Analysis and comments on separation for rubidium and cesium from perspective of patents.

The patent data of rubidium and cesium separation based on IncoPat patent database was searched, and 2 617 patents related to rubidium and cesium separation were retrieved. The pattern of rubidium and cesium separation patents in terms of patent trends, technical status, geographical distribution and applicant status using the common visual chart analysis method were analyzed. Analysis shows that patents in the field of rubidium and cesium separation developed rapidly and were highly active from 2013 to 2021; current technological research and development hotspots of rubidium and cesium separation were B01J, G21F and C22B technical field; China and Japan were the main patent layout of rubidium and cesium separation worldwide; Beijing, Jiangxi, Shaanxi, Qinghai and other provinces and cities were mainly involved in rubidium and cesium separation patents in China; rubidium and cesium separation had high recognition and attention in manufactures of chemical materials; the main research institutions of rubidium and cesium separation technology were mainly distributed in China; the overall value of patents owned by the top 10 patent applicants were high; according to the current development trend for rubidium and cesium separation technology, there was still a lot of room for advancement in the field in the future, and Chinese patent applicants for rubidium and cesium separation could create effective and consistent development plans based on their own advantages and opportunities for advancement globally. [ABSTRACT FROM AUTHOR]