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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:	060390/0207			Pages:	39
		Recorded:	06/20/2022
Conveyance:	RELEASE OF PATENT SECURITY INTERESTS

Total properties: 68

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

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 #:	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 #:	6517748	Issue Dt:	02/11/2003	Application #:	09932904	Filing Dt:	08/20/2001
Publication #:	US20020011593	Pub Dt:	01/31/2002
Title:	PHOSPHATE FREE FIRE RETARDANT COMPOSITION

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 #:	6971212	Issue Dt:	12/06/2005	Application #:	10360008	Filing Dt:	02/06/2003
Title:	BRACE ARM

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 #:	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 #:	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 #:	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 #:	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 #:	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 #:	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 #:	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 #:	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 #:	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 #:	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 #:	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 #:	9328464	Issue Dt:	05/03/2016	Application #:	14025370	Filing Dt:	09/12/2013
Publication #:	US20140076980	Pub Dt:	03/20/2014
Title:	SINGLE BEND RAIL

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 #:	9079328	Issue Dt:	07/14/2015	Application #:	14263568	Filing Dt:	04/28/2014
Publication #:	US20140234648	Pub Dt:	08/21/2014
Title:	MICRONIZED WOOD PRESERVATIVE FORMULATIONS

Patent #:	9669564	Issue Dt:	06/06/2017	Application #:	14328075	Filing Dt:	07/10/2014
Publication #:	US20150352744	Pub Dt:	12/10/2015
Title:	METHODS OF CONFERRING FIRE RETARDANCY TO WOOD AND FIRE-RETARDANT WOOD PRODUCTS

Patent #:	NONE	Issue Dt:		Application #:	14447338	Filing Dt:	07/30/2014
Publication #:	US20150144027	Pub Dt:	05/28/2015
Title:	PARTICULATE WOOD PRESERVATIVE AND METHOD FOR PRODUCING THE SAME

Patent #:	9266251	Issue Dt:	02/23/2016	Application #:	14608800	Filing Dt:	01/29/2015
Publication #:	US20150140326	Pub Dt:	05/21/2015
Title:	COMPOSITIONS AND METHODS FOR TREATING CELLULOSE-BASED MATERIALS WITH MICRONIZED ADDITIVES

Patent #:	9937634	Issue Dt:	04/10/2018	Application #:	14995624	Filing Dt:	01/14/2016
Publication #:	US20160325458	Pub Dt:	11/10/2016
Title:	COMPOSITIONS AND METHODS FOR TREATING CELLULOSE-BASED MATERIALS WITH MICRONIZED ADDITIVES

Patent #:	NONE	Issue Dt:		Application #:	15286082	Filing Dt:	10/05/2016
Publication #:	US20170238549	Pub Dt:	08/24/2017
Title:	MICRONIZED WOOD PRESERVATIVE FORMULATIONS

Patent #:	10500756	Issue Dt:	12/10/2019	Application #:	15314791	Filing Dt:	11/29/2016
Publication #:	US20170120473	Pub Dt:	05/04/2017
Title:	METHODS OF CONFERRING FIRE RETARDANCY TO WOOD AND FIRE-RETARDANT WOOD PRODUCTS

Patent #:	10137595	Issue Dt:	11/27/2018	Application #:	15327534	Filing Dt:	01/19/2017
Publication #:	US20170197329	Pub Dt:	07/13/2017
Title:	WOOD TREATMENT FOR DIMENSIONAL STABILIZATION

Patent #:	NONE	Issue Dt:		Application #:	15335787	Filing Dt:	10/27/2016
Publication #:	US20170217045	Pub Dt:	08/03/2017
Title:	METHODS FOR IMPROVED COPPER PENETRATION IN WOOD

Patent #:	11041274	Issue Dt:	06/22/2021	Application #:	15592792	Filing Dt:	05/11/2017
Publication #:	US20180119362	Pub Dt:	05/03/2018
Title:	Center Supported Bond Joint

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:	01/13/2005
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

Patent #:	D885977	Issue Dt:	06/02/2020	Application #:	29604230	Filing Dt:	05/16/2017
Title:	Anti-Rail Rollover Device

Assignor

PNC BANK, NATIONAL ASSOCIATION

Exec Dt:

06/17/2022

Assignees

KOPPERS 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 UTILITY AND INDUSTRIAL PRODUCTS INC. (F/K/A COX INDUSTRIES, INC.)

237 FORESTRY ROAD

EUTAWVILLE, SOUTH CAROLINA 29048

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

436 SEVENTH AVENUE

PITTSBURGH, PENNSYLVANIA 15219

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

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