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Patent Assignment Abstract of Title
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Total Assignments: 3
Patent #:
Issue Dt:
05/26/1998
Application #:
08783770
Filing Dt:
01/15/1997
Inventors:
CLAUS-PETER HEROLD, HEINZ MUELLER, STEPHAN VON TAPAVIZCA, MALCOLM ELLICE et al
Title:
WASTE DISPOSAL OF CONTAMINATED DRILL CUTTINGS FROM GEOLOGICAL DRILLINGUSING DRILLING FLUID SYSTEMS CONTAINING MINERAL OIL
Assignment: 1
Reel/Frame:
014815/0069Recorded: 07/02/2004Pages: 3
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor:
Exec Dt:
06/11/2004
Assignee:
HENKELSTRASSE 67
DUESSELDORF, GERMANY 40589
Correspondent:
COGNIS CORPORATION
AARON R. ETTELMAN
300 BROOKSIDE AVENUE
PATENT DEPARTMENT
AMBLER, PA 19002
Assignment: 2
Reel/Frame:
025766/0308Recorded: 02/08/2011Pages: 12
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor:
Exec Dt:
12/21/2005
Assignee:
HENKELSTRASSE 67
DUESSELDORF, GERMANY 40589
Correspondent:
DIEHL SERVILLA LLC
33 WOOD AVENUE SOUTH
SECOND FLOOR, SUITE 210
ISELIN, NEW JERSEY 08830
Assignment: 3
Reel/Frame:
025766/0142Recorded: 02/08/2011Pages: 7
Conveyance:
CHANGE OF NAME (SEE DOCUMENT FOR DETAILS).
Assignor:
Exec Dt:
05/12/2009
Assignee:
HENKELSTRASSE 67
DUESSELDORF, GERMANY 40589
Correspondent:
DIEHL SERVILLA LLC
33 WOOD AVENUE SOUTH
SECOND FLOOR, SUITE 210
ISELIN, NEW JERSEY 08830

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