| abstract |
Phosphites of the general formula: <IMAGE> in which N1 IS AN INTEGER; N2 IS 0 OR AN INTEGER; N3 IS AN INTEGER; AT LEAST ONE OF THE GROUPS R is an oxetane group as hereinafter defined or a hydrocarbon radical being substituted at least by one oxetane group as hereinafter defined; THE REMAINING GROUPS R are selected from alkyl, aralkyl, cycloalkyl, aryl and hetaryl groups; and THE GROUP OR GROUPS Ar are the same or different at-least-divalent aromatic groups the free valencies of which are directly linked to the aromatic nuclei; AND A PROCESS FOR THEIR PREPARATION. |