The report contains ten-year analysis with the following sections
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Title of patent family (most common patent title) |
Family members |
Filing year |
---|---|---|
regeneration of selective solvents for extractive processes | 14 | 2012 |
low-energy extractive distillation process for dehydration of aqueous ethanol | 13 | 2007 |
novel energy efficient and throughput enhancing extractive process for aromatics recovery | 12 | 2008 |
methods for removing heavy hydrocarbons from extractive solvents | 11 | 2013 |
regeneration process of polar solvents from aromatic extraction process by treating with… 🛈 | 11 | 2010 |
improved extractive distillation processes using water-soluble extractive solvents | 10 | 2008 |
extraction process with novel solvent regeneration methods | 9 | 2012 |
extractive distillation process for recovering aromatics from petroleum streams | 9 | 2007 |
process and apparatus for online rejuvenation of contaminated sulfolane solvent | 8 | 2008 |
magnetic filter for refining and chemical industries | 8 | 2012 |