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
2006-04-25
2006-04-25
Wu, David W. (Department: 1713)
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...
C524S425000, C524S423000, C524S437000, C524S515000, C524S560000, C427S385500
Reexamination Certificate
active
07034072
ABSTRACT:
An aqueous coating composition comprising(a) 10 to 60 wt % of an aqueous dispersion comprising water and one or more water-dilutable binders selected from the group of polymethacrylic, polyacrylic, polyester, polyurethane, hybride polyacrylic/polyester or polyacrylic/polyurethane, epoxy modified binders, with linear, branched or star structure and any mixtures thereof, the amount of said water constituting at least 15 wt % based on the total weight of said component a),(b) 5 to 40 wt % of one or more water-dispersible polyisocyanates or mixtures of water-dispersible and water-emulsifiable polyisocyanates, blocked or unblocked,(c) 5 to 70 wt % of filler material,(d) 1 to 40 wt % of a ground polymer material,(e) 0 to 15 wt % of organic co-solvents,(f) 0.01 to 15 wt % of additives, pigments and fillers, and(g) 3 to 30 wt % of water andthe invention is directed to a process for applying the aqueous coating to substrates to form decorative surfaces and to the resulting coated substrates.
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The International Search Report and Written Opinion of the International Searching Authority, Application No. PCT/US2004/023668, Mailed: Nov. 24, 2004.
Benjamin Steven C.
E. I. duPont de Nemours and Company
Sastri Satya
Wu David W.
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