US 9,808,015 B2
Controlled release, wood preserving composition for treating in-service utility poles, posts, pilings, cross-ties and other wooden structures
Douglas J. Herdman, Fayetteville, GA (US); Jun Zhang, Peachtree City, GA (US); Thomas Pope, Newnan, GA (US); and Randy C. Marquardt, Fayetteville, GA (US)
Assigned to OSMOSE UTILITIES SERVICES, INC., Peachtree City, GA (US)
Filed by OSMOSE UTILITIES SERVICES, INC., Peachtree City, GA (US)
Filed on Jan. 31, 2017, as Appl. No. 15/420,959.
Application 15/420,959 is a continuation of application No. 15/257,632, filed on Sep. 6, 2016, granted, now 9,593,245.
Application 15/257,632 is a continuation of application No. 15/062,415, filed on Mar. 7, 2016, granted, now 9,464,196, issued on Oct. 11, 2016.
Application 15/062,415 is a continuation of application No. 14/305,659, filed on Jun. 16, 2014, granted, now 9,303,169, issued on Apr. 5, 2016.
Prior Publication US 2017/0135350 A1, May 18, 2017
This patent is subject to a terminal disclaimer.
Int. Cl. A01N 59/20 (2006.01); A01N 25/04 (2006.01); C09D 5/14 (2006.01); C09D 7/00 (2006.01); A01N 59/14 (2006.01); A01N 59/10 (2006.01); A01N 43/653 (2006.01); A01N 53/00 (2006.01); B27K 3/16 (2006.01); B27K 3/22 (2006.01); B27K 3/30 (2006.01); B27K 3/32 (2006.01); B27K 3/12 (2006.01)
CPC A01N 59/20 (2013.01) [A01N 25/04 (2013.01); A01N 43/653 (2013.01); A01N 53/00 (2013.01); A01N 59/10 (2013.01); A01N 59/14 (2013.01); B27K 3/163 (2013.01); B27K 3/22 (2013.01); B27K 3/30 (2013.01); B27K 3/32 (2013.01); C09D 5/14 (2013.01); C09D 7/004 (2013.01); B27K 3/12 (2013.01); B27K 2240/20 (2013.01)] 20 Claims
 
1. A composition comprising:
a dispersion of solid particles of a substantially insoluble copper compound;
a boron-containing compound, a fluoride-containing compound, or a combination thereof; and
wherein at least 20% of the particles of the composition comprise particles having particle size greater than 25 microns.