Patent ID: 6972147
Filing Date: 2005-12-06
Classification: B32B,C08G,C08K,C08L,G02B,Y10S,Y10T

Abstract:
1. An article comprising a fluorescent dye in a polymeric resin matrix, the polymeric resin matrix comprising at least one polymeric resin, or mixture thereof, selected from the group consisting of: (i) polymers having a polymeric backbone comprising the following repeating moiety A; wherein R is a non-interfering substituent and P is the remainder of the polymer; and whereby the polymers are able to absorb ultraviolet light; and (ii) having a polymeric backbone comprising the following repeating moiety B: where R is a noninterfering substituent and P is the remainder of the polymer; said moiety B being transformable to said moiety A by photo-Fries rearrangement, whereby said polymer comprising moiety B can be transformed to an ultraviolet light absorbing polymer comprising moiety A.