Patent application number | Description | Published |
20100056653 | EXPANDABLE RESINS - Resin beads having an average particle size of from 0.001 mm to 10 mm and containing a continuous phase and a particulate dispersed phase are described. The continuous phase includes elastomeric polymers; the dispersed phase includes homopolymers and/or copolymers containing repeat units resulting from the polymerization of one or more aryl polymerizable monomers. The unexpanded polymer resin beads can be prepared by dispersing an organic phase containing elastomeric polymers and one or more monomers, into droplets and polymerizing the monomers in the organic droplets in a low shear flow pattern. The beads can be impregnated with blowing agents, expanded and can be used to make molded articles. Resin beads having a continuous phase comprising a nitrile rubber, and a dispersed phase comprising one or more homopolymers and/or copolymers containing repeat units resulting form the polymerization of one or more aryl polymerizable show prolonged retention of blowing agents in unexpanded form. | 03-04-2010 |
20100304075 | ENHANCED EXPANDED POLYSTYRENE FOAM INSULATION - Partially expanded closed-cell unmatured polystyrene bead with a partial vacuum within the cells inside the bead, which may be coated with an air impervious coating to retain a partial vacuum inside cells for a prolonged period of time. The resulting bead has improved thermal insulating properties and may be used for insulation. | 12-02-2010 |
20120251407 | FURNACE COIL FINS - The present invention provides low profile, thick (“stubby”) longitudinal fins having a cross section which is a parallelogram, trapezoid or a triangle extending from 10% to 100% of a coil pass and comprising from 3 to 45 weight % of a coil in a radiant section of a furnace for thermally cracking one or more of paraffins and naphtha. The fins provide an additional surface through which heat may be transferred to the coil making the coil more efficient reducing greenhouse emissions. | 10-04-2012 |
20120275966 | Furnace Coil with Protuberances on the External Surface - The efficiency of heat transfer to a furnace tube or coil in a furnace for cracking ethane, propane or naphtha feedstocks, or a mixture thereof may be improved by providing protuberances on the surface of the tube or coil having i) a maximum height from 3 to 15% of the coil outer diameter, ii) a contact surface with a coil, or a base, which area is 0.1%-10% of the coil external cross section area, and iii) a geometrical shape which has a relatively large external surface containing a relatively small volume. | 11-01-2012 |
20140076209 | INDUSTRIAL FURNACE - The dry oxygen content in the exhaust of an industrial furnace may be controlled to | 03-20-2014 |
20140332311 | NOISE SUPPRESSOR - In one embodiment of the invention, the noise of a supersonic jet of gas venting from a lower stack having a flow control means may be reduced by at least about 20 dBA by attaching an upper stack to the lower stack, said upper stack being packed with granulae to provide a bed height at least one diameter of the upper stack the cross section area of the interstitial voids between the granulae being at least about 2.25 times larger than the cross section area of the flow controlling means installed in the lower stack. The said bed is contained in the upper stack and kept in place by suitable upper and lower retainers such as, for example, a mesh or a perforated plate. | 11-13-2014 |