The invention provides compounds having the following general formula (I): ##STR00001## wherein X, R.sup.1, R.sup.2, R.sup.7 and Z are as described herein.

 
Web www.patentalert.com

< Electrical passivation of silicon-containing surfaces using organic layers

> Corrosion-resistant fuel tank

> Porous anode body for solid electrolytic capacitor, production method thereof and solid electrolytic capacitor
~ 00541