Antimony tris(dihydrocarbyl phosphite) and preparation thereof

Details Antimony tris(dihydrocarbyl phosphite) and preparation thereof Antimony tris(dihydrocarbyl phosphite) and preparation thereof

1978-07-25

1980-06-24

Sneed, Helen M. S.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

208120, 252414, 252426, 252431P, 252456, 252464, C07F 992

Patent

active

042094534

ABSTRACT:
A cracking catalyst is treated with an antimony tris(dihydrocarbyl phosphite) to passivate contaminating metals whenever these metals have been deposited on the catalyst. Unused or used catalyst can be treated.

REFERENCES:
patent: 2777874 (1957-01-01), Asseff et al.
patent: 2951086 (1960-08-01), Chadwick
patent: 3412118 (1968-11-01), Kujawa et al.
patent: 3488368 (1970-01-01), Spivack
patent: 3773815 (1973-11-01), Rossi et al.
patent: 4083860 (1978-04-01), Ruf
Chemical Abstracts, 67 65149h (1967).

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