公开(公告)号：AT281501T

公开(公告)日：2004-11-15

申请号：AT02745366

申请日：2002-06-06

Applicant: BASF AG

Inventor： WENDEROTH BERND ,  DAMBACH STEFAN ,  MESZAROS LADISLAUS ,  FIDORRA UWE

IPC: F01P11/14 ,  C09K5/08 ,  C09K5/20 ,  H01M8/04

Abstract: An antifreeze concentrate for cooling systems in fuel-cell drives which gives ready-to-use aqueous coolant compositions having a conductivity of at most 50 muS/cm, based on alkylene glycols or derivatives thereof and containing one or more five-membered heterocyclic compounds (azole derivatives) having 2 or 3 hetero atoms from the group consisting of nitrogen and sulfur, which contain no or at most one sulfur atom and which may carry a fused aromatic or saturated six-membered ring.

公开(公告)号：PL362913A1

公开(公告)日：2004-11-02

申请号：PL36291301

申请日：2001-12-14

Applicant: BASF AG

Inventor： WENDEROTH BERND ,  MESZAROS LADISLAUS ,  DAMBACH STEFAN ,  FIDORRA UWE ,  BERGEMANN MARCO

IPC: C09K3/00 ,  C09K5/08 ,  C09K5/20 ,  H01M8/04 ,  H01M8/10

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

公开(公告)号：SK15142003A3

公开(公告)日：2004-10-05

申请号：SK15142003

申请日：2002-06-06

Applicant: BASF AG

Inventor： WENDEROTH BERND ,  DAMBACH STEFAN ,  MESZAROS LADISLAUS ,  FIDORRA UWE

IPC: F01P11/14 ,  C09K5/08 ,  C09K5/20 ,  H01M8/04

Abstract: An antifreeze concentrate for cooling systems in fuel-cell drives which gives ready-to-use aqueous coolant compositions having a conductivity of at most 50 muS/cm, based on alkylene glycols or derivatives thereof and containing one or more five-membered heterocyclic compounds (azole derivatives) having 2 or 3 hetero atoms from the group consisting of nitrogen and sulfur, which contain no or at most one sulfur atom and which may carry a fused aromatic or saturated six-membered ring.

公开(公告)号：ZA200305572B

公开(公告)日：2004-08-24

申请号：ZA200305572

申请日：2003-07-18

Applicant: BASF AG

Inventor： BERGEMANN MARCO ,  DAMBACH STEFAN ,  FIDORRA UWE ,  MESZAROS LADISLAUS ,  WENDEROTH BERND

IPC: C09K3/00 ,  C09K5/08 ,  C09K5/20 ,  H01M8/04 ,  H01M8/10 ,  C09K ,  H01M

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

公开(公告)号：BR0208415A

公开(公告)日：2004-03-30

申请号：BR0208415

申请日：2002-04-03

Applicant: BASF AG

Inventor： WENDEROTH BERND ,  ROIDA MICHAEL ,  AYDIN BAYRAM ,  FIDORRA UWE

IPC: C10M141/06 ,  C10M133/38 ,  C10M133/44 ,  C10M139/00 ,  C10M145/36 ,  C10M169/04 ,  C10N30/12 ,  C10N40/08

Abstract: Hydraulic fluids, in particular brake fluids for motor vehicles, having improved corrosion protection, comprising (a) from 0.005 to 0.125% by weight of 1H-1,2,4-triazole, and (b) from 0 to 10% by weight of one or more further corrosion inhibitors, where, on concomitant use of 1H-1,2,3-benzotriazole and/or 1H-1,2,3-tolutriazole and/or derivatives thereof, the weight ratio between 1H-1,2,4-triazole and the said 1H-1,2,3-triazoles must be greater than 4:1.

公开(公告)号：CZ20032736A3

公开(公告)日：2003-12-17

申请号：CZ20032736

申请日：2002-04-03

Applicant: BASF AG

Inventor： WENDEROTH BERND ,  ROIDA MICHAEL ,  AYDIN BAYRAM ,  FIDORRA UWE

IPC: C10M141/06 ,  C10M133/38 ,  C10M133/44 ,  C10M139/00 ,  C10M145/36 ,  C10M169/04 ,  C10N30/12 ,  C10N40/08

Abstract: Hydraulic fluids, in particular brake fluids for motor vehicles, having improved corrosion protection, comprising (a) from 0.005 to 0.125% by weight of 1H-1,2,4-triazole, and (b) from 0 to 10% by weight of one or more further corrosion inhibitors, where, on concomitant use of 1H-1,2,3-benzotriazole and/or 1H-1,2,3-tolutriazole and/or derivatives thereof, the weight ratio between 1H-1,2,4-triazole and the said 1H-1,2,3-triazoles must be greater than 4:1.

公开(公告)号：NO20032794A

公开(公告)日：2003-08-19

申请号：NO20032794

申请日：2003-06-19

Applicant: BASF AG

Inventor： WENDEROTH BERND ,  MESZAROS LADISLAUS ,  DAMBACH STEFAN ,  FIDORRA UWE ,  BERGEMANN MARCO

IPC: C09K3/00 ,  C09K5/08 ,  C09K5/20 ,  H01M8/04 ,  H01M8/10

CPC classification number: B60L11/1898 ,  B60L11/1892 ,  C09K5/20 ,  H01M8/04029 ,  Y02T10/7016 ,  Y02T90/34

公开(公告)号：NO20032794D0

公开(公告)日：2003-06-19

申请号：NO20032794

申请日：2003-06-19

Applicant: BASF AG

Inventor： WENDEROTH BERND ,  MESZAROS LADISLAUS ,  DAMBACH STEFAN ,  FIDORRA UWE ,  BERGEMANN MARCO

IPC: C09K3/00 ,  C09K5/08 ,  C09K5/20 ,  H01M8/04 ,  H01M8/10 ,  C09K

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

公开(公告)号：DE10128530A1

公开(公告)日：2002-12-19

申请号：DE10128530

申请日：2001-06-13

Applicant: BASF AG

Inventor： WENDEROTH BERND ,  DAMBACH STEFAN ,  MESZAROS LADISLAUS ,  FIDORRA UWE

IPC: F01P11/14 ,  C09K5/08 ,  C09K5/20 ,  H01M8/04

Abstract: An anti-freeze concentrate for the cooling systems of fuel cells which has a maximum conductivity of 50 microS/cm in ready-to-use condition is based on alkylene glycols (or derivatives) containing 5-membered heterocyclic compounds (azole derivatives) which have: (i) 2 or 3 N or S atoms (but a maximum of 1 S atom); and (ii) an aromatic or saturated 6-membered anelated ring.

公开(公告)号：CA2430443C

公开(公告)日：2009-10-20

申请号：CA2430443

申请日：2001-12-14

Applicant: BASF AG

Inventor： DAMBACH STEFAN ,  BERGEMANN MARCO ,  FIDORRA UWE ,  WENDEROTH BERND ,  MESZAROS LADISLAUS

IPC: C09K3/00 ,  C09K5/20 ,  C09K5/08 ,  H01M8/04 ,  H01M8/10

Abstract: Antifreeze concentrates for cooling systems in fuel cell drives, from which ready-to-use aqueous coolant compositions having a conductivity of not more than 50 .mu.S/cm result and which are based on alkylene glycols or derivatives thereof, contain orthosilicic esters (I) (see formula I) where R1 to R4 are identical or different and are C1- to C20-alkyl, C2- to C20-alkenyl, C1- to C20-hydroxyalkyl, unsubstituted or substituted C6- to C12-aryl and/or a glycol ether substituent of the formula -(CH2-CH2-O)n-R5, where R5 is hydrogen or C1- to C5-alkyl and n is from 1 to 5.