| Patent Number |
Title Of Patent |
Date Issued |
| 7294168 |
Method for purifying the solution in the hydrometallurgical processing of copper |
November 13, 2007 |
| The invention relates to the removal of bivalent copper from copper chloride solution in connection with the hydrometallurgical production of copper. In the copper production process, a copper-bearing raw material is leached with a chloride-bearing solution. The copper chloride solution |
| 6965770 |
Dynamic content delivery responsive to user requests |
November 15, 2005 |
| A method and system for establishing a dynamic content delivery system (DCDS) is disclosed. In one embodiment, a Bluetooth enabled mobile communications unit is used to communicate with a server in order to make a request for the delivery of specific content, such as a song, video, or |
| 6929677 |
Method for leaching copper concentrate |
August 16, 2005 |
| This invention relates to a method where sulfidic iron-bearing copper concentrate is leached on the countercurrent principle, in a chloride environment. The leaching takes place with the aid of bivalent copper and an oxygen-bearing gas as a multi-stage continuous process, under normal |
| 6907113 |
Method and arrangement for providing customized audio characteristics to cellular terminals |
June 14, 2005 |
| A method is provided for downloading audio characteristics to terminal equipment. A score information part (101, 302, 303) is provided describing the presentation instructions of an audible signal. An instrument information part (104, 305, 306) is also provided describing the paramet |
| 6712874 |
Method for the reduction of nickel from an aqueous solution |
March 30, 2004 |
| The invention relates to a method for the precipitation of nickel from an aqueous solution containing its sulphate as a metallic powder suitable as an alloying element for refined steel. In this method, nickel reduction takes place continuously in one or several autoclaves at a temperatu |
| 6702871 |
Method for the reduction of nickel |
March 9, 2004 |
| The invention relates to a method for the precipitation of nickel from its aqueous solution as a metal powder using hydrogen. The aqueous solution containing nickel compounds is neutralised first with an earth alkali or alkali compound so the nickel precipitates as nickel hydroxide or as |
| 6007600 |
Method for producing copper in hydrometallurgical process |
December 28, 1999 |
| The invention relates to a method for producing copper in a hydrometallurgical process from copper-bearing raw materials, such as sulfidic concentrates. The concentrate is leached in a leaching stage of several steps into a chloride-based solution. The copper-bearing solution obtaine |
| 5627243 |
Fluidized-bed reactor |
May 6, 1997 |
| The invention relates to a fluidized-bed reactor for polymerization of olefins, said reactor comprising an upper section of the reactor acting as a polymerization space in which olefin monomers are polymerized in a fluidized bed formed by polymerizing particles and a lower section of the |
| 5395595 |
Fluidized bed reactor |
March 7, 1995 |
| The present invention relates to a fluidized bed reactor in which olefins are polymerized or copolymerized in a bed formed by particles being polymerized and fluidized with the aid of a circulating gas. In the reactor, a circulating gas is fed from a gas space above the fluidized bed |
