| 摘要 |
<p>1. Use of a compound of the formula I see diagramm : EP0098809,P8,F5 wherein R1 and R2 independently of each other are C1 -C6 alkyl, phenyl or phenyl substituted by C1 -C4 alkyl, or are C7 -C8 aralkyl, or R1 and R2 together are a group of the formula II -(R3 )C(R4 )-[(R5 )C(R6 )]m -(R7 )C(R8 )- wherein m is 0 or 1 and R3 , R4 , R5 , R6 , R7 and R8 independently of one another are hydrogen or methyl ; n is 1 or 2 ; X is oxygen or sulfur ; A is Li, K, Na, NH4 or a group of the formula III see diagramm : EP0098809,P8,F1 wherein R9 is hydrogen or methyl and R10 and R11 independently of each other are hydrogen, C1 -C3 alkyl or a -CH2 -CH(R9 )-OH group, wherein R9 is as defined above, as additive in a water-miscible hydraulic fluid.</p> |
