Ultra violet indication for fabric protection
Ultraviolet-absorbing film containing a fluorescent...
Uniform microspheroidal particle generating method
UO.sub.2 F.sub.2 inclusion compositions
Use of brighteners for the preparation of coating slips
Use of compounds which absorbs and fluoresce in the IR range as
Use of cyclic chemical compounds for augmenting or enhancing the
Use of thioindigo for obtaining fluorescent dyeings in polyvinyl
Useful precursors for organic electroluminescent materials and d
UV-fluorescent cyanoacrylate adhesive