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Class Information
Number: 568/786
Name: Organic compounds -- part of the class 532-570 series > Organic compounds (class 532, subclass 1) > Oxygen containing (e.g., perchlorylbenzene, etc.) > Hydroxy containing (h of -oh may be replaced by a group ia or iia light metal) > Benzene ring containing > Phenols (h of -oh may be replaced by a group ia or iia light metal) > Acyclic polycarbon hydrocarbyl group bonded directly to the benzene ring > Tertiary butyl group > Preparing by catalytic alkylation > Silicon containing catalyst
Description: Processes wherein the catalyst contains silicon in any form.

Patents under this class:

Patent Number Title Of Patent Date Issued
7692047 Process for the alkylation of phenols Apr. 6, 2010
6670513 Process for producing alkylated hydroxyl-containing aromatic compounds Dec. 30, 2003
5288927 Para-selective butylation of phenol over fairly large-pore zeolites Feb. 22, 1994
5243116 Alkylation of aromatic compounds Sep. 7, 1993
5175375 Selective ortho propylation of phenol over large pore zeolite Dec. 29, 1992
5098945 2,4-dimethyl-6-s-alkylphenols Mar. 24, 1992
4359591 Process for the o-substitution of phenols Nov. 16, 1982
4283573 Long-chain alkylphenols Aug. 11, 1981

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