Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – From carboxylic acid or derivative thereof
Reexamination Certificate
2006-07-04
2006-07-04
Boykin, Terressa (Department: 1711)
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
From carboxylic acid or derivative thereof
C428S423100, C525S410000, C528S272000
Reexamination Certificate
active
07071286
ABSTRACT:
The invention is directed to coating compositions comprising:A) 20–80 wt-% of at least one orthoester compound having at least one non-cyclic orthoester group and at least one hydroxyl group per molecule, which compound is obtained by reactinga) at least one orthoester compound withb) at least one diol with a number average molecular weight (Mn) of 200–1000 g/mol, wherein solely diols are used having hydroxyl groups with different reactivity and having more than 3 carbon atoms between the hydroxyl groups,B) 0–40 wt-% of at least one hydroxy-functional binder and/or hydroxy-functional reactive diluent, different from component A) andC) 80–20 wt-% of at least one cross-linking agent with functional groups reactive with hydroxyl groups.
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European Search Report No. EP 04025735, Mailed: Mar. 15,2005.
Barsotti Robert J.
Huybrechts Jos
Tanghe Leen
Boykin Terressa
E. I. duPont de Nemours and Company
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