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Stephen Rocke Phones & Addresses

  • 2706 Manley Rd, Hortonville, WI 54944 (920) 779-0811
  • Mount Pleasant, MI
  • Appleton, WI
  • Midland, MI

Publications

Us Patents

Alkylation Of Aromatic Compounds To Alkylates Enriched In The Linear Substituted Isomers

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US Patent:
51751356, Dec 29, 1992
Filed:
Apr 22, 1991
Appl. No.:
7/689411
Inventors:
Juan M. Garces - Midland MI
Joseph J. Maj - Midland MI
Stephen C. Rocke - Appleton WI
Assignee:
The Dow Chemical Company - Midland MI
International Classification:
B01J 2918
US Classification:
502 64
Abstract:
Aromatic compounds, such as benzene or biphenyl, are alkylated with an alkylating agent having from one to eight carbons atoms, such as propylene, in the presence of an acidic mordenite zeolite catalyst under conditions sufficient to produce a mixture of substituted aromatic compounds enriched in the linear alkylated isomers, such as p-diisopropylbenzene or p,p'-di(isopropyl)biphenyl, respectively. The novel acidic mordenite catalyst is characterized by its silica/alumina molar ratio, its porosity, and a Symmetry Index. The p,p'-disubstituted isomers of aromatic compounds are useful as monomers in the preparation of thermotropic, liquid crystal polymers.
Stephen C Rocke from Hortonville, WI, age ~64 Get Report