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Patent Assignment Details

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

Reel/Frame:	006875/0231			Pages:	24
		Recorded:	02/17/1994
Conveyance:	ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).

Total properties: 38

Patent #:	4066737	Issue Dt:		Application #:	05337457	Filing Dt:
Title:

Patent #:	4013520	Issue Dt:		Application #:	05580056	Filing Dt:
Title:

Patent #:	4048056	Issue Dt:		Application #:	05582693	Filing Dt:
Title:

Patent #:	4066159	Issue Dt:		Application #:	05600463	Filing Dt:
Title:

Patent #:	4048020	Issue Dt:		Application #:	05601071	Filing Dt:
Title:

Patent #:	4158101	Issue Dt:		Application #:	05787891	Filing Dt:
Title:

Patent #:	4326669	Issue Dt:	04/27/1982	Application #:	05914180	Filing Dt:	06/09/1978
Title:	LAMINATED WOODEN RAILROAD CROSSITE HAVING EXPOSED END-GRAIN FORMING PART OF THE LOAD BEARING SURFACE

Patent #:	4215229	Issue Dt:		Application #:	05915715	Filing Dt:
Title:

Patent #:	4197190	Issue Dt:	04/08/1980	Application #:	05919223	Filing Dt:	06/26/1978
Title:	PROCESS AND APPARATUS FOR DEHYDRATING TARS AND HYDROCARBON OILS

Patent #:	4231908	Issue Dt:	11/04/1980	Application #:	06014336	Filing Dt:	02/23/1979
Title:	COMPOSITION FOR USE BETWEEN POLYMERIC TIE PLATES AND CROSS TIES

Patent #:	4267390	Issue Dt:	05/12/1981	Application #:	06053195	Filing Dt:	06/29/1979
Title:	PROCESS FOR OBTAINING PARA-CRESOL AND META-CRESOL FROM A MIXTURE OF METHYLATED AND ETHYLATED PHENOLS CHARACTERIZED BY SELECTIVE COMPLEXATION WITH CALCIUM BROMIDE AND SODIUM ACETATE

Patent #:	4267389	Issue Dt:	05/12/1981	Application #:	06053438	Filing Dt:	06/29/1979
Title:	PROCESS FOR SEPARATING PARA-CRESOL FROM A MIXTURE OF METHYLATED AND ETHYLATED PHENOLS

Patent #:	4267391	Issue Dt:	05/12/1981	Application #:	06053531	Filing Dt:	06/29/1979
Title:	PROCESS FOR OBTAINING PARA-CRESOL AND META-CRESOL FROM A MIXTURE OF METHYLATED AND ETHYLATED PHENOLS CHARACTERIZED BY UREA CLATHRATION OF METAL CRESOL

Patent #:	4267392	Issue Dt:	05/12/1981	Application #:	06053532	Filing Dt:	06/29/1979
Title:	PROCESS FOR OBTAINING PARA-CRESOL AND META-CRESOL FROM A MIXTURE OF METHYLATED AND ETHYLATED PHENOLS CONTAINING META-PARA-CRESOL

Patent #:	4275246	Issue Dt:	06/23/1981	Application #:	06053968	Filing Dt:	07/02/1979
Title:	SEPARATION OF PHENOLS

Patent #:	4326421	Issue Dt:	04/27/1982	Application #:	06115094	Filing Dt:	01/24/1980
Title:	CONTINUOUS PROOFLOADER

Patent #:	4299511	Issue Dt:	11/10/1981	Application #:	06134560	Filing Dt:	03/27/1980
Title:	CONNECTOR AND IMPERFORATE REINFORCEMENT PLATES IN COMBINATION

Patent #:	4742663	Issue Dt:	05/10/1988	Application #:	06261593	Filing Dt:	05/07/1981
Title:	CONCEALED LOAD DISTRIBUTION MEANS FOR WOODEN BEAMS

Patent #:	4374756	Issue Dt:	02/22/1983	Application #:	06300710	Filing Dt:	09/09/1981
Title:	VANADIUM-HYDROGEN-PHOSPHORUS-OXYGEN CATALYTIC MATERIAL

Patent #:	4389336	Issue Dt:	06/21/1983	Application #:	06303169	Filing Dt:	09/17/1981
Title:	PREPARATION OF NAPHTHALENE-OXIDATION CATALYST BY IMPREGNATION OF SILICA WITH AQUEOUS SOLUTION OF VOC2O4 -K2SO4 -KHSO4

Patent #:	4367360	Issue Dt:	01/04/1983	Application #:	06303543	Filing Dt:	09/18/1981
Title:	METHOD FOR PRODUCT ISOLATION AND CATALYST RECOVERY IN ALUMINUM CHLORIDE CATALYZED ISOMERIZATION OF SYM-OCTAHYDROPHENANTHRENE TO SYM- OCTAHYDROANTHRACENE

Patent #:	4385194	Issue Dt:	05/24/1983	Application #:	06355176	Filing Dt:	03/05/1982
Title:	METHOD FOR PROMOTING ALUMINUM CHLORIDE CATALYZED ISOMERIZATION OF SYM-OCTAHYDROPHENANTHRENE TO SYM -OCTAHYDROANTHRACENE WITH ARALKYL HALIDE

Patent #:	4384156	Issue Dt:	05/17/1983	Application #:	06355177	Filing Dt:	03/05/1982
Title:	NETHOD FOR PROMOTING ALUMINUM CHLORIDE CATALYZED ISOMERIZATION OF SYM -OCTAHYDROPHENANTHRENE TO SYM-OCTAHYDROANTHRACENE WITH AROYL HALIDE

Patent #:	4376223	Issue Dt:	03/08/1983	Application #:	06372057	Filing Dt:	04/26/1982
Title:	METHOD FOR PROMOTING ALUMINUM CHLORIDE CATALYZED ISOMERIZATION OF SYM OCTAHYDROPHENANTHRENE TO SYM-OCTAHYDROANTHRACENE WITH ARYL PHENONE

Patent #:	4376224	Issue Dt:	03/08/1983	Application #:	06372059	Filing Dt:	04/26/1982
Title:	ALUMINUM CHLORIDE CATALYZED ISOMERIZATION OF SYM-OCTAHYDROPHENANTHRENE TO SYM-OCTAHDROANTHRACENE WITH ACYL PEROXIDE

Patent #:	4429170	Issue Dt:	01/31/1984	Application #:	06398068	Filing Dt:	07/14/1982
Title:	PROCESS FOR REMOVING TAR BASES FROM LURGI TAR ACID STREAM

Patent #:	4443636	Issue Dt:	04/17/1984	Application #:	06398074	Filing Dt:	07/14/1982
Title:	REFINING LURGI TAR ACIDS

Patent #:	4482643	Issue Dt:	11/13/1984	Application #:	06401829	Filing Dt:	07/26/1982
Title:	PREPARATION OF CRYSTALLINE TIO2 AS ANATASE AND/OR RUTILE IN POROUS CARRIERS

Patent #:	4460784	Issue Dt:	07/17/1984	Application #:	06415273	Filing Dt:	09/07/1982
Title:	FLUID-BED CATALYSTIS PROCESS FOR MAKING MALEIC ANHYDRIDE

Patent #:	4447658	Issue Dt:	05/08/1984	Application #:	06431651	Filing Dt:	09/30/1982
Title:	PROCESS FOR SEPARATING 3,5-XYLENOL OR 3,4-XYLENOL FROM OTHER POLYMETHYLATED PHENOLIC COMPOUNDS

Patent #:	4480140	Issue Dt:	10/30/1984	Application #:	06475719	Filing Dt:	03/16/1983
Title:	PROCESS FOR ALKYLATING PHENOLIC COMPOUNDS TO PRODUCE ORTHO OR PARA-MONOALKYLATED OR 2,4- OR 2,6-DIALKYLATED PHENOLS

Patent #:	4475001	Issue Dt:	10/02/1984	Application #:	06476060	Filing Dt:	03/17/1983
Title:	PROCESS FOR ALKYLATING PHENOLIC COMPOUNDS TO PRODUCE ORTHO- OR PARA- MONOALKYLATED PHENOLS OR 2,4- OR 2,6-DIALKYLATED PHENOLS

Patent #:	4456763	Issue Dt:	06/26/1984	Application #:	06478739	Filing Dt:	03/25/1983
Title:	PREPARATION OF NAPHTHALENE-OXIDATION CATALYST BY IMPREGNATION OF SILICA WITH AQUEOUS SOLUTION OF VOC2O4-K2SO4-KHSO4

Patent #:	4499312	Issue Dt:	02/12/1985	Application #:	06582082	Filing Dt:	02/21/1984
Title:	COMPLEX FORMED TO SEPARATE 3,5-XYLENOL OR 3,4-XYLENOL FROM OTHER POLYMETHYLATED PHENOLIC COMPOUNDS

Patent #:	4679658	Issue Dt:	07/14/1987	Application #:	06751872	Filing Dt:	07/05/1985
Title:	GAFF

Patent #:	4732320	Issue Dt:	03/22/1988	Application #:	06863416	Filing Dt:	05/15/1986
Title:	RAILROAD GRADE CROSSING WITH TRANSVERSE SECURING SPLINES

Patent #:	4892249	Issue Dt:	01/09/1990	Application #:	07170527	Filing Dt:	03/21/1988
Title:	RAILROAD GRADE CROSSING WITH IMPROVED TRANSVERSE SPLINE AND ANCHORING ASSEMBLY

Patent #:	4899932	Issue Dt:	02/13/1990	Application #:	07183055	Filing Dt:	04/19/1988
Title:	CAPPED HIGHWAY GRADE CROSSING

Assignor

MELLON BANK, N.A.

Exec Dt:

02/10/1994

Assignee

KOPPERS INDUSTRIES, INC.

436 SEVENTH AVENUE

PITTSBURGH, PENNSYLVANIA 15219

Correspondence name and address
	HENRY E. BARTONY, JR.
	REED SMITH SHAW & MCCLAY
	P.O. BOX 2009
	435 SIXTH AVENUE
	PITTSBURGH, PA 15230

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