INEOS MANUFACTURING BELGIUM NV Patent applications |
Patent application number | Title | Published |
20140179880 | SLURRY PHASE POLYMERISATION PROCESS - A process comprising polymerising in a loop reactor an olefin monomer optionally together with an olefin commoner in the presence of a polymerisation catalyst in a diluent to produce a slurry comprising solid particulate olefin polymer and the diluent wherein the Froude number is maintained at or below 20 is disclosed. | 06-26-2014 |
20140005337 | PROPYLENE-ETHYLENE RANDOM COPOLYMER | 01-02-2014 |
20130306351 | INSULATED ELECTRIC CABLE - An insulated cable is disclosed which comprises an electrical core conductor ( | 11-21-2013 |
20120148775 | ETHYLENE POLYMER COMPOSITION - A polyethylene composition is disclosed having an unpigmented density of at least 946 kg/m | 06-14-2012 |
20120104643 | Polyolefin powder - An uncompounded polyolefin powder is disclosed, having a particle size distribution such that D95 is less than 355 μm and (D90−D10)/D50 is less than 1,2, where D95, D90, D50 and D10 are defined such that 95 vol %, 90 vol %, 50 vol % or 10 vol % of the polymer particles have a diameter of less than D95, D90, D50 and D10 respectively, A process for making the powder is also disclosed. | 05-03-2012 |
20110166313 | POLYMER STREAM TRANSFER - A process for heating a polymer-containing stream being transferred from a polymerization reactor to a separation zone or device is described, comprising passing the stream through a heater comprising at least one transfer line for the stream and means for heating the transfer line, wherein the average particle size of the solid polymer is less than 3 mm, the mass flowrate of the polymer-containing stream exiting the heater is no more than 15% greater than the mass flowrate exiting the reactor, and the average velocity of the polymer-containing stream at 80% along the length of the heated part of the transfer line measured from the transfer line inlet is at least 6 m/s, preferably at least 8 m/s and more preferably at least 10 m/s and the pressure drop across the transfer line is between 0.01 bar/m and 0.2 bar/m. | 07-07-2011 |
20110086191 | NOVEL COPOLYMERS - Novel copolymers are described comprising ethylene and alpha-olefins having (a) a density (D) in the range 930-960/g/m | 04-14-2011 |
20110040012 | OXYGEN BARRIER COMPOSITION - Oxygen barrier compositions are described comprising 70-95 wt % of a polyolefin, and incorporated in said polyolefin −0.1-10 wt % of an ethylene-vinyl alcohol polymer containing between 27 mol % and 44 mol % of ethylene units; 0.1-5 wt % of an active oxygen scavenger; 0.1-10 wt % of either a clay having an aspect ratio of at least 10, preferably at least 20, more preferably at least 50, or a nucleating agent, or a polyamide optionally containing such a clay or nucleating agent; and 0.1-5 wt % of a compatibiliser. | 02-17-2011 |
20100329934 | Slurry phase polymerisation process - A process comprising polymerising in a loop reactor an olefin monomer optionally together with an olefin commoner in the presence of a polymerisation catalyst in a diluent to produce a slurry comprising solid particulate olefin polymer and the diluent wherein the Fronde number is maintained at or below 20 is disclosed. | 12-30-2010 |
20100174037 | SLURRY PHASE POLYMERISATION PROCESS - A polymerisation process is disclosed in which polyethylene is produced in slurry in a polymerisation reactor in the presence of a Ziegler Natta catalyst and an activator, and slurry containing the polymer is withdrawn from the reactor and transferred to a flash tank operating at a pressure and temperature such that at least 50 mol % of the liquid component of the slurry is withdrawn from the flash tank as a vapour and at least 98 mol %, more preferably at least 98.5 mol %, and most preferably at least 99.5 mol %, of the vapour withdrawn from the flash tank is capable of being condensed at a temperature of between 15 and 40C without compression, wherein a by-product suppressor, which reduces the amount of by-product formed per unit of polyethylene produced by at least 10% compared with an identical polymerisation process where the by-product suppressor is not present, is used in the reactor. | 07-08-2010 |
20100144985 | Slurry phase polymerisation process - Process comprising polymerising in a loop reactor of a continuous tubular construction an olefin monomer optionally together with an olefin comonomer in the presence of a polymerisation catalyst in a diluent to produce a slurry comprising solid particulate olefin polymer and the diluent, wherein the average internal diameter of at least 50% of the total length of the continuous tubular loop reactor is at least 700 mm wherein the HMW polymer is produced in a reactor upstream of the LMW polymer reactor and the ratio of the average internal diameter of the HMW reactor to the average internal diameter of the LMW reactor is between 0.8 and 1.4. | 06-10-2010 |
20100144984 | Slurry phase polymerisation process - A process comprising polymerising in a loop reactor of a continuous tubular construction an olefin monomer optionally together with an olefin comonomer in the presence of a polymerisation catalyst in a diluent to produce a slurry comprising solid particulate olefin polymer and the diluent wherein the average internal diameter of at least 50% of the total length of the reactor is at least 650 millimeters, the solids concentration in the reactor is at least 15 volume % and having a particle size distribution such that (D90−D10)/D50 is less than 2. | 06-10-2010 |
20100144968 | Slurry phase polymerisation process - A process for controlling a slurry phase (co-) polymerisation process in the presence of a polymerisation catalyst, which comprises maintaining the density SPAN of the polymer powder particles (defined as the absolute value of the density difference in g/cm | 06-10-2010 |
20100126590 | Particulate flow control process - A process is disclosed for providing a flow of particulate matter such as a catalyst to a reactor, comprising intermittently adding said particulate matter and a diluent to a mixing tank, and continuously withdrawing a slurry of particulate matter in diluent from the mixing tank for introduction into the reactor, wherein prior to each addition of particulate matter and diluent to the mixing tank, the concentration of particulate matter in the diluent already in the mixing tank is measured or calculated, and the amount of particulate matter and diluent subsequently added is measured so as to achieve the same concentration at the end of the addition as that measured or calculated prior to the addition. Preferably measurement of the amount of particulate matter and diluent added to the mixing tank is carried out before any diluent is added to the particulate matter. | 05-27-2010 |
20100121002 | POLYMERISATION PROCESS - An olefin polymerisation process is disclosed in which a slurry of olefin polymer is produced within a polymerisation zone, and a polymer slurry stream is withdrawn from the polymerisation zone and passed through a transfer line to a centrifugal concentrating device, which separates it into a solids-lean stream or streams each having a solids concentration less than that of the polymer slurry stream entering the concentrating device and a solids-rich stream or streams each having a solids concentration greater than that of the polymer slurry stream entering the concentrating device, wherein at least part of the solids-rich stream or streams is recycled back into the polymer slurry stream upstream of the concentrating device and downstream of the polymerisation zone. | 05-13-2010 |
20090321989 | Radiation screening materials - A process for the production of a composition for screening solar radiation which comprises a transparent polymer incorporating an interference pigment comprising a platelet shaped material is disclosed, which process comprises the steps of incorporating the interference pigment into the polymer, and then stretching the resultant polymer in at least one direction to at least twice its original length in that direction. The resultant composition has improved radiation screening properties. | 12-31-2009 |
20090312513 | Polymer stream transfer - Process for heating a polymer-containing stream being transferred from a polymerisation reactor to a degassing vessel, comprising passing the stream through a heater comprising a transfer line for the stream and means for heating the transfer line, wherein the ratio of the stream velocity at the outlet of the heater to that at the inlet, V | 12-17-2009 |
20090286029 | Ethylene polymer composition - A polyethylene composition is disclosed having an unpigmented density of at least 946 kg/m | 11-19-2009 |
20090252657 | Slurry phase polymerisation process - A process comprising polymerising an olefin monomer optionally together with an olefin comonomer in the presence of a polymerisation catalyst in a diluent in a loop reactor which comprises at least 2 horizontal sections and at least 2 vertical sections to produce a slurry comprising solid particulate olefin polymer and the diluent wherein the Froude number in at least 20% of the length of the vertical sections of the reactor loop is less than 85% of the Froude number in at least 20% of the length of the horizontal sections of the loop is disclosed. | 10-08-2009 |
20090232711 | Slurry phase polymerisation process - A process comprising polymerising in a loop reactor an olefin monomer optionally together with an olefin commoner in the presence of a polymerisation catalyst in a diluent to produce a slurry comprising solid particulate olefin polymer and the diluent wherein the Froude number is maintained at or below 20 is disclosed. | 09-17-2009 |
20090209702 | Slurry phase polymerisation process - A process comprising polymerising in a loop reactor of continuous tubular construction an olefin monomer optionally together with an olefin comonomer in the presence of a polymerisation catalyst in a diluent to produce a slurry comprising solid particulate olefin polymer and the diluent wherein the internal diameter of at least 50% of the total length of the reactor is at least 700 millimeters and the solids concentration in the reactor is at least 20 volume % is disclosed. | 08-20-2009 |
20090198019 | Screw cap composition - A screw cap is disclosed comprising a composition based on a multimodal ethylene polymer having a standard density (SD) greater than 950 kg/m | 08-06-2009 |
20090198015 | Screw cap composition - A screw cap is disclosed comprising a composition based on a multimodal ethylene polymer having a standard density (SD) greater than 950 kg/m | 08-06-2009 |
20090124779 | Polymer treatment - A process for the separation of volatile material from particulate polymer discharged from a polymerisation reactor in the form of a polymer slurry and which has been substantially freed from unreacted monomer in an earlier separation step, comprising | 05-14-2009 |
20080262171 | Slurry Phase Polymerisation Process - A process comprising polymerising an olefin monomer optionally together with an olefin comonomer in the presence of a polymerisation catalyst in a diluent in a loop reactor which comprises at least 2 horizontal sections and at least 2 vertical sections to produce a slurry comprising solid particulate olefin polymer and the diluent wherein the Froude number in at least 20% of the length of the vertical sections of the reactor loop is less than 85% of the Froude number in at least 20% of the length of the horizontal sections of the loop is disclosed. | 10-23-2008 |