Inventor · disambiguated record
Robert M. Leach
Also filed as: LEACH ROBERT · LEACH ROBERT M
25 granted patents·15 pending applications·374 citations·filing 1974–2018
96Inventor score
Files withLEACH ROBERT M9KOPPERS PERFORMANCE CHEMICALS INC8ZHANG JUN8CITIES SERVICE CO6OSMOSE WOOD PRESERVING CO4
Top patents by PatentIndex Score
40 records- 0194US8603576B2Compositions and methods for treating cellulose based materials with micronized additivesLEACH ROBERT M·Filed 2011·Granted Dec 10, 2013·14 cites·16 claims
- 0292US8168304B2Micronized wood preservative formulations comprising boron compoundsZHANG JUN·Filed 2010·Granted May 1, 2012·13 cites·16 claims
- 0392US4313976AComposition and process for coloring and preserving woodOSMOSE WOOD PRESERVING CO·Filed 1980·Granted Feb 2, 1982·64 cites·41 claims
- 0491US6843837B2Polymeric wood preservative compositionsOSMOSE INC·Filed 2003·Granted Jan 18, 2005·48 cites·53 claims
- 0591US4622248APreservative composition for woodOSMOSE WOOD PRESERVING CO·Filed 1985·Granted Nov 11, 1986·93 cites·34 claims
- 0690US9266251B2Compositions and methods for treating cellulose-based materials with micronized additivesKOPPERS PERFORMANCE CHEMICALS INC·Filed 2015·Granted Feb 23, 2016·4 cites·10 claims
- 0790US8778407B2Micronized wood preservative formulationsZHANG JUN·Filed 2008·Granted Jul 15, 2014·5 cites·18 claims
- 0890US7674481B2Micronized wood preservative formulationsOSMOSE INC·Filed 2004·Granted Mar 9, 2010·28 cites·29 claims
- 0986US9079328B2Micronized wood preservative formulationsKOPPERS PERFORMANCE CHEMICALS INC·Filed 2014·Granted Jul 14, 2015·1 cites·8 claims
- 1078US8974854B2Compositions and methods for treating cellulose-based materials with micronized additivesKOPPERS PERFORMANCE CHEMICALS INC·Filed 2013·Granted Mar 10, 2015·2 cites·9 claims
- 1177US9775350B2Micronized wood preservative formulations in organic carriersZHANG JUN·Filed 2011·Granted Oct 3, 2017·3 cites·13 claims
- 1276US4752297AProcess for coloring wood with iron salt in waterOSMOSE WOOD PRESERVING CO·Filed 1987·Granted Jun 21, 1988·30 cites·22 claims
- 1372US2017238549A1Micronized wood preservative formulationsKOPPERS PERFORMANCE CHEMICALS INC·Filed 2016·Application pending·0 cites
- 1471US8460759B2Micronized wood preservative formulationsLEACH ROBERT M·Filed 2008·Granted Jun 11, 2013·2 cites·5 claims
- 1569US2017360042A1Micronized wood preservative formulations in organic carriersZHANG JUN·Filed 2017·Application pending·0 cites
- 1668US2016113284A1Micronized wood preservative formulationsKOPPERS PERFORMANCE CHEMICALS INC·Filed 2015·Application pending·0 cites
- 1767US8747909B2Micronized wood preservative formulationsLEACH ROBERT M·Filed 2008·Granted Jun 10, 2014·2 cites·25 claims
- 1867US7001452B2Polymeric wood preservative compositionsOSMOSE INC·Filed 2004·Granted Feb 21, 2006·11 cites·70 claims
- 1966US8637089B2Micronized wood preservative formulationsZHANG JUN·Filed 2006·Granted Jan 28, 2014·2 cites·14 claims
- 2063US9937634B2Compositions and methods for treating cellulose-based materials with micronized additivesKOPPERS PERFORMANCE CHEMICALS INC·Filed 2016·Granted Apr 10, 2018·0 cites·8 claims
- 2163US2019030748A1Compositions and methods for treating cellulose-based materials with micronized additivesKOPPERS PERFORMANCE CHEMICALS INC·Filed 2018·Application pending·0 cites
- 2259US3954953AEnergy conserving process for manufacturing ferric sulfateCITIES SERVICE CO·Filed 1974·Granted May 4, 1976·8 cites·13 claims
- 2359US2019021332A1Micronized wood preservative formulationsKOPPERS PERFORMANCE CHEMICALS INC·Filed 2018·Application pending·0 cites
- 2458US8747908B2Micronized wood preservative formulationsLEACH ROBERT M·Filed 2004·Granted Jun 10, 2014·6 cites·25 claims
- 2558US2010119818A1Compositions and methods for treating cellulose-based materials with micronized additivesLEACH ROBERT M·Filed 2009·Application pending·0 cites
- 2656US2006112850A1Micronized wood preservative formulations in organic carriersZHANG JUN·Filed 2005·Application pending·0 cites
- 2755US2008199525A1Micronized wood preservative formulationsLEACH ROBERT M·Filed 2008·Application pending·0 cites
- 2851US4065404ATall oil defoamer for high strength acid mediaCITIES SERVICE CO·Filed 1976·Granted Dec 27, 1977·12 cites·56 claims
- 2951US2006257578A1Micronized wood preservative formulations comprising boron compoundsZHANG JUN·Filed 2006·Application pending·0 cites
- 3050US2005265893A1Compositions and methods for treating cellulose-based materials with micronized additivesLEACH ROBERT M·Filed 2005·Application pending·0 cites
- 3149US5009964AComposition and process for imparting fire retardant properties and improved thermal stability to cellulosic materialsOSMOSE WOOD PRESERVING CO·Filed 1989·Granted Apr 23, 1991·10 cites·22 claims
- 3248US2006100340A1Polymer and water repellent compositions for wood product dimensional stabilityGAO HOWARD·Filed 2005·Application pending·0 cites
- 3346US2006288904A1Micronized wood preservative compositionsLEACH ROBERT M·Filed 2006·Application pending·0 cites
- 3445US4065402ATall oil defoamer for high strength acid mediaCITIES SERVICE CO·Filed 1976·Granted Dec 27, 1977·9 cites·38 claims
- 3545US2006086284A1Non-alkaline micronized wood preservative formulationsZHANG JUN·Filed 2005·Application pending·0 cites
- 3644US2005152994A1Composition and process for coloring and preserving woodFiled 2004·Application pending·0 cites
- 3743US2005249812A1Micronized organic preservative formulationsLEACH ROBERT M·Filed 2005·Application pending·0 cites
- 3836US4145310ADefoamer for high strength acid mediaCITIES SERVICE CO·Filed 1977·Granted Mar 20, 1979·5 cites·11 claims
- 3929US4065403ATall oil defoamer having a nonionic additive defoamer for high strength acid mediaCITIES SERVICE CO·Filed 1976·Granted Dec 27, 1977·2 cites·47 claims
- 4028US4145309ADefoamer for high strength acid mediaCITIES SERVICE CO·Filed 1977·Granted Mar 20, 1979·0 cites·21 claims
Join the waitlist — get patent alerts
Get an alert when Robert M. Leach files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →