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: | 011828/0434 | |
| Pages: | 7 |
| | Recorded: | 05/22/2001 | | |
| Conveyance: | DONATION AGREEMENT |
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Total properties:
4
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Patent #:
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Issue Dt:
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04/24/1984
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Application #:
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06032001
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Filing Dt:
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04/20/1979
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Title:
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METHYLATION OF TOLUENE TO PARA-XYLENE CATALYZED BY CRYSTALLINE SILICA
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Patent #:
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Issue Dt:
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06/05/1984
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Application #:
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06417683
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Filing Dt:
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09/13/1982
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Title:
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PROCESS FOR COATING CRYSTALLINE SILICA POLYMORPHS
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Patent #:
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Issue Dt:
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06/27/1989
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Application #:
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07174944
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Filing Dt:
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03/29/1988
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Title:
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PREPARATION OF PROMOTED SILICA CATALYSTS
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Patent #:
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Issue Dt:
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06/19/1990
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Application #:
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07325612
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Filing Dt:
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03/13/1989
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Title:
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PREPARATION OF PARA-XYLENE BY TOLUENE METHYLATION
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Assignee
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| 4800 CALHOUN ROAD |
| HOUSTON, TEXAS 77204 |
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Correspondence name and address
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JACKSON WALKER, LLP
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WILLIAM B. NASH
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112 E. PECAN
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SUITE 2100
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SAN ANTONIO, TEXAS 78205
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