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Roger C. Johnson
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Randolph, NJ, US
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last 30 patents
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Patent Grant
Transalkylation of benzene in a moving bed
Patent number
5,087,783
Issue date
Feb 11, 1992
Lummus Crest, Inc.
Roger C. Johnson
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Manufacture of alkylbenzenes
Patent number
5,003,119
Issue date
Mar 26, 1991
Lummus Crest, Inc.
Helion H. Sardina
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Alkylation of benzene in a moving bed
Patent number
4,973,780
Issue date
Nov 27, 1990
Lummus Crest, Inc.
Roger C. Johnson
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Method for preventing the undesirable condensation of aluminum chlo...
Patent number
4,385,964
Issue date
May 31, 1983
Aluminum Company of America
Roger C. Johnson
C01 - INORGANIC CHEMISTRY