B - Operations – Transporting – 32 – B
Patent
B - Operations, Transporting
32
B
20/73
B32B 11/02 (2006.01) B05D 1/12 (2006.01) B32B 11/10 (2006.01) G10B 3/00 (2006.01)
Patent
CA 1286873
Abstract of the Disclosure A lightweight asphalt roofing product wherein the asphalt-based coating has a specific gravity less than 1Ø A lightweight filler is used which has an effective specific gravity in the range of 0.10-0.50 and is present in the coating in the range of 3%-25% by weight of the filled coating. In a preferred embodiment, the filler particles have hollow, gas filled inclusions, and comprise expanded perlite particles or expanded permicite particles.
517191
Cunningham Richard Napoleon
Dolin Rick Lee
Hodgson Robert Ernest
Jenkins Kenneth Lee
Laroche Allan Raymond
Macrae & Co.
Manville Corporation
LandOfFree
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