ziatype
n.— «Richard Sullivan announced a palladium and gold POP (and developing-out) process in 1996 called the Ziatype. Lithium chloropalladite is used for cool tones and the addition of sodium tungstate to give warm brown to sepia tones.» —by Richard Farber Historic Photographic Processes Oct. 1, 1998. (source: Double-Tongued Dictionary)