Cast polyester resin process and product
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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Sep 25, 1984
Grant Date -
N/A
app pub date -
May 9, 1983
filing date -
May 9, 1983
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A pretreatment process to remove entrapped air from liquid polyester blends intended as the matrix of cast marble is disclosed. The formulated blend is subjected to a simultaneous evacuating, vibrating and shearing step which is critical within broad parameters. The thus treated blend, after casting, will be non-porous in cross section, thereby making it suitable for countertops and other parts which must be field cut to specifications.
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