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NOTE:Results display only for issued patents and published applications. For pending or abandoned applications please consult USPTO staff.

Reel/Frame:	060448/0192			Pages:	38
		Recorded:	06/28/2022
Conveyance:	RELEASE (REEL 033591 / FRAME 0020)

Total properties: 82

Patent #:	5534134	Issue Dt:	07/09/1996	Application #:	08156240	Filing Dt:	11/23/1993
Title:	LOW PAH PITCH AND PROCESS FOR SAME

Patent #:	5343606	Issue Dt:	09/06/1994	Application #:	08207118	Filing Dt:	02/28/1994
Title:	CROSS-TIE PRE-PLATING SYSTEM

Patent #:	5503331	Issue Dt:	04/02/1996	Application #:	08246596	Filing Dt:	05/20/1994
Title:	INSULATED RAIL JOINT INCORPORATING SPACER-IMPREGNATED ADHESIVE AND METHOD FOR BONDING INSULATED RAIL JOINTS

Patent #:	5528807	Issue Dt:	06/25/1996	Application #:	08300749	Filing Dt:	09/06/1994
Title:	CROSS-TIE PRE-PLATING SYSTEM

Patent #:	5746906	Issue Dt:	05/05/1998	Application #:	08513329	Filing Dt:	08/10/1995
Title:	COAL TAR PITCH BLEND HAVING LOW POLYCYCLIC AROMATIC HYDROCARBON CONTENT AND METHOD OF MAKING THEREOF

Patent #:	5813103	Issue Dt:	09/29/1998	Application #:	08665670	Filing Dt:	06/20/1996
Title:	CROSS-TIE PRE-PLATING SYSTEM

Patent #:	6170756	Issue Dt:	01/09/2001	Application #:	09089958	Filing Dt:	06/03/1998
Title:	GAUGE PLATE AND SWITCH ROD INSULATORS

Patent #:	6119327	Issue Dt:	09/19/2000	Application #:	09161135	Filing Dt:	09/25/1998
Title:	CROSS-TIE PRE-PLATING SYSTEM

Patent #:	6131272	Issue Dt:	10/17/2000	Application #:	09273600	Filing Dt:	03/22/1999
Title:	CROSS-TIE PRE-PLATING SYSTEM

Patent #:	6306317	Issue Dt:	10/23/2001	Application #:	09577743	Filing Dt:	05/23/2000
Title:	Phosphate free fire retardant composition

Patent #:	6720313	Issue Dt:	04/13/2004	Application #:	09688693	Filing Dt:	10/17/2000
Title:	BIOCIDAL COMPOSITION CONTAINING PHOSPHITE IONS

Patent #:	6543118	Issue Dt:	04/08/2003	Application #:	09689330	Filing Dt:	10/12/2000
Title:	CROSS-TIE PRE-PLATING SYSTEM

Patent #:	6305614	Issue Dt:	10/23/2001	Application #:	09723354	Filing Dt:	11/27/2000
Title:	Gauge plate and switch rod insulators

Patent #:	7033485	Issue Dt:	04/25/2006	Application #:	09853372	Filing Dt:	05/11/2001
Publication #:	US20020185411	Pub Dt:	12/12/2002
Title:	COAL TAR AND HYDROCARBON MIXTURE PITCH PRODUCTION USING A HIGH EFFICIENCY EVAPORATIVE DISTILLATION PROCESS

Patent #:	6422479	Issue Dt:	07/23/2002	Application #:	09941010	Filing Dt:	08/28/2001
Publication #:	US20020027167	Pub Dt:	03/07/2002
Title:	GAUGE PLATE AND SWITCH ROD INSULATORS

Patent #:	6646147	Issue Dt:	11/11/2003	Application #:	10074251	Filing Dt:	02/14/2002
Publication #:	US20030162986	Pub Dt:	08/28/2003
Title:	PROCESS FOR THE DISSOLUTION OF COPPER METAL

Patent #:	7066997	Issue Dt:	06/27/2006	Application #:	10476017	Filing Dt:	03/25/2004
Publication #:	US20040168612	Pub Dt:	09/02/2004
Title:	COAL TAR AND HYDROCARBON MIXTURE PITCH AND THE PREPARATION AND USE THEREOF

Patent #:	8425980	Issue Dt:	04/23/2013	Application #:	10539685	Filing Dt:	08/09/2006
Publication #:	US20070020189	Pub Dt:	01/25/2007
Title:	METHOD OF DELIVERING COMPOSITIONS TO SUBSTRATES

Patent #:	7252706	Issue Dt:	08/07/2007	Application #:	10545605	Filing Dt:	08/16/2005
Publication #:	US20060162611	Pub Dt:	07/27/2006
Title:	INHIBITION OF CALCIUM AND MAGNESIUM PRECIPITATION FROM WOOD PRESERVATIES

Patent #:	NONE	Issue Dt:		Application #:	10580160	Filing Dt:	03/13/2007
Publication #:	US20080022548	Pub Dt:	01/31/2008
Title:	Treatment Process

Patent #:	NONE	Issue Dt:		Application #:	10580160	Filing Dt:	03/13/2007
Publication #:	US20080022548	Pub Dt:	01/31/2008			PCT #:	NZ2004000295
Title:	Treatment Process

Patent #:	6905531	Issue Dt:	06/14/2005	Application #:	10660795	Filing Dt:	09/12/2003
Publication #:	US20050034563	Pub Dt:	02/17/2005
Title:	PROCESS FOR THE DISSOLUTION OF COPPER METAL

Patent #:	6905532	Issue Dt:	06/14/2005	Application #:	10704155	Filing Dt:	11/10/2003
Publication #:	US20040191143	Pub Dt:	09/30/2004
Title:	PROCESS FOR THE DISSOLUTION OF COPPER METAL

Patent #:	7674481	Issue Dt:	03/09/2010	Application #:	10821326	Filing Dt:	04/09/2004
Publication #:	US20040258767	Pub Dt:	12/23/2004
Title:	MICRONIZED WOOD PRESERVATIVE FORMULATIONS

Patent #:	7090143	Issue Dt:	08/15/2006	Application #:	10838172	Filing Dt:	05/03/2004
Publication #:	US20050098646	Pub Dt:	05/12/2005
Title:	RAIL JOINT BARS AND RAIL JOINT ASSEMBLIES

Patent #:	7097112	Issue Dt:	08/29/2006	Application #:	10838173	Filing Dt:	05/03/2004
Publication #:	US20050098647	Pub Dt:	05/12/2005
Title:	PROFILED BAR

Patent #:	7316738	Issue Dt:	01/08/2008	Application #:	10961155	Filing Dt:	10/12/2004
Publication #:	US20060075921	Pub Dt:	04/13/2006
Title:	MILLED SUBMICRON CHLOROTHALONIL WITH NARROW PARTICLE SIZE DISTRIBUTION, AND USES THEREOF

Patent #:	7426948	Issue Dt:	09/23/2008	Application #:	10961157	Filing Dt:	10/12/2004
Publication #:	US20060086841	Pub Dt:	04/27/2006
Title:	MILLED SUBMICRON ORGANIC BIOCIDES WITH NARROW PARTICLE SIZE DISTRIBUTION, AND USES THEREOF

Patent #:	NONE	Issue Dt:		Application #:	10961206	Filing Dt:	10/12/2004
Publication #:	US20050252408	Pub Dt:	11/17/2005
Title:	Particulate wood preservative and method for producing same

Patent #:	8747908	Issue Dt:	06/10/2014	Application #:	10970446	Filing Dt:	10/21/2004
Publication #:	US20050118280	Pub Dt:	06/02/2005
Title:	MICRONIZED WOOD PRESERVATIVE FORMULATIONS

Patent #:	NONE	Issue Dt:		Application #:	11009042	Filing Dt:	12/13/2004
Publication #:	US20060062926	Pub Dt:	03/23/2006
Title:	Use of sub-micron copper salt particles in wood preservation

Patent #:	7476371	Issue Dt:	01/13/2009	Application #:	11046804	Filing Dt:	02/01/2005
Publication #:	US20050130866	Pub Dt:	06/16/2005
Title:	DISSOLUTION OF COPPER METAL IN AQUEOUS ALKANOLAMINE TO FORM COPPER CONTAINING AQUEOUS SOLUTION

Patent #:	7238654	Issue Dt:	07/03/2007	Application #:	11053437	Filing Dt:	02/09/2005
Publication #:	US20050256026	Pub Dt:	11/17/2005
Title:	COMPATIBILIZING SURFACTANT USEFUL WITH SLURRIES OF COPPER PARTICLES

Patent #:	NONE	Issue Dt:		Application #:	11243640	Filing Dt:	10/05/2005
Publication #:	US20060112850	Pub Dt:	06/01/2006
Title:	Micronized wood preservative formulations in organic carriers

Patent #:	7261244	Issue Dt:	08/28/2007	Application #:	11269160	Filing Dt:	11/07/2005
Publication #:	US20060118649	Pub Dt:	06/08/2006
Title:	TIE PLATE

Patent #:	7975933	Issue Dt:	07/12/2011	Application #:	11375372	Filing Dt:	03/14/2006
Publication #:	US20060243818	Pub Dt:	11/02/2006
Title:	METHOD AND ARRANGEMENT TO INSULATE RAIL ENDS

Patent #:	7465387	Issue Dt:	12/16/2008	Application #:	11388238	Filing Dt:	03/22/2006
Publication #:	US20060230982	Pub Dt:	10/19/2006
Title:	COAL TAR AND HYDROCARBON MIXTURE PITCH AND THE PREPARATION AND USE THEREOF

Patent #:	7411080	Issue Dt:	08/12/2008	Application #:	11436528	Filing Dt:	05/19/2006
Publication #:	US20070269362	Pub Dt:	11/22/2007
Title:	DIRECT SYNTHESIS OF COPPER CARBONATE

Patent #:	7544423	Issue Dt:	06/09/2009	Application #:	11467368	Filing Dt:	08/25/2006
Publication #:	US20070044911	Pub Dt:	03/01/2007
Title:	LAYERED WOOD COMPOSITES

Patent #:	7490781	Issue Dt:	02/17/2009	Application #:	11503865	Filing Dt:	08/14/2006
Publication #:	US20070034706	Pub Dt:	02/15/2007
Title:	RAIL JOINT BARS AND RAIL JOINT ASSEMBLIES

Patent #:	8637089	Issue Dt:	01/28/2014	Application #:	11526765	Filing Dt:	09/26/2006
Publication #:	US20070193473	Pub Dt:	08/23/2007
Title:	MICRONIZED WOOD PRESERVATIVE FORMULATIONS

Patent #:	NONE	Issue Dt:		Application #:	11816793	Filing Dt:	03/11/2009
Publication #:	US20090280345	Pub Dt:	11/12/2009
Title:	COMPOSITIONS FOR USE IN TREATING ORGANIC SUBSTANCES

Patent #:	NONE	Issue Dt:		Application #:	11816793	Filing Dt:	03/11/2009
Publication #:	US20090280345	Pub Dt:	11/12/2009			PCT #:	NZ2006000027
Title:	COMPOSITIONS FOR USE IN TREATING ORGANIC SUBSTANCES

Patent #:	7632567	Issue Dt:	12/15/2009	Application #:	11849082	Filing Dt:	08/31/2007
Title:	MICRONIZED WOOD PRESERVATIVE FORMULATIONS COMPRISING COPPER AND ZINC

Patent #:	7666254	Issue Dt:	02/23/2010	Application #:	11894373	Filing Dt:	08/20/2007
Title:	BORATE COMPOSITIONS FOR WOOD PRESERVATION

Patent #:	8113441	Issue Dt:	02/14/2012	Application #:	11900635	Filing Dt:	09/12/2007
Publication #:	US20080083836	Pub Dt:	04/10/2008
Title:	LAP JOINT

Patent #:	NONE	Issue Dt:		Application #:	11970308	Filing Dt:	01/07/2008
Publication #:	US20080213608	Pub Dt:	09/04/2008
Title:	Milled Submicron Chlorothalonil With Narrow Particle Size Distribution, and Uses Thereof

Patent #:	NONE	Issue Dt:		Application #:	12071707	Filing Dt:	02/25/2008
Publication #:	US20090162410	Pub Dt:	06/25/2009
Title:	Process for preparing fine particle dispersion for wood preservation

Patent #:	NONE	Issue Dt:		Application #:	12083235	Filing Dt:	07/27/2009
Publication #:	US20090297871	Pub Dt:	12/03/2009
Title:	Wood Impregnation

Patent #:	8778407	Issue Dt:	07/15/2014	Application #:	12153166	Filing Dt:	05/14/2008
Publication #:	US20080286380	Pub Dt:	11/20/2008
Title:	MICRONIZED WOOD PRESERVATIVE FORMULATIONS

Patent #:	NONE	Issue Dt:		Application #:	12153167	Filing Dt:	05/14/2008
Publication #:	US20080210121	Pub Dt:	09/04/2008
Title:	Micronized wood preservative formulations

Patent #:	8042747	Issue Dt:	10/25/2011	Application #:	12199915	Filing Dt:	08/28/2008
Publication #:	US20090108086	Pub Dt:	04/30/2009
Title:	NOTCHED TIE PLATE INSULATOR

Patent #:	8158208	Issue Dt:	04/17/2012	Application #:	12209653	Filing Dt:	09/12/2008
Publication #:	US20090123505	Pub Dt:	05/14/2009
Title:	METHOD OF PRESERVING WOOD BY INJECTING PARTICULATE WOOD PRESERVATIVE SLURRY

Patent #:	8747909	Issue Dt:	06/10/2014	Application #:	12213529	Filing Dt:	06/20/2008
Publication #:	US20080260841	Pub Dt:	10/23/2008
Title:	Micronized wood preservative formulations

Patent #:	8460759	Issue Dt:	06/11/2013	Application #:	12240995	Filing Dt:	09/29/2008
Publication #:	US20090035564	Pub Dt:	02/05/2009
Title:	Micronized Wood Preservative Formulations

Patent #:	NONE	Issue Dt:		Application #:	12349834	Filing Dt:	01/07/2009
Publication #:	US20090223408	Pub Dt:	09/10/2009
Title:	Use of Sub-Micron Copper Salt Particles in Wood Preservation

Patent #:	8123144	Issue Dt:	02/28/2012	Application #:	12353269	Filing Dt:	01/14/2009
Publication #:	US20090121037	Pub Dt:	05/14/2009
Title:	RAIL JOINT BARS AND RAIL JOINT ASSEMBLIES

Patent #:	8409627	Issue Dt:	04/02/2013	Application #:	12458522	Filing Dt:	07/15/2009
Publication #:	US20090280185	Pub Dt:	11/12/2009
Title:	Particulate wood preservative and method for producing the same

Patent #:	8182928	Issue Dt:	05/22/2012	Application #:	12473394	Filing Dt:	05/28/2009
Publication #:	US20090239090	Pub Dt:	09/24/2009
Title:	LAYERED WOOD COMPOSITES

Patent #:	8168304	Issue Dt:	05/01/2012	Application #:	12691707	Filing Dt:	01/21/2010
Publication #:	US20100183868	Pub Dt:	07/22/2010
Title:	MICRONIZED WOOD PRESERVATIVE FORMULATIONS COMPRISING BORON COMPOUNDS

Patent #:	8302878	Issue Dt:	11/06/2012	Application #:	13037483	Filing Dt:	03/01/2011
Publication #:	US20110147474	Pub Dt:	06/23/2011
Title:	METHOD AND ARRANGEMENT TO INSULATE RAIL ENDS

Patent #:	8603576	Issue Dt:	12/10/2013	Application #:	13074170	Filing Dt:	03/29/2011
Publication #:	US20110236707	Pub Dt:	09/29/2011
Title:	Compositions and Methods for Treating Cellulose Based Materials with Micronized Additives

Patent #:	9775350	Issue Dt:	10/03/2017	Application #:	13161772	Filing Dt:	06/16/2011
Publication #:	US20110250358	Pub Dt:	10/13/2011
Title:	MICRONIZED WOOD PRESERVATIVE FORMULATIONS IN ORGANIC CARRIERS

Patent #:	8763272	Issue Dt:	07/01/2014	Application #:	13266687	Filing Dt:	10/27/2011
Publication #:	US20120042535	Pub Dt:	02/23/2012
Title:	SOLVENT RECOVERY

Patent #:	NONE	Issue Dt:	07/01/2014	Application #:	13266687	Filing Dt:	10/27/2011
Publication #:	US20120042535	Pub Dt:	02/23/2012			PCT #:	NZ2010000080
Title:	SOLVENT RECOVERY

Patent #:	8431236	Issue Dt:	04/30/2013	Application #:	13347846	Filing Dt:	01/11/2012
Publication #:	US20120183798	Pub Dt:	07/19/2012
Title:	LAYERED WOOD COMPOSITES

Patent #:	8777121	Issue Dt:	07/15/2014	Application #:	13350886	Filing Dt:	01/16/2012
Publication #:	US20120111958	Pub Dt:	05/10/2012
Title:	Lap Joint

Patent #:	8722198	Issue Dt:	05/13/2014	Application #:	13446373	Filing Dt:	04/13/2012
Publication #:	US20130164362	Pub Dt:	06/27/2013
Title:	METHOD OF PRESERVING WOOD BY INJECTING PARTICULATE WOOD PRESERVATIVE SLURRY

Patent #:	NONE	Issue Dt:		Application #:	13473074	Filing Dt:	05/16/2012
Publication #:	US20120223151	Pub Dt:	09/06/2012
Title:	Center Supported Bond Joint

Patent #:	NONE	Issue Dt:		Application #:	13498185	Filing Dt:	10/01/2012
Publication #:	US20130022829	Pub Dt:	01/24/2013
Title:	OIL BORNE WOOD PRESERVING COMPOSITION FOR TREATMENT OF POLES, POSTS, PILING, CROSSTIES AND OTHER WOODED STRUCTURES

Patent #:	9103074	Issue Dt:	08/11/2015	Application #:	13723264	Filing Dt:	12/21/2012
Title:	Modular Insulated Tie Plate

Patent #:	8871277	Issue Dt:	10/28/2014	Application #:	13777649	Filing Dt:	02/26/2013
Publication #:	US20130230575	Pub Dt:	09/05/2013
Title:	PARTICULATE WOOD PRESERVATIVE AND METHOD FOR PRODUCING THE SAME

Patent #:	NONE	Issue Dt:		Application #:	13813001	Filing Dt:	01/29/2013
Publication #:	US20130136849	Pub Dt:	05/30/2013
Title:	SUB-MICRON COMPOSITIONS

Patent #:	NONE	Issue Dt:		Application #:	13813001	Filing Dt:	01/29/2013
Publication #:	US20130136849	Pub Dt:	05/30/2013			PCT #:	NZ2011000146
Title:	SUB-MICRON COMPOSITIONS

Patent #:	NONE	Issue Dt:		Application #:	13828303	Filing Dt:	03/14/2013
Publication #:	US20140266255	Pub Dt:	09/18/2014
Title:	AUTOMATED PROFILING OF THE DIELECTRIC BEHAVIOR OF WOOD

Patent #:	9023428	Issue Dt:	05/05/2015	Application #:	13861648	Filing Dt:	04/12/2013
Publication #:	US20130230668	Pub Dt:	09/05/2013
Title:	Method Of Delivering Compositions To Substrates

Patent #:	9510599	Issue Dt:	12/06/2016	Application #:	13950773	Filing Dt:	07/25/2013
Publication #:	US20150030501	Pub Dt:	01/29/2015
Title:	DAZOMET COMPOSITIONS

Patent #:	8974854	Issue Dt:	03/10/2015	Application #:	14069651	Filing Dt:	11/01/2013
Publication #:	US20140193634	Pub Dt:	07/10/2014
Title:	COMPOSITIONS AND METHODS FOR TREATING CELLULOSE-BASED MATERIALS WITH MICRONIZED ADDITIVES

Patent #:	9314030	Issue Dt:	04/19/2016	Application #:	14226484	Filing Dt:	03/26/2014
Publication #:	US20150056258	Pub Dt:	02/26/2015
Title:	PARTICULATE WOOD PRESERVATIVE AND METHOD FOR PRODUCING SAME

Patent #:	D497326	Issue Dt:	10/19/2004	Application #:	29181073	Filing Dt:	05/02/2003
Title:	PROFILED BAR

Patent #:	D576023	Issue Dt:	09/02/2008	Application #:	29221351	Filing Dt:	01/13/2012
Title:	CENTER SUPPORTED BOND JOINT

Patent #:	D547642	Issue Dt:	07/31/2007	Application #:	29236399	Filing Dt:	08/15/2005
Title:	WRAP-AROUND JOINT BAR SLEEVE INSULATOR

Assignor

WELLS FARGO BANK, NATIONAL ASSOCIATION

Exec Dt:

06/27/2022

Assignees

KOPPERS DELAWARE, INC. (F/K/A KOPPERS INDUSTRIES OF DELAWARE, INC.)

436 SEVENTH AVENUE

PITTSBURGH, PENNSYLVANIA 15219

KOPPERS PERFORMANCE CHEMICALS INC. (F/K/A OSMOSE, INC.)

1016 EVEREE INN ROAD

GRIFFIN, GEORGIA 30224

KOPPERS INC. (F/K/A KOPPERS INDUSTRIES, INC)

436 SEVENTH AVENUE

PITTSBURGH, PENNSYLVANIA 15219

KOPPERS PERFORMANCE CHEMICALS NEW ZEALAND LIMITED (F/K/A OSMOSE NEW ZEALAND)

14 MAYO ROAD

WIRI, AUCKLAND, NEW ZEALAND

OSMOSE UTILITIES SERVICES, INC.

635 HIGHWAY 74 SOUTH

PEACHTREE CITY, GEORGIA 30269

Correspondence name and address
	CT CORPORATION
	4400 EASTON COMMONS WAY
	SUITE 125
	COLUMBUS, OH 43219

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