Phosphites, process for producing them and their use

Details Phosphites, process for producing them and their use Phosphites, process for producing them and their use

1997-08-06

1999-04-06

Hoke, Veronica P.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Processes of preparing a desired or intentional composition...

558 85, 558 92, 558179, C08K 5527, C07F 902

Patent

active

058919392

ABSTRACT:
Phosphites inhibitors for organic material represented by the formula: ##STR1## wherein R.sup.1, R.sup.2, R.sup.4 and R.sup.5 independently represent hydrogen atom, an alkyl group, a cycloalkyl group, an alkylcycloalkyl group, an aralkyl group or a phenyl group; R.sup.3 is hydrogen atom or alkyl; X is a direct bond, sulfur atom, or methylene group which may optionally be substituted with alkyl or cycloalkyl; A represents a dihydric alcohol residue; B is a direct bond or alkylene; and one of Y and Z represents an alkoxy group or an aralkyloxy group, and the other one represents hydrogen atom or an alkyl group; and a process for producing the same are provided.

REFERENCES:
patent: 3396130 (1968-08-01), Leistner et al.
patent: 5576365 (1996-11-01), Fukuda et al.

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