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
2007-11-27
2007-11-27
Wyrozebski, Katarzyna (Department: 1714)
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...
C524S278000, C252S008620
Reexamination Certificate
active
10865147
ABSTRACT:
A method of treating hard substrates by contacting the substrate with a fluorochemical composition comprising: a fluorochemical urethane component and a base component is described. The compositions provide desirable repellency, antisoiling and anti-staining properties to the substrates.
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Kokko Kent S.
Wyrozebski Katarzyna
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