Method for producing isocyanates

Organic compounds -- part of the class 532-570 series – Organic compounds – Isocyanate esters

Reexamination Certificate

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Details

C560S336000

Reexamination Certificate

active

10504320

ABSTRACT:
A process for the preparation of isocyanates from carbamic esters.

REFERENCES:
patent: 3734941 (1973-05-01), Sydor
patent: 5616784 (1997-04-01), Schwarz et al.
patent: 2 421 503 (1974-11-01), None
patent: 0 092 738 (1983-11-01), None
patent: 396976 (1990-11-01), None
patent: 0 524 554 (1993-01-01), None
patent: 0 568 782 (1993-11-01), None

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