As the literature is reviewed, and items of interest concerning this topic are found. These may be added in an abbreviated form with the reference. Readers and contributors are invited to add their own notes. Contributors may add them directly and other readers can simply send their notes to the editor, Roger Corneliussen at rcorneliussen@4spe.org. He may edit and add them to this page at his discretion. Superior repellency to low surface tension fluids is given to thermoplastic polymer articles such as fibers, fabrics, filaments, nonwovens, films, and molded articles, by adding fluorinated ester compounds to a polymer and melt extruding the mixture. (US Patent 7,396,866 (7/8/2008)) Permanent soil resistance is produced by dispersing the fluorochemical anit-soiling agent throughout a material. Such fibers are a significant advance in fiber and textile technology. In addition the agent is not removed from the fiber by washing. (US Patent 7,396,866 (7/8/2008))