Process for the manufacture of aromatic di- and/or polyisocyanat

Chemistry of carbon compounds – Miscellaneous organic carbon compounds – C-metal

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560 24, 560 25, C07C11800, C07C12507

Patent

active

042909708

ABSTRACT:
This invention pertains to a process for the preparation of an aromatic di- and/or polyisocyanate comprising the steps of

REFERENCES:
patent: 2677698 (1954-05-01), Deutschman et al.
patent: 2806051 (1957-09-01), Brockway
patent: 3763217 (1973-10-01), Brill
patent: 3919279 (1975-11-01), Rosenthal et al.
patent: 4080365 (1978-03-01), Hirai et al.
patent: 4081472 (1978-03-01), Isumura et al.
patent: 4100351 (1978-07-01), Romano et al.
patent: 4146727 (1979-03-01), Shawl et al.

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