Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – At least one aryl ring which is part of a fused or bridged...
Reexamination Certificate
2006-09-26
2006-09-26
Tran, Thao T. (Department: 1711)
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
At least one aryl ring which is part of a fused or bridged...
C524S901000, C522S096000, C205S224000, C205S229000, C427S458000, C427S473000, C526S301000, C528S049000, C528S075000
Reexamination Certificate
active
07112628
ABSTRACT:
Aqueous electrophoretic lacquer capable of being deposited cataphoretically, containingA) an aqueous dispersion of cationically modified polyurethane (meth)acrylates (a1) with terminal, ethylenically unsaturated (meth)acrylic double bonds, and reactive thinner (a2) with at least two ethylenically unsaturated (meth)acrylic double bonds, the (meth)acrylic double bonds of the mixture of (a1) and (a2) corresponding to a bromine number of 20 to 150 g bromine/100 g solids, andB) photoinitiators and optionally free-radical initiators capable of thermal activation,the terminal, ethylenically unsaturated (meth)acrylic double bonds of the polyurethane (meth)acrylates being bonded with the anionically modified polyurethane prepolymer via urethane, urea, amide or ester groups,and optionally conventional auxiliary substances and additives, pigments and/or fillers.
REFERENCES:
patent: 4732788 (1988-03-01), Guioth et al.
patent: 6509411 (2003-01-01), Fieberg et al.
Fieberg Andreas
Rekowski Volker
Saatweber Dietrich
Simmrock Hans-Ulrich
Vogt-Birnbrich Bettina
E. I. du Pont de Nemours and Company
Tran Thao T.
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