| Patent No. | Patent Title: |
| 4557821 | Heavy oil hydroprocessing |
| 4555584 | Process for producing conjugated dienes |
| 4536281 | Large pore catalysts for heavy hydrocarbon conversion |
| 4533461 | Process for producing mesophase pitch |
| 4532026 | Method to improve circulation control in fluidized systems |
| 4527004 | Purification of olefins by boron trifluoride-alcohol treatment |
| 4527003 | Thermal cracking process for producing olefins from hydrocarbons |
| 4527002 | Thermal cracking method for producing olefines from hydrocarbons |
| 4525268 | Combination process for upgrading residual oils |
| 4524233 | Process for the production of dienes from aldehydes |
| 4524235 | Olefin disproportionation and catalyst therefor |
| 4524227 | Coproduction of durene and gasoline from synthesis gas and alcoho... |
| 4524236 | Process for oxydehydrogenation of ethane to ethylene |
| 4523046 | Method for gasoline yield enhancement in the fixed bed metha... |
| 4522710 | Method for increasing deasphalted oil production |
| 4522703 | Thermal treatment of heavy hydrocarbon oil |
| 4523050 | Methane conversion process |
| 4522709 | Catalytic hydrodesulfurization or hydrodenitrogenation |
| 4523049 | Methane conversion process |
| 4522706 | Hydrocarbon treating processes using perovskite-containing cataly... |
| 4522705 | Octane enhancement and total liquid product yield improvements in... |
| 4522707 | Method for processing used oil |
| 4522704 | Passivation of cracking catalysts |
| 4521295 | Sustained high hydroconversion of petroleum residua feedstocks |
| 4521297 | Catalytic conversion of shale oil |
| 4521293 | Oil recovery |
| 4521638 | Process for preparation of tertiary olefins |
| 4519807 | Carbonaceous solid fuel |
| 4520222 | Polymerization catalyst and deodorizing agent and process of use |
| 4519901 | Extractive separation process |
| 4520214 | High selectivity process for dehydrogenation of paraffinic hydroc... |
| 4520216 | Process for the preparation of synthetic hydrocarbons |
| 4520223 | Dehydrogenation process |
| 4520217 | Pyrolysis of natural gas liquids to aromatic hydrocarbons using a... |
| 4519897 | Fluid cracking process using sepiolite-containing catalyst compos... |
| 4520128 | Catalyst having high metal retention capacity and good stability ... |
| 4520224 | Thermal cracking method for producing olefins from hydrocarbons |
| 4520225 | Process for the pretreatment of light olefin fractions |
| 4519900 | Zeolite containing catalyst support for denitrogenation of oil fe... |
| 4518483 | Aromatic pitch from asphaltene fractions |
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