Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Processes of preparing a desired or intentional composition...
Reexamination Certificate
2005-03-15
2005-03-15
Szekely, Peter (Department: 1714)
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Processes of preparing a desired or intentional composition...
C524S002000, C524S003000, C524S005000, C524S006000, C524S007000, C524S008000
Reexamination Certificate
active
06867249
ABSTRACT:
The present invention relates to a process for manufacturing a construction material by mixing a cementitious material, rubber bits and water. It also extends to a construction material comprising cured cementitious material and rubber bits in which the rubber bits are bonded together in a porous and permeable matrix by the cementitious material. An elastic binding material improves the physical properties of the construction material. The construction material can be cast in place or formed into blocks for transport to a construction site.
REFERENCES:
patent: 5290356 (1994-03-01), Frankowski
patent: 5456751 (1995-10-01), Zandi et al.
patent: 6103783 (2000-08-01), Hong
Alix Yale & Ristas, LLP
Szekely Peter
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