Specialized metallurgical processes – compositions for use therei – Processes – Electrothermic processes
Patent
1978-05-12
1979-01-23
Carter, Herbert T.
Specialized metallurgical processes, compositions for use therei
Processes
Electrothermic processes
75108, 75121, 252411R, 252412, 252413, 252414, 252415, 252416, 260604HF, 423 22, C22B 1304, C01G 5500
Patent
active
041359119
ABSTRACT:
A process for recovering rhodium present in a still heel from the hydroformylation of an unsaturated hydrocarbon wherein rhodium and a triaryl phosphite ligand were used by a process comprising
REFERENCES:
patent: 3071551 (1963-01-01), Robinson et al.
patent: 3539634 (1970-11-01), Oliver et al.
patent: 3547964 (1970-12-01), Oliver
patent: 3899442 (1975-08-01), Kummer et al.
patent: 3901822 (1975-08-01), Browning et al.
patent: 3920449 (1975-11-01), Onoda et al.
patent: 4021463 (1977-05-01), Friedrick
Carter Herbert T.
E. I. Du Pont de Nemours and Company
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