Back to results
US 12,698,628 B2Granted
Flame retardant clear coatings for building panels
AssigneeAWI Licensing LLC
InventorsJohn E. Hughes, Linzhu Zhang, Michelle X. Wang
Life of this patent
Estimating the term…
Abstract
Described herein is a flame-retardant building panel comprising a body having a first major surface opposite a second major surface, an inorganic coating atop the first major surface, the inorganic coating being optically transparent and flame retardant and comprising a silicate compound; and wherein the inorganic flame retardant coating is substantially transparent such that the first major surface of the body is visible through the inorganic coating.
Claims11
A flame-retardant coating composition comprising:
- a liquid carrier;
- a first sub-layer comprising an inorganic composition:
- a first silicate compound;
- a dispersant;
- and
- an oxidizer;
- a second sub-layer comprising:
- a wax blend comprising refined paraffin wax and polyethylene wax;
- a second silicate compound;
- and
- aluminum trihydrate;
- wherein the flame-retardant coating composition has a minimum pH of 9;
- and
- wherein at least one of the first silicate compound and the second silicate compound comprises potassium silicate.
11 more elements
Dependencies are inferred from the claim text.