A new patent application surfaced last week that points to Apple's extensive research regarding oleophobic coating. The ingredient is used to fight off skin oils, which cause fingerprints and smudges on touchscreen displays.
Apple originally introduced the coating back in 2009 on the iPhone 3GS, but this application describes a more efficient method for applying the material. Mix in the fact that the patent was just filed in February, and we could see Apple use this on their upcoming smartphone...