Chemistry of carbon compounds – Miscellaneous organic carbon compounds
Patent
1976-10-28
1978-01-03
Cookeram, H.S.
Chemistry of carbon compounds
Miscellaneous organic carbon compounds
260 25BF, 260566R, C08G 1816, C07C119055, C08G 1814
Patent
active
040666298
ABSTRACT:
The present invention relates to a process wherein certain phosphonium salt compounds, such as, n-butyltriphenylphosphonium bromide, are utilized as catalysts in the preparation of carbodiimides from organic-isocyanates under certain specified conditions.
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Celanese Corporation
Cookeram H.S.
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