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Patentes

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Patente citante Fecha de presentación Fecha de emisión Cesionario original Título
US40175486 Oct 197512 Abr 1977Standard Oil Company (Indiana)Borontrifluoride recovery from alkyl phenol mixture
US404680226 Abr 19766 Sep 1977Edwin Cooper and Company LimitedProcess for making a high molecular weight alkylphenoxy substituted aliphatic carboxylic ester
US408379116 Abr 197611 Abr 1978Edwin Cooper and Company LimitedLubricating oil containing reaction products of polyisobutylphenol, esters of chloroacetic acid, and ethylene polyamine
US428582422 Feb 198025 Ago 1981The Lubrizol CorporationHydroxyalkyl hydroxy-aromatic condensation products as fuel and lubricant additives
US43437401 Jul 198110 Ago 1982The Lubrizol CorporationHydroxylalkyl hydroxy-aromatic condensation products as fuel and lubricant additives
US438519119 Dic 197924 May 1983Standard Oil Company (Indiana)Recovery of BF.sub.3 -free alkylphenol product
US533627813 May 19939 Ago 1994The Lubrizol CorporationFuel composition containing an aromatic amide detergent
US54416539 Ago 199415 Ago 1995The Lubrizol CorporationTwo-stroke cycle engine lubricant and method of using same
US545879313 May 199317 Oct 1995The Lubrizol CorporationCompositions useful as additives for lubricants and liquid fuels
US55607552 Jun 19951 Oct 1996The Lubrizol CorporationCompositions useful as additives for lubricants and liquid fuels
US691416327 Sep 20015 Jul 2005BASF AGMethod for producing polyisobutylphenols
US77501931 Feb 20056 Jul 2010BASF AktiengesellschaftMethod for producing polyisobutenylphenols