62.
    发明专利
    未知

    公开(公告)号:DE50110832D1

    公开(公告)日:2006-10-05

    申请号:DE50110832

    申请日:2001-12-14

    Applicant: BASF AG

    Abstract: The invention relates to antifreeze concentrates for cooling systems in fuel cell drives, from which are produced ready-to-use aqueous cooling agent compositions having a maximum conductivity of 50 mus/cm, based on alkylene glycols or the derivatives thereof, and containing orthosilicic acid esters of formula (I) wherein the variables R 1 to R 4 are the same or different and represent C 1 -C 20 alkyl substituents, C 2 -C 20 alkenyl substituents, C 1 -C 20 hydroxyalkyl substituents, optionally substituted C 6 -C 12 aryl substituents and/or glycol ether substituents of formula (CH 2 -CH 2 -O) n -R 5 wherein R 5 represents hydrogen or C 1 -C 5 alkyl and n represents a number between 1 and 5

    AGENTES REFRIGERANTES PARA SISTEMAS REFRIGERANTES EN MOTORES DE PILA DE COMBUSTIBLE QUE CONTIENEN DERIVADOS DE AZOL.

    公开(公告)号:ES2231712T3

    公开(公告)日:2005-05-16

    申请号:ES02745366

    申请日:2002-06-06

    Applicant: BASF AG

    Abstract: Concentrados de agentes anticongelantes para sistemas refrigerantes en motores de pila de combustible, a partir de los cuales resultan composiciones refrigerantes acuosas listas para empleo con una conductividad de un máximo de 50 S/cm, a base de alquilenglicoles o sus derivados, que contienen uno o varios compuestos heterocíclicos de cinco eslabones (derivados de azol) con 2 o 3 heteroátomos del grupo nitrógeno y azufre, no contienen, o contienen como máximo un átomo de azufre, y que pueden portar un compuesto condensado aromático o saturado de seis eslabones, así como, adicionalmente, orto-silicatos, a partir de los cuales resultan composiciones acuosas de agentes refrigerantes listas para empleo con un contenido en silicio de 2 a 2000 ppm.

    66.
    发明专利
    未知

    公开(公告)号:DE10313280A1

    公开(公告)日:2004-10-07

    申请号:DE10313280

    申请日:2003-03-25

    Applicant: BASF AG

    Abstract: Ready-to-use aqueous coolant compositions having alkylene glycols, glycerol and/or 1,3-propanediol and a) from 0.05 to 10% by weight, based on the total amount of the composition, of one or more polyethylene glycols and/or polypropylene glycols and b) from 0.01 to 10% by weight, based on the total amount of the composition, of one more carboxamides and/or sulfonamides are useful for inhibiting corrosion in the case of magnesium and magnesium alloys.

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