Patent Assignment Details
NOTE:Results display only for issued patents and published applications.
For pending or abandoned applications please consult USPTO staff.
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| Reel/Frame: | 021773/0306 | |
| Pages: | 43 |
| | Recorded: | 11/03/2008 | | |
| Attorney Dkt #: | 0011046-301220 |
| Conveyance: | AMENDED AND RESTATED PATENT, TRADEMARK AND COPYRIGHT SECURITY AGREEMENT |
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Total properties:
7
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Patent #:
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Issue Dt:
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09/22/1992
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Application #:
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07704754
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Filing Dt:
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05/23/1991
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Title:
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CREOSOTE FILTRATION SYSTEM WITH A SHELL AND TUBE TYPE FILTRATION DEVICE
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Patent #:
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Issue Dt:
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11/30/1993
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Application #:
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07832425
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Filing Dt:
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02/07/1992
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Title:
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PROCESS FOR INCREASING PITCH YIELD FROM COAL TAR
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Patent #:
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Issue Dt:
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07/09/1996
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Application #:
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08156240
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Filing Dt:
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11/23/1993
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Title:
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LOW PAH PITCH AND PROCESS FOR SAME
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Patent #:
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Issue Dt:
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05/05/1998
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Application #:
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08513329
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Filing Dt:
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08/10/1995
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Title:
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COAL TAR PITCH BLEND HAVING LOW POLYCYCLIC AROMATIC HYDROCARBON CONTENT AND METHOD OF MAKING THEREOF
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Patent #:
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Issue Dt:
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04/25/2006
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Application #:
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09853372
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Filing Dt:
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05/11/2001
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Publication #:
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Pub Dt:
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12/12/2002
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Title:
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COAL TAR AND HYDROCARBON MIXTURE PITCH PRODUCTION USING A HIGH EFFICIENCY EVAPORATIVE DISTILLATION PROCESS
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Patent #:
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Issue Dt:
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06/27/2006
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Application #:
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10476017
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Filing Dt:
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03/25/2004
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Publication #:
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Pub Dt:
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09/02/2004
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Title:
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COAL TAR AND HYDROCARBON MIXTURE PITCH AND THE PREPARATION AND USE THEREOF
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Patent #:
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Issue Dt:
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12/16/2008
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Application #:
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11388238
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Filing Dt:
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03/22/2006
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Publication #:
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Pub Dt:
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10/19/2006
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Title:
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COAL TAR AND HYDROCARBON MIXTURE PITCH AND THE PREPARATION AND USE THEREOF
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Assignee
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| 249 FIFTH AVENUE |
| PITTSBURGH, PENNSYLVANIA 15222 |
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Correspondence name and address
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MICHAEL L. DEVER
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301 GRANT STREET
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20TH FLOOR
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PITTSBURGH, PA 15219
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