Phosphonites

Organic compounds -- part of the class 532-570 series – Organic compounds – Heavy metal containing

Reexamination Certificate

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Details

C556S019000, C502S162000, C568S017000, C558S335000, C558S355000

Reexamination Certificate

active

07022866

ABSTRACT:
Phosphonites I of the formula 1 or 2whereR1, R2 are each, independently of one another, hydrogen, an alkyl or alkylene group having from 1 to 8 carbon atoms or an alkoxy group having from 1 to 8 carbon atoms, with the proviso that R1 and R2 are not simultaneously H,R3 is H or methyl,R4 is t-butyl,R5, R6, R7, R8, R9 are each, independently of one another, H or an alkyl or alkylene group having from 1 to 8 carbon atoms.

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