| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 526066000 | Adding material to polymerization zone in an incremental or sequential manner | 9 |
| 20090043055 | Polyhydroxy compounds as polymerization quenching agents - A method for quenching an active polymerization mixture, the method comprising introducing a polyhydroxy compound to an active polymerization mixture. | 02-12-2009 |
| 20090082529 | Polyester, Process for Producing Polyester, and Polyester Molded Article - Disclosed is a polyester produced from an aluminum compound and a phosphorus compound in the presence of a polycondensation catalyst. The polyester contains a polyester-insoluble, aluminum-containing insoluble particle in an amount of 1000 ppm or less as quantified by the method disclosed in the description, and contains an acid terminal group at a ratio of 10 to 50 eq/ton. The polyester can provide a highly transparent molded article produced through drawing (e.g., a film or hollow molded article) and is useful in the fields of highly transparent optical films, ultra-highly transparent molded articles or the like. | 03-26-2009 |
| 20090275709 | PHASE BOUNDARY PROCESSES FOR PREPARING POLYCARBONATES - Continuous processes for preparing polycarbonates having a weight average molecular weight M | 11-05-2009 |
| 20090326173 | PROCESS FOR CONTINUOUS PRODUCTION OF EPOXY RESINS - An epoxy resin with amine functionality is manufactured continuously through a first reaction zone in which an epoxide-functional resin is made by ring-opening addition, a second reaction zone in which the resin is reacted with amine to make an epoxide-functional product, and a third reaction zone in which the epoxide functional product is reacted with amine to make the epoxy resin with amine functionality. In other embodiments, some amine may be added in the first reaction zone to produce an epoxide functional product, with elimination of the second reaction zone, or all of the amine reactant may be added in the first reaction zone to produce an amine functional product, with elimination of both the second and third reaction zones. Optionally, solvent may be removed in an evaporation zone and recycled into the continuous process and further zones may be included to incorporate crosslinker, additives, and to emulsify the resin. | 12-31-2009 |
| 20100105848 | Propylene Impact Copolymers With Balanced Impact Strength And Stiffness - Disclosed is a propylene impact copolymer comprising a first polypropylene having an MFR | 04-29-2010 |
| 20130096267 | PROCESS FOR PRODUCING FUNCTIONALIZED POLYMERS - A method for preparing a functionalized polymer, the method comprising the steps of (a) polymerizing monomer in the presence of a coordination catalyst to form a polymer, (b) inhibiting said step of polymerizing with a Lewis base, and (c) reacting the polymer with a functionalizing agent. | 04-18-2013 |
| 20150368374 | CONTINUOUS POLYMERIZATION DEVICE AND METHOD FOR PRODUCING POLYMER COMPOSITION - A continuous polymerization apparatus uses at least a first reactor and a second reactor ( | 12-24-2015 |
| 20160145366 | PROPYLENE COPOLYMER FOR EXTRUSION BLOW MOLDED BOTTLES - Extrusion blow molded article comprising a propylene copolymer having a high bottle appearance factor and good impact properties. | 05-26-2016 |
| 20220135710 | Catalyst Pretreatment and Feeding System for Polypropylene Production - A process and system for pre-polymerizing propylene are disclosed. A first catalyst suspension is formed by mixing catalyst particles with a hydrocarbon that is a saturated hydrocarbon or propylene. Various other catalyst components are added to the first catalyst suspension, and the first catalyst suspension is then pre-polymerized under pre-polymerization conditions to form a pre-polymerized catalyst suspension that is introduced to a polymerization reactor or a storage tank. The saturated hydrocarbon can be propane, mixed butanes, or mixture thereof. | 05-05-2022 |
