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Alriksson
Björn Alriksson, Karlstad SE
| Patent application number | Description | Published |
|---|---|---|
| 20110217746 | FERMENTATION PROCESS STARTING FROM CELLULOSIC BIOMASS AND INVOLVING THE RECIRCULATION OF DETOXIFIED STILLAGE INTO THE PROCESS - A method for preparing a target chemical derivable from cellulosic biomass, involving detoxification of spent hydrolysate is provided. The method comprises the steps of providing cellulosic biomass, subjecting the cellulosic biomass to aqueous pretreatment, aqueous hydrolysis, and fermentation under conditions in which at least a part of the fermentable sugars are fermented into a primary target chemical, separating the primary target chemical from the fermented hydrolysate to provide a spent hydrolysate comprising inhibitory substances and detoxifying the spent hydrolysate by decreasing the concentration of at least one of the inhibitory substances using a detoxification biocatalyst selected from the group consisting of wild type, mutant and recombinant filamentous fungi and recirculating at least a part of the detoxified spent hydrolysate, optionally after further purification. | 09-08-2011 |
Fredrik Alriksson, Solna SE
| Patent application number | Description | Published |
|---|---|---|
| 20080247384 | Ims Call Routing Using tel-UrIs - The present invention proposes a specific handling of tel URIs in an IMS terminating network so as to enable routing of calls using telephone numbers (and not SIP URIs with embedded telephone numbers) as identifiers of the target users of those calls. Specifically, the present invention introduces a conversion module which is located within the IMS terminating network and is capable of converting SIP URIs with embedded telephone numbers into equivalent tel URIs which are then used by a terminating I-CSCF and S-CSCF to query the SLF and/or HSS so that they can route the calls to the target users. | 10-09-2008 |
Fredrik Alriksson, Sundbyberg SE
| Patent application number | Description | Published |
|---|---|---|
| 20110124339 | EARLY IMS SECURITY - A method for providing Early IMS Security in a network. In registering a terminal on a telecommunications network, a plurality of private user identities (IMPIs) are derived from the IMSI of the terminal. Some or all of these IMPIs are registered with the network. Each IMPI has its own IRS containing its own IMPUs, enabling different identities of the user to be registered with the network. | 05-26-2011 |
Peter Alriksson, Horby SE
| Patent application number | Description | Published |
|---|---|---|
| 20110311005 | Correction Of Frequency Offsets Greater Than The Nyquist Frequency - There is disclosed a method of estimating frequency offset of a received signal in a terminal apparatus operating in a wireless communication system. The method comprises a) determining a phase change between a first and a second reference symbol of the received signal, wherein the time distance t between the first and the second reference symbols is associated with an observation frequency f such that f=1/t; b) determining a preliminary frequency offset Δf based on the determined phase change, wherein the preliminary frequency offset Δf form a frequency offset hypothesis Δf | 12-22-2011 |