C - Chemistry – Metallurgy – 07 – C
Patent
C - Chemistry, Metallurgy
07
C
400/1, 253/124,
C07C 39/16 (2006.01) C07C 39/15 (2006.01) C07C 39/17 (2006.01) C07C 43/178 (2006.01) C08K 5/13 (2006.01) C09K 15/08 (2006.01) C09K 15/14 (2006.01)
Patent
CA 1263409
Phenols and use thereof as stabilisers Abstract of the Disclosure The invention relates to phenols which contain a number of aromatic nuclei and in which the bridge formation of these nuclei is in the meta-position to the OH groups. These phenols have the formula I, (I) , Image or (VI), wherein R1, R2, R3, R4, A and n are as defined in claim 1. The novel phenols are most suitable for use as stabilisers for organic polymers and lubricants and have particularly good colour properties.
416788
Ciba Specialty Chemicals Holding Inc.
Fetherstonhaugh & Co.
Rosenberger Siegfried
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