Method of preparing a carbamate- or urea-functional compound

Details Method of preparing a carbamate- or urea-functional compound Method of preparing a carbamate- or urea-functional compound

2006-04-18

2006-04-18

O'Sullivan, Peter (Department: 1621)

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

Organic compounds

Carboxylic acid esters

C428S423100, C525S410000, C525S414000, C525S415000, C525S450000, C525S509000, C525S519000

Reexamination Certificate

active

07030263

ABSTRACT:
A method of preparing a carbamate or urea-functional compound is described comprising the step of reacting a lactone or hydroxy carboxylic acid with a compound (A) comprising a carbamate or urea group or a group that can be converted to a carbamate or urea group, and an active hydrogen group capable of reacting with the hydroxy carboxylic acid or in a ring-opening reaction with a lactone. The compound thus prepared is useful in curable compositions.

REFERENCES:
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patent: 5854385 (1998-12-01), McGee et al.
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patent: 6291073 (2001-09-01), Ohrbom et al.
patent: 6624241 (2003-09-01), Weise et al.

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