C - Chemistry – Metallurgy – 07 – C
Patent
C - Chemistry, Metallurgy
07
C
260/616.7
C07C 47/04 (2006.01) C07C 31/04 (2006.01) C07C 39/06 (2006.01)
Patent
CA 1104588
Le A 17 646 A process for the production of colourles bis-(3,5-di-tert.-butyl-4-hydroxybenzyl)-sulphide Abstract of the Disclosure Process for producing a colourless bis-(3,5-di-tert.-butyl- 4-hydroxybenzyl)sulphide which comprises reaching 2,6 di-tert.- butylphenol with formaldehyde and sodium sulphide in an alco- holic solvent, precipitating the product, acidifying to a pH-value of 5 or less, filtering, washing and dying.
291206
Aktiengesellschaft Bayer
Fetherstonhaugh & Co.
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