C - Chemistry – Metallurgy – 07 – C
Patent
C - Chemistry, Metallurgy
07
C
260/615.6, 260/6
C07C 323/20 (2006.01) B01J 23/14 (2006.01) C07C 319/06 (2006.01) C07C 319/14 (2006.01) C07C 319/24 (2006.01) C07B 61/00 (2006.01)
Patent
CA 1311497
ABSTRACT In a process for making 2,6-di-tertiarybuyl-4- mercaptophenol by the Zn/acid reduction of bis (3,5-di- tertiarybutyl-4-hydroxyphenyl)polysulfide the addition of catalytic amounts of lead to the zinc reagent results in substantial improvement in the process. C-35,411
549164
Merrell Dow Pharmaceuticals Inc.
Osler Hoskin & Harcourt Llp
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