Detergent comprising C10 to C40 hydrocarbyl substituted hydroxybenzoates for reducing asphaltene precipitation
申请人:Bertram Richard D.
公开号:US08404627B2
公开(公告)日:2013-03-26
A detergent including one or more neutral or overbased alkaline earth metal C10 to C40 hydrocarbyl substituted hydroxybenzoates, in which:
(i) the one or more neutral or overbased alkaline earth metal C10 to C40 hydrocarbyl substituted hydroxybenzoates is or includes one or more C10 to C40 hydrocarb-1-yl substituted hydroxybenzoates; or,
(ii) greater than 50 mole % of the one or more neutral or overbased alkaline earth metal C10 to C40 hydrocarbyl substituted hydroxybenzoates, based on the total number of moles of said C10 to C40 hydrocarbyl substituted hydroxybenzoates, is or includes one or more C10 to C40 hydrocarb-2-yl substituted hydroxybenzoates.
A detergent including one or more neutral or overbased alkaline earth metal C
10
to C
40
hydrocarbyl substituted hydroxybenzoates, in which:
(i) the one or more neutral or overbased alkaline earth metal C
10
to C
40
hydrocarbyl substituted hydroxybenzoates is or includes one or more C
10
to C
40
hydrocarb-1-yl substituted hydroxybenzoates; or,
(ii) greater than 50 mole % of the one or more neutral or overbased alkaline earth metal C
10
to C
40
hydrocarbyl substituted hydroxybenzoates, based on the total number of moles of said C
10
to C
40
hydrocarbyl substituted hydroxybenzoates, is or includes one or more C
10
to C
40
hydrocarb-2-yl substituted hydroxybenzoates.