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US 5,179,223 AGranted
Process for producing carbamates from oximes
AssigneeUnion Carbide Chemicals & Plastics Technology Corporation
InventorsTak W. Leung, Donald C. Best, Bernard D. Dombek
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Abstract
A process for producing a carbamate is disclosed. In one embodiment, the process comprises contacting a mixture comprising a primary amine component, an urea component and a hydroxy nitrogen component, in particular at least one oxime, at conditions effective to form a carbamate. Certain novel carbamates are also disclosed.
Claims25
A process for producing an oxime carbamate comprising:
- contacting a mixture comprising a primary amine component, a urea component and at least one oxime at conditions effective to form an oxime carbamate.
A process for producing a oxime carbamate comprising:
- contacting a mixture comprising a primary amine urea and an oxime at conditions effective to form a oxime carbamate and ammonia;
- and
- removing ammonia during said contacting.
Dependencies are inferred from the claim text.