Additive building material mixtures containing...

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Cellular products or processes of preparing a cellular...

Reexamination Certificate

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Details

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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