Process for preparation of isocyanate compounds

Details Process for preparation of isocyanate compounds Process for preparation of isocyanate compounds

1994-12-19

1998-06-30

Siegel, Alan

Organic compounds -- part of the class 532-570 series

Organic compounds

Isocyanate esters

560 24, 560157, 560158, C07C26300

Patent

active

057736430

ABSTRACT:
A diisocyanate compound substantially free from chlorine is prepared by the following consecutive steps (1), (2) and (3):

REFERENCES:
patent: 3919279 (1975-11-01), Rosenthal et al.
patent: 4081472 (1978-03-01), Tsumura et al.
patent: 4330479 (1982-05-01), Merger et al.
patent: 4395565 (1983-07-01), Romano et al.

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