RL

Robert M. Leach

OS Osmose: 10 patents #2 of 14Top 15%
KC Koppers Performance Chemicals: 5 patents #3 of 11Top 30%
OP Osmose Wood Preserving: 2 patents #1 of 10Top 10%
Overall (All Time): #238,375 of 4,157,543Top 6%
19
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
9937634 Compositions and methods for treating cellulose-based materials with micronized additives Jun Zhang 2018-04-10
9775350 Micronized wood preservative formulations in organic carriers Jun Zhang 2017-10-03
9266251 Compositions and methods for treating cellulose-based materials with micronized additives Jun Zhang 2016-02-23
9079328 Micronized wood preservative formulations Jun Zhang 2015-07-14
8974854 Compositions and methods for treating cellulose-based materials with micronized additives Jun Zhang 2015-03-10
8778407 Micronized wood preservative formulations Jun Zhang 2014-07-15
8747908 Micronized wood preservative formulations Jun Zhang 2014-06-10
8747909 Micronized wood preservative formulations Jun Zhang 2014-06-10
8637089 Micronized wood preservative formulations Jun Zhang 2014-01-28
8603576 Compositions and methods for treating cellulose based materials with micronized additives Jun Zhang 2013-12-10
8460759 Micronized wood preservative formulations Jun Zhang 2013-06-11
8168304 Micronized wood preservative formulations comprising boron compounds Jun Zhang, Wenjin Zhang 2012-05-01
7674481 Micronized wood preservative formulations Jun Zhang 2010-03-09
7001452 Polymeric wood preservative compositions Jun Zhang, Paul G. Griffin 2006-02-21
6843837 Polymeric wood preservative compositions Jun Zhang, Paul G. Griffin 2005-01-18
5009964 Composition and process for imparting fire retardant properties and improved thermal stability to cellulosic materials Michael Richards 1991-04-23
4752297 Process for coloring wood with iron salt in water 1988-06-21
4622248 Preservative composition for wood Richard J. Ziobro 1986-11-11
4313976 Composition and process for coloring and preserving wood 1982-02-02