Process for the production of diisocyanates

Details Process for the production of diisocyanates Process for the production of diisocyanates

1995-03-30

1996-05-14

Dees, Jose G.

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

Organic compounds

Isocyanate esters

C07C26300

Patent

active

055169350

ABSTRACT:
Diisocyanates are produced by gas-phase phosgenation of aliphatic diamines having two primary amino groups in the 1,2- or 1,3-position to one another or by cycloaliphatic diamines having two primary amino groups in the 1,2- or 1,3-position to one another.

REFERENCES:
patent: 3631092 (1971-12-01), Kan et al.
patent: 3651118 (1972-03-01), Cenker et al.
patent: 4419295 (1983-12-01), Hennig et al.
patent: 4847408 (1989-07-01), Frosch et al.
E. I. Dupont & Co., Res. Discl., 335, p. 195, Mar. 1992.

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