INEOS COMMERCIAL SERVICES UK LIMITED Patent applications |
Patent application number | Title | Published |
20140221585 | NOVEL COPOLYMERS - A copolymer of ethylene and an alpha-olefin, said copolymer having a (a) density>0.930 g/cm | 08-07-2014 |
20140135467 | PROCESS FOR START-UP OF A POLYMERISATION REACTION FLUIDISED BED - Process for polymerization and, in particular, to a process for start-up of a gas phase fluidized bed polymerization reaction involving one or more monomers using a catalyst in a reactor. The process includes providing a start-up bed of particles in the reactor in the presence of the one or more monomers but in the absence of the catalyst, introducing at T | 05-15-2014 |
20130331535 | APPARATUS AND PROCESS FOR THE POLYMERISATION OF OLEFINS - The present invention relates to an apparatus and process for the gas phase polymerisation of olefins, the apparatus comprising: a) a reaction zone comprising a grid at its base, b) an inlet located in the lower half of the reaction zone for introduction of a reaction gas to the reaction zone, c) an outlet located in the upper half of the reaction zone for removal of the reaction gas from the reaction zone, and d) a solids separation unit having an inlet fluidly connected to the outlet for removal of the reaction gas from the reaction zone, characterised in that the inlet of the solids separation unit is located at a vertical height lower than the outlet for removal of reaction gas from the reaction zone and such that the angle to the horizontal of a straight line drawn between the inlet of the solids separation unit and the outlet for removal of reaction gas from the reaction zone is greater than 20°. | 12-12-2013 |
20130253148 | PROCESS AND APPARATUS FOR THE POLYMERISATION OF OLEFINS - The present invention relates to a process for the gas-phase polymerisation of olefins in a fluidised bed reactor, which process comprises: a) passing a fluidising gas comprising one or more olefin monomers through a fluidised bed of polymer particles in the presence of a polymerisation catalyst, b) withdrawing a first gaseous stream comprising solid particles from the top of the reactor, c) passing the first gaseous stream to a gas/solids separator, separating solid particles therefrom, and forming a second gaseous stream comprising residual solid particles, d) passing at least a portion of the second gaseous stream to one or more heat exchangers to remove the heat of reaction, and e) recycling at least a portion of the cooled stream from step (d) as the fluidising gas in step (a), characterised in that the rate of fouling of the one or more heat exchangers is such that i) the increase in pressure drop across the heat exchangers is equivalent to less than 5% per year, and/or ii) the decrease in heat transfer of the heat exchangers is equivalent to less than 5% per year. | 09-26-2013 |
20130245220 | POLYMERISATION CONTROL RPOCESS - The present invention relates to a process for maintaining a continuous gas-phase (co-) polymerisation of olefins in a large fluidised bed reactor in a homogeneous mode whilst operating at high space time yield and condensation rate in the presence of a polymerisation catalyst. | 09-19-2013 |
20130224808 | PROCESS AND APPARATUS FOR PRODUCING ETHYLENE VIA PREPARATION OF SYNGAS - A process for producing ethylene from a carbonaceous containing feedstock the process comprising the steps of a) reforming the carbonaceous containing feedstock into a first product stream comprising carbon dioxide, carbon monoxide and hydrogen; b) fermenting the first product stream with an acetogenic anaerobic bacteria to produce a second product stream comprising ethanol; c) concentrating ethanol from the second product stream into a third product stream and; d) dehydrating ethanol in the third product stream to produce ethylene. | 08-29-2013 |
20130216835 | CHROMIUM CATALYSED ETHYLENE COPOLYMER POWDER - The present invention relates to a chromium catalysed ethylene copolymer powder exhibiting a superior fragmentation coefficient. | 08-22-2013 |
20130203947 | PROCESS FOR THE ACTIVATION OF A SUPPORTED CHROMIUM OXIDE BASED CATALYST - The present invention relates to a process for the activation of a supported chromium oxide based catalyst. | 08-08-2013 |
20130079476 | INTERLOCK AND PROCESS - The present invention relates to the degassing of polymer powder, and in particular to an interlock for use in a process for degassing of a polymer powder in a degassing vessel, which interlock comprises: 1. measuring the temperature of the polymer powder within or exiting the degassing vessel, 2. comparing said measurement value to a threshold value in order to ascertain whether it is lower than the threshold value or not, and 3. if the measured temperature is lower than the threshold value taking one or more actions to reduce the concentration of hydrocarbons in the polymer powder exiting the degassing vessel and/or to stop the polymer powder withdrawal from that degassing vessel. | 03-28-2013 |
20130053528 | POLYMERIZATON PROCESS - The present invention relates to a process for the continuous transition between two ethylene copolymers containing a different comonomer. In particular, the present invention relates to a process for the continuous transition between two ethylene copolymers containing a different comonomer. | 02-28-2013 |
20130035459 | REACTOR - The present invention relates to a reactor, and in particular to a slurry loop polymerisation reactor which comprises:
| 02-07-2013 |
20120289666 | PROCESS FOR THE GAS PHASE POLYMERISATION OF OLEFINS - The present invention relates to a process for the gas phase polymerisation of olefins, and, in particular, to a process for the gas phase polymerisation of olefins with recycle of fines to the reaction zone. | 11-15-2012 |
20120238714 | PROCESS FOR THE POLYMERISATION OF OLEFINS - The present invention relates to a process for polymerisation of olefins, in particular gas phase polymerisation of olefins, with the aid of a supported chromium oxide based catalyst. | 09-20-2012 |