Hindered bis-phenol phenyl phosphites and synthetic resin compos

Details Hindered bis-phenol phenyl phosphites and synthetic resin compos Hindered bis-phenol phenyl phosphites and synthetic resin compos

1980-12-29

1982-12-07

Hoke, V. P.

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

Synthetic resins

Processes of preparing a desired or intentional composition...

260936, 260927R, 524118, 544214, C08K 552, C07D25134, C07D 6990

Patent

active

043628303

ABSTRACT:
Hindered bis-phenol phenyl phosphites are provided having the structure: ##STR1## wherein: R is selected from the group consisting of alkyl having from one up to about eighteen carbon atoms; cycloalkyl having from three up to about twelve carbon atoms; alkaryl and aryl having from six to about eighteen carbon atoms; preferably, a bulky group such as iso, secondary or tertiary alkyl having from three to about ten carbon atoms; or cycloalkyl having six to twelve carbon atoms;

REFERENCES:
patent: 3285855 (1966-11-01), Dexter et al.
patent: 3297631 (1967-01-01), Bown et al.
patent: 3658743 (1972-04-01), Bevilacqua
patent: 3707542 (1972-12-01), Steinberg et al.
patent: 4094855 (1978-06-01), Spivack
patent: 4196117 (1980-04-01), Spivack
patent: 4252750 (1981-02-01), Buysch et al.
patent: 4288391 (1981-09-01), Spivack

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