Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Cellular products or processes of preparing a cellular...
Reexamination Certificate
2006-03-24
2011-10-18
Teskin, Fred M (Department: 1762)
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Cellular products or processes of preparing a cellular...
C523S201000, C524S005000, C106S677000, C052S003000, C052S309400
Reexamination Certificate
active
08039521
ABSTRACT:
The present invention relates to the use of different-sized polymeric microparticles in hydraulically setting building material mixtures for the purpose of enhancing their frost resistance and cyclical freeze/thaw durability.
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Kautz Holger
Loehden Gerd
Schattka Jan Hendrik
Evonik Roehm GmbH
Oblon, Spivak McClelland, Maier & Neustadt, L.L.P.
Teskin Fred M
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