Patent ID: 9260374
Filing Date: 2016-02-16
CPC Classification: C07C,C08F,C08K

Claim Text:
1. A process for the manufacture of α,α-branched carboxylic acid vinyl esters comprising: converting a propylene oligomer olefin feed with CO and water under Koch reaction conditions and wherein the propylene oligomer olefin feed has an isomer ratio of (BR1+BR2)/BR3=Ya above 20, with BR1=weight of propylene oligomer olefin with one branching alkyl group, BR2=weight of propylene oligomer olefin with two branching alkyl groups and BR3=weight of propylene oligomer olefin with three or more branching alkyl groups to make an acid with a ratio of Non Blocking isomers (NB) versus Blocking isomers (B) of NB/B above 1.5, where the α carbon atom is always quaternary, the carbon atom(s) in β position can either be secondary, tertiary, or quaternary, acids with a tertiary or a quaternary carbon atoms in the β position are defined as blocking isomers, converting the resulting acids into vinyl esters.