Polyisobutenylphenols are prepared by alkylating an aromatic hydroxy compound with substantially monoethylenically unsaturated and substantially homopolymeric polyisobutenes in the presence of a Lewis acid alkylation catalyst by a process in which the polyisobutenes have a &bgr; double bond content of at least 35 mol %.
Use of amines and/or mannich adducts in fuel and lubricant compositions for direct injection spark ignition engines
申请人:Lange Arno
公开号:US20060070293A1
公开(公告)日:2006-04-06
The present invention relates to the use of amines and/or Mannich adducts as detergents and/or dispersants in fuel and lubricant compositions for direct-injection gasoline engines. The invention further relates to fuel and lubricant compositions which comprise at least one such Mannich adduct, and also a bisaminoalkylated Mannich adduct.
Selective Synthesis of 2-Alkenylphenols and 2,2-Dialkyl-2,3-dihydrobenzofurans from 2-Hydroxybenzyl Alcohols
作者:Arturo Arduini、Andrea Pochini、Rocco Ungaro
DOI:10.1055/s-1984-31033
日期:——
ARDUINI, A.;POCHINI, A.;UNGARO, R., SYNTHESIS, BRD, 1984, N 11, 950-953
作者:ARDUINI, A.、POCHINI, A.、UNGARO, R.
DOI:——
日期:——
USE OF AMINES AND/OR MANNICH ADDUCTS IN FUEL AND LUBRICANT COMPOSITIONS FOR DIRECT INJECTION SPARK IGNITION ENGINES
申请人:BASF SE
公开号:US20130237466A1
公开(公告)日:2013-09-12
The present invention relates to the use of amines and/or Mannich adducts as detergents and/or dispersants in fuel and lubricant compositions for direct-injection gasoline engines. The invention further relates to fuel and lubricant compositions which comprise at least one such Mannich adduct, and also a bisaminoalkylated Mannich adduct.