Abstract: The present disclosure relates generally to building surface joint supports, for example, configured to bridge and support the seam between two building surface panels. The present disclosure relates more particularly to a joint support configured to support a joint between building surface panels. The joint support includes a longitudinal support strip including a first end, a second end, a first side edge, a second side edge, an inner surface, and an outer surface. An inner layer of adhesive is distributed over the inner surface of the longitudinal support strip and is configured to bond with a joint compound. The adhesive of the inner layer includes a polysaccharide.

Abstract: This invention relates to copolymer compositions having pigment like properties, comprising a fluorescent or non-fluorescent dye attached to a polyurea or polyurethane chain by a spacer.

Abstract: A new pigment for making colored finely divided particles on aminoformaldehyde resin allows to produce particles of substantially uniform particle size and spherical or irregular shape having excellent dispersibility and superior opacity.

Abstract: A composition containing a photochromic material and a fluorescent pigment provides a duality of color in products where the composition is used as the coloring agent. Under ordinary lighting conditions, the composition will provide a brilliant, glowing color and under excitation illumination such a ultraviolet radiation, a different brilliant glowing color results.