
Novel silane derivatives having the general formula: ##STR1## wherein: (A) R is a group of the formula R.sup.4 --(OR.sup.5).sub.m --OR.sup.6 --; (b) each of R.sup.1 and R.sup.2 is independently alkyl, alkenyl, aryl, alkaryl or aralkyl, a group of the formula --OR.sup.3 or a group of the formula R.sup.4 --(OR.sup.5).sub.m --OR.sup.6 --; (c) R.sup.3 is a group of the formula R.sup.4 --(OR.sup.5).sub.m -- or a group of the formula: ##STR2## (D) R.sup.4 is alkyl, alkenyl, aryl, alkaryl or aralkyl; (...











