PRODUCTION OF ORGANIC ISOCYANATE EXCELLENT IN HEAT STABILITY - Nippon Polyurethane Industry Co., Ltd.

Title:

PRODUCTION OF ORGANIC ISOCYANATE EXCELLENT IN HEAT STABILITY

Document Type and Number:

Japanese Patent JP3796610

Kind Code:

B2

Abstract:

PROBLEM TO BE SOLVED: To provide a simple method for producing an organic isocyanate excellent in heat stability at slight risk and provide a method for improving heat stability of the organic isocyanate.
SOLUTION: This method for producing an organic isocyanate comprises the step of bringing a raw material organic isocyanate into contact with a metal oxide. This method for improving heat stability of the organic isocyanate comprises bringing the raw material isocyanate into contact with the metal oxide.

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Inventors:

Masami Ide

Application Number:

JP15676498A

Publication Date:

July 12, 2006

Filing Date:

May 21, 1998

Export Citation:

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Assignee:

Nippon Polyurethane Industry Co., Ltd.

International Classes:

C07C263/18; C07C265/14; (IPC1-7): C07C265/14; C07C263/18

Domestic Patent References:

JP41021611B1
JP59088452A
JP42019450B1

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