Manufacture of isocyanates

Details Manufacture of isocyanates Manufacture of isocyanates

1982-03-08

1983-04-12

Torrence, Dolph H.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

260544C, C07C11800, C07C12503

Patent

active

043797679

ABSTRACT:
A process for the production of tertiary benzyl isocyanates by reaction of the corresponding olefin with a carbamoyl halide to form the benzyl halide followed by the reaction of the benzyl halide with an excess of isocyanic acid to form the isocyanate and carbamoyl halide which can be recovered and recycled.

REFERENCES:
patent: 3290350 (1966-12-01), Hoover
patent: 4130577 (1978-12-01), Nagato et al.

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