95.
    发明专利
    未知

    公开(公告)号:AT384773T

    公开(公告)日:2008-02-15

    申请号:AT01965128

    申请日:2001-07-13

    Applicant: BASF AG

    Abstract: The invention relates to antifreeze concentrates which are based on alkylene glycols or derivatives thereof or on glycerin, containing 0.05 to 10 wt. % of one or more cathoxylic acid amides and/or sulfonic acid amides in relation to the total quantity of concentrate.

    97.
    发明专利
    未知

    公开(公告)号:NO324462B1

    公开(公告)日:2007-10-22

    申请号:NO20002778

    申请日:2000-05-30

    Applicant: BASF AG

    Abstract: In a process for preparing ethylene-vinyl acetate copolymers in which a mixture of ethylene and vinyl acetate is polymerized continuously in the presence of free-radical polymerization initiators and, if desired, molecular weight regulators in a cooled tube reactor at a pressure in the range from 1000 to 3500 bar, and the poly-merization initiator is added at the beginning and at two or more points along the tube reactor, and temperature changes in the reaction mixture along the tube reactor, between the first temperature maximum and the last addition of the polymerization initiator, are within a range of not more than 20° C.

    Cooling agents for cooling systems in fuel cell drives

    公开(公告)号:AU2002231708B2

    公开(公告)日:2006-10-05

    申请号:AU2002231708

    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

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