Antioxidant

Details Antioxidant Antioxidant

C - Chemistry, Metallurgy

09

K

31/73

C09K 15/08 (2006.01)

Patent

CA 1120703

Case 4273 ANTIOXIDANT Abstract of the Disclosure Organic material is stabilized against oxidative degradation by the addition of a small amount of an antioxidant compound or mixture of compounds containing a central segment of one to about ten divalent o-nydrocarbyl phenol groups (e.g. o-tert-butylphenol) bonded to each other through a methylene group and having terminal 3,5-dihydrocarbyl-4- hydroxybenzyl groups at each end. They are made by first condensing o-hydrocarbyl phenol with formaldehyde and then reacting the intermediate with 2,6-dihydrocarbyl phenol and formaldehyde.

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