Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Mixing of two or more solid polymers; mixing of solid...
Reexamination Certificate
2006-05-23
2006-05-23
Robertson, Jeffrey B. (Department: 1712)
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Mixing of two or more solid polymers; mixing of solid...
C525S439000, C525S440030
Reexamination Certificate
active
07049370
ABSTRACT:
A nonaqueous coating material curable thermally or thermally and with actinic radiation, comprising(A) a hydroxyl-containing binder component comprising(A1) at least one hydroxyl-containing polyester and(A2) at least one hydroxyl-containing (meth)acrylate copolymer prepared at least partly in the presence of the polyester (A1)(B) at least one crosslinking component comprising at least one polyisocyanate, and(C) at least one low molecular mass and/or oligomeric, essentially unbranched, hydrophobic polyester having at least two hydroxyl groups in the molecule, an OH number of from 56 to 500 mg KOH/g, an acid number <10 mg KOH/g, and a number-average molecular weight Mn of from 300 to 2000 daltons;process for its preparation, and its use.
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Borgholte Harald
Fischer Marion
Lettmann Bernhard
BASF Coatings AG
Robertson Jeffrey B.
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