Catalytic Distillation Technologies
191Patents
61Active
191Granted
43Portfolio score
Filing activity: Apr 5, 1993 → Apr 25, 2017 · 45 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6169218A | Selective hydrogenation of highly unsaturated compounds in hydrocarbon streams | Emerging Cross-Sectional Technologies | 83 | Expired |
| US5877363A | Process for concurrent selective hydrogenation of acetylenes and 1,2 butadine in hydrocarbon streams | Emerging Cross-Sectional Technologies | 74 | Expired |
| US5837130A | Catalytic distillation refining | Chemistry; Metallurgy | 71 | Expired |
| US7273957B2 | Process for the production of gasoline stocks | Chemistry; Metallurgy | 55 | Expired |
| US7838710B2 | Selective hydrogenation process and catalyst | Performing Operations; Transporting | 52 | Active |
| US5961815A | Hydroconversion process | Chemistry; Metallurgy | 51 | Expired |
| US5847249A | Apparatus and process for catalytic distillations | Emerging Cross-Sectional Technologies | 47 | Expired |
| US8227650B2 | Process and catalyst for selective hydrogenation of dienes and acetylenes | Chemistry; Metallurgy | 46 | Active |
| US6083378A | Process for the simultaneous treatment and fractionation of light naphtha hydrocarbon streams | Chemistry; Metallurgy | 46 | Expired |
| US6242661A | Process for the separation of isobutene from normal butenes | Emerging Cross-Sectional Technologies | 43 | Expired |
| US6392078B1 | Process and catalyst for making dialkyl carbonates | Emerging Cross-Sectional Technologies | 43 | Expired |
| US6444118B1 | Process for sulfur reduction in naphtha streams | Emerging Cross-Sectional Technologies | 42 | Expired |
| US6303020A | Process for the desulfurization of petroleum feeds | Chemistry; Metallurgy | 40 | Expired |
| US7888541B2 | Double bond hydroisomerization of butenes | Emerging Cross-Sectional Technologies | 39 | Active |
| US7250542B2 | Paraffin alkylation | Chemistry; Metallurgy | 36 | Expired |
| US6576588B2 | Process for selective hydrogenation of alkynes and catalyst therefor | Emerging Cross-Sectional Technologies | 31 | Expired |
| US5779883A | Hydrodesulfurization process utilizing a distillation column realtor | Performing Operations; Transporting | 31 | Expired |
| US5866736A | Process for the production of alkyl benzene | Emerging Cross-Sectional Technologies | 30 | Expired |
| US8119848B2 | Preparation of alkylation feed | Emerging Cross-Sectional Technologies | 30 | Active |
| US6583329B1 | Olefin metathesis in a distillation column reactor | Emerging Cross-Sectional Technologies | 29 | Expired |
| US6000685A | Gas/liquid contact structure | Performing Operations; Transporting | 28 | Expired |
| US5807477A | Process for the treatment of light naphtha hydrocarbon streams | Emerging Cross-Sectional Technologies | 23 | Expired |
| US6495030B1 | Process for the desulfurization of FCC naphtha | Emerging Cross-Sectional Technologies | 23 | Expired |
| US6774275B2 | Pulse flow reaction | Emerging Cross-Sectional Technologies | 23 | Expired |
| US6015875A | Process for making acetals | Chemistry; Metallurgy | 21 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.