Stock material or miscellaneous articles – Two dimensionally sectional layer
Patent
1997-11-14
1999-11-16
Jones, Deborah
Stock material or miscellaneous articles
Two dimensionally sectional layer
428 48, 428 49, 428 87, 428172, 428192, 4283044, 428339, 4284231, 156 60, 156 61, 156 64, 156 72, 15624417, B32B 310
Patent
active
059853972
ABSTRACT:
A coated synthetic resin tile comprising a base portion and a veneer said base comprising a moisture impervious material such as a thermoset or thermoplastic resin. A filler of up to about 10% calcium carbonate having a 2 (two) sigma particle size between about 5.11 and 6.18 microns and an aluminum trihydrate flame retardant of about 60%-70% having a two (2) sigma particle size of between about 42.38 and 58.72 microns and an aluminum trihydrate of about 20%-40% having a two (2) sigma particle size of between about 8.26 and 9.68 microns to provide a class A flame spread rating. The veneer comprising a layer selected from the group consisting of an acrylic impregnated wood veneer and a hardwood veneer having a vinyl upper layer bonded to said base portion with a polyurethane adhesive.
REFERENCES:
patent: 3287203 (1966-11-01), Elmendorf
patent: 3579410 (1971-05-01), Barrett
patent: 4756951 (1988-07-01), Wang et al.
Humphreys Matthew F.
Tomasko Joseph E.
Witt Alvin E.
Bahta Abraham
Jones Deborah
Renz Jr. Eugene E.
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