Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Compositions to be polymerized by wave energy wherein said...
Reexamination Certificate
2006-08-15
2006-08-15
Berman, Susan (Department: 1711)
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Compositions to be polymerized by wave energy wherein said...
C522S012000, C522S026000, C522S028000, C522S018000, C522S096000, C522S173000, C526S312000, C526S310000
Reexamination Certificate
active
07091256
ABSTRACT:
A reactive paint to be completely cured in air with binders that bear ethylenically-unsaturated groups, that can be cured by radical polymerization either thermally or both thermally and by UV light or high-energy radiation in a dual-cure method. The paint contains a combined initiator system consisting of thermal initiators and UV initiators and reactive oligomers that are formed from addition compounds of a reactant of formula (4)and a reactant of formula (5)In this formula, X=—CO—CH═CH2or —CnHmor —CO—CnHm. —CnHmis an aliphatic residue with 1 to 3 C atoms, whereby 0, 1, 2 or 3 X substituents are formed by —CnHm, and Y is a hydrocarbon chain of 3 to 8 atoms that can also contain heteroatoms. Also provided is a method for curing by radical polymerization. The polymerization is first started thermally under air and then is continued either thermally or photoinitiated under air or protective gas, and a use in paint systems, especially in automobile manufacturing or as a binder.
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Bischof Markus
Gemmler Elisabeth
Mezger Fritz
Raith Thomas
Ruechardt Christoph
Berman Susan
Daimler-Chrysler AG
Davidson Davidson & Kappel LLC
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