Assignee
KOPPERS PERFORMANCE CHEMICALS INC
US·20 granted patents·20 pending applications·26 citations·filing 2013–2025
Top patents by PatentIndex Score
40 records- 0193US12491658B1Wood preservative composition comprising 4,5-dichloro-2-octylisothiazol-3(2H)-one, a method treating a wood substrate therewith, and a wood product produced therefromKOPPERS PERFORMANCE CHEMICALS INC·Filed 2025·Granted Dec 9, 2025·1 cites·20 claims
- 0293US9669564B2Methods of conferring fire retardancy to wood and fire-retardant wood productsKOPPERS PERFORMANCE CHEMICALS INC·Filed 2014·Granted Jun 6, 2017·12 cites·56 claims
- 0391US2026070256A1Wood preservative composition comprising 4,5-dichloro-2-octylisothiazol-3(2h)-one, a method treating a wood substrate therewith, and a wood product produced therefromKOPPERS PERFORMANCE CHEMICALS INC·Filed 2025·Application pending·0 cites
- 0490US9266251B2Compositions and methods for treating cellulose-based materials with micronized additivesKOPPERS PERFORMANCE CHEMICALS INC·Filed 2015·Granted Feb 23, 2016·4 cites·10 claims
- 0586US9079328B2Micronized wood preservative formulationsKOPPERS PERFORMANCE CHEMICALS INC·Filed 2014·Granted Jul 14, 2015·1 cites·8 claims
- 0684US10500756B2Methods of conferring fire retardancy to wood and fire-retardant wood productsKOPPERS PERFORMANCE CHEMICALS INC·Filed 2015·Granted Dec 10, 2019·2 cites·12 claims
- 0783US12279615B2Wood preservative and method for producing sameKOPPERS PERFORMANCE CHEMICALS INC·Filed 2023·Granted Apr 22, 2025·0 cites·25 claims
- 0882US9314030B2Particulate wood preservative and method for producing sameKOPPERS PERFORMANCE CHEMICALS INC·Filed 2014·Granted Apr 19, 2016·1 cites·15 claims
- 0978US12370716B2Wood preservative composition comprising 4,5-dichloro-2-octylisothiazol-3(2H)-one, a method treating a wood substrate therewith, and a wood product produced therefromKOPPERS PERFORMANCE CHEMICALS INC·Filed 2025·Granted Jul 29, 2025·0 cites·27 claims
- 1078US11882833B2Wood preservative and method for producing sameKOPPERS PERFORMANCE CHEMICALS INC·Filed 2021·Granted Jan 30, 2024·0 cites·22 claims
- 1178US8974854B2Compositions and methods for treating cellulose-based materials with micronized additivesKOPPERS PERFORMANCE CHEMICALS INC·Filed 2013·Granted Mar 10, 2015·2 cites·9 claims
- 1275US10137595B2Wood treatment for dimensional stabilizationKOPPERS PERFORMANCE CHEMICALS INC·Filed 2015·Granted Nov 27, 2018·1 cites·68 claims
- 1374US2024342947A1A wood preservative composition comprising 4,5-dichloro-2-octylisothiazol-3(2h)-one, a method treating a wood substrate therewith, and a wood product produced therefromKOPPERS PERFORMANCE CHEMICALS INC·Filed 2022·Application pending·0 cites
- 1474US2024278455A1Method for producing copper carboxylate, a wood preservative composition comprising copper carboxylate, and a wood product produced therefromKOPPERS PERFORMANCE CHEMICALS INC·Filed 2024·Application pending·0 cites
- 1574US2024342946A1A wood preservative composition comprising 4,5-dichloro-2-octylisothiazol-3(2h)-one, a method treating a wood substrate therewith, and a wood product produced therefromKOPPERS PERFORMANCE CHEMICALS INC·Filed 2022·Application pending·0 cites
- 1672US2021352908A1Method of preparing copper-containing wood preserving compositionsKOPPERS PERFORMANCE CHEMICALS INC·Filed 2021·Application pending·0 cites
- 1772US2017238549A1Micronized wood preservative formulationsKOPPERS PERFORMANCE CHEMICALS INC·Filed 2016·Application pending·0 cites
- 1871US9023428B2Method of delivering compositions to substratesKOPPERS PERFORMANCE CHEMICALS INC·Filed 2013·Granted May 5, 2015·2 cites·31 claims
- 1970US10442110B2Wood treatment for dimensional stabilizationKOPPERS PERFORMANCE CHEMICALS INC·Filed 2018·Granted Oct 15, 2019·0 cites·57 claims
- 2069US11951649B2Method for producing copper carboxylate, a wood preservative composition comprising copper carboxylate, and a wood product produced therefromKOPPERS PERFORMANCE CHEMICALS INC·Filed 2022·Granted Apr 9, 2024·0 cites·28 claims
- 2168US2016113284A1Micronized wood preservative formulationsKOPPERS PERFORMANCE CHEMICALS INC·Filed 2015·Application pending·0 cites
- 2267US2015144027A1Particulate wood preservative and method for producing the sameKOPPERS PERFORMANCE CHEMICALS INC·Filed 2014·Application pending·0 cites
- 2365US2024360364A1Method for manufacturing an aqueous fire retardant composition, an aqueous fire retardant composition, a method for treating a wood substrate therewith, and a wood product produced therefromKOPPERS PERFORMANCE CHEMICALS INC·Filed 2024·Application pending·0 cites
- 2464US11140901B2Wood preservative and method for producing sameKOPPERS PERFORMANCE CHEMICALS INC·Filed 2018·Granted Oct 12, 2021·0 cites·27 claims
- 2563US9937634B2Compositions and methods for treating cellulose-based materials with micronized additivesKOPPERS PERFORMANCE CHEMICALS INC·Filed 2016·Granted Apr 10, 2018·0 cites·8 claims
- 2663US2025052736A1Methods for determining a source of wood products, wood preservative compositions, wood products, and methods of treating wood substratesKOPPERS PERFORMANCE CHEMICALS INC·Filed 2024·Application pending·0 cites
- 2763US2019030748A1Compositions and methods for treating cellulose-based materials with micronized additivesKOPPERS PERFORMANCE CHEMICALS INC·Filed 2018·Application pending·0 cites
- 2860US11102980B2Method of preparing copper-containing wood preserving compositionsKOPPERS PERFORMANCE CHEMICALS INC·Filed 2018·Granted Aug 31, 2021·0 cites·38 claims
- 2960US2018317486A1Wood preservative and method for producing sameKOPPERS PERFORMANCE CHEMICALS INC·Filed 2017·Application pending·0 cites
- 3059US2019021332A1Micronized wood preservative formulationsKOPPERS PERFORMANCE CHEMICALS INC·Filed 2018·Application pending·0 cites
- 3158US11091654B2Spray-on exterior coating compositions for wood treatmentKOPPERS PERFORMANCE CHEMICALS INC·Filed 2018·Granted Aug 17, 2021·0 cites·29 claims
- 3258US2019152093A1Methods for improved copper penetration in woodKOPPERS PERFORMANCE CHEMICALS INC·Filed 2018·Application pending·0 cites
- 3354US2020282592A1Solvent-borne wood preservative compositionsKOPPERS PERFORMANCE CHEMICALS INC·Filed 2020·Application pending·0 cites
- 3453US2015090158A1Solvent recoveryKOPPERS PERFORMANCE CHEMICALS INC·Filed 2014·Application pending·0 cites
- 3552US2017217045A1Methods for improved copper penetration in woodKOPPERS PERFORMANCE CHEMICALS INC·Filed 2016·Application pending·0 cites
- 3652US2016052161A1Method of delivering compositions to substratesKOPPERS PERFORMANCE CHEMICALS INC·Filed 2015·Application pending·0 cites
- 3751US11173626B2Stable wood preservative formulationsKOPPERS PERFORMANCE CHEMICALS INC·Filed 2017·Granted Nov 16, 2021·0 cites·24 claims
- 3851US2019084182A1Solvent-borne wood preservative compositionsKOPPERS PERFORMANCE CHEMICALS INC·Filed 2018·Application pending·0 cites
- 3950US2023150166A1Method for treating a wood substrateKOPPERS PERFORMANCE CHEMICALS INC·Filed 2021·Application pending·0 cites
- 4045US11072086B2Wood pigment compositions and wood treatment processesKOPPERS PERFORMANCE CHEMICALS INC·Filed 2018·Granted Jul 27, 2021·0 cites·13 claims
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