Alkoxyphenyl-substituted bisacylphosphine oxides

Details Alkoxyphenyl-substituted bisacylphosphine oxides Alkoxyphenyl-substituted bisacylphosphine oxides

1995-08-25

1999-10-12

Geist, Gary

Organic compounds -- part of the class 532-570 series

Organic compounds

Phosphorus containing

568 14, C07F 953

Patent

active

059657766

ABSTRACT:
Alkoxyphenyl-substituted bisacylphosphine oxides of the formula I ##STR1## in which R.sub.1 and R.sub.2 are identical or different and are a radical of the formula II ##STR2## n which R.sub.4 and R.sub.5 independently of one another are C.sub.1 -C.sub.12 alkyl or C.sub.1 -C.sub.12 alkoxy,

REFERENCES:
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patent: 4962144 (1990-10-01), Babillis et al.
patent: 5100929 (1992-03-01), Jochum
patent: 5534559 (1996-07-01), Leppard et al.
Derwent Abstract 91-269010/37 of EP-A-446175.
Standard Test Method for Yellowness Index of Plastics ASTM Designation: D 1925--70 (1988).

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