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 |
---|---|---|
method for simulated moving bed to adsorb and separate polycyclic aromatic hydrocarbons | 5 | 2015 |
top packer used for preventing sand | 2 | 2012 |
preparation method of non-phosphorus environment-friendly dirt dispersion agent special … 🛈 | 2 | 2015 |
process improvement method of vulcanized hydrogenation refining catalyst | 2 | 2015 |
preparation method of vulcanization type hydrofining catalyst | 2 | 2015 |
method for preparing selective hydrogenation ring-opening catalyst for aromatic hydrocar… 🛈 | 2 | 2015 |
oil field corrosion inhibition bactericide and preparation method thereof | 2 | 2015 |
automatic crude oil component separating device and application of automatic crude oil c… 🛈 | 2 | 2015 |
method for treating and regulating pore structure of catalytic desulfurization adsorbent… 🛈 | 2 | 2015 |
hydrogenation method for producing high-aromatic latent naphtha employing bad aromatics-… 🛈 | 2 | 2015 |