Chemistry of carbon compounds – Miscellaneous organic carbon compounds
Patent
1976-07-22
1978-07-25
Cockeram, H.S.
Chemistry of carbon compounds
Miscellaneous organic carbon compounds
106176, 106177, 252400R, 252400A, 252407, C08K 552, C08K 515
Patent
active
041028597
ABSTRACT:
The present invention teaches mixtures of neutral esters of phosphorous acid with oxetane compounds and plastics stabilized by the incorporation of said mixtures. The present invention teaches a method of improving the retention of light transmission in plastics, particularly polycarbonate, by the incorporation therein of mixtures of neutral esters of phosphorous acid and oxetane compounds in which there are 2 to 10 oxetane groups per phosphorus atom.
REFERENCES:
patent: 2733226 (1956-01-01), Hunter
patent: 3209013 (1965-09-01), Hechenbleikner et al.
patent: 3446819 (1969-05-01), Ardis
patent: 3463789 (1969-08-01), Wojtonicz et al.
patent: 3509091 (1970-04-01), Cleveland et al.
patent: 3794629 (1974-02-01), Einers et al.
DOS 2,140,207, 2/15/1973, Bayer A/G (The Counterpart of Einers et al.).
Cohnen Wolfgang
Dheim Rolf
Eimers Erich
Bayer Aktiengesellschaft
Cockeram H.S.
Colen Frederick H.
Harsh Gene
Pope Lawrence S.
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