2022135893A1Gasification of densified textiles and solid fossil fuelsEASTMAN CHEM CO·Filed 2020·Application pending·0 cites
- 3551US2022169931A1Gasification of Torrefied Textiles and Fossil FuelsEASTMAN CHEM CO·Filed 2020·Application pending·0 cites
- 3650US2023067427A1Chemical recycling of solvolysis reactor purge coproduct streamsEASTMAN CHEM CO·Filed 2021·Application pending·0 cites
- 3750US2022380283A1Recycle content glycol ether and glycol ether ester compositionsEASTMAN CHEM CO·Filed 2020·Application pending·0 cites
- 3850US2022177790A1Gasification of densified textiles and solid fossil fuels to produce organic compoundsEASTMAN CHEM CO·Filed 2020·Application pending·0 cites
- 3950US2022402860A1Recycle content alkanolaminesEASTMAN CHEM CO·Filed 2020·Application pending·0 cites
- 4050US2022380685A1Processes and systems for formation of recycle-content hydrocarbon compositionsEASTMAN CHEM CO·Filed 2020·Application pending·0 cites
- 4150US2023110481A1Chemical recycling of polyolefin-containing plastic waste and solvolysis coproduct streamsEASTMAN CHEM CO·Filed 2021·Application pending·0 cites
- 4250US2023002524A1Recycle content poly(vinyl acetal)EASTMAN CHEM CO·Filed 2020·Application pending·0 cites
- 4349US2020248083A1Gasification of post-consumer tires and solid fossil fuels to produce organic compoundsEASTMAN CHEM CO·Filed 2020·Application pending·0 cites
- 4449US2020248084A1Gasification of tires and solid fossil fuels in a permitted gasifierEASTMAN CHEM CO·Filed 2020·Application pending·0 cites
- 4548US2022289655A1Recycle content propionaldehydeEASTMAN CHEM CO·Filed 2020·Application pending·0 cites
- 4648US2022220389A1Recycle content ethylene and propyleneEASTMAN CHEM CO·Filed 2020·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →