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Federal
Patent AT-E399517-T1: [Translated] VALVE WITH A CIRCULATION CHANNEL, WITH A PROFILED MOUNTING BALLOON AND WITH A DEVICE FOR BLOCKING OFF A FLOW
U.S. Department of Health & Human Services —
A urethral valve system includes a fixation balloon that is positioned in and contoured to the geometry of the bladder near the opening to the urethra. The fixation... -
Federal
Patent AT-E40094-T1: [Translated] PROCESS FOR THE PRODUCTION OF SILICA COLLOIDS AND SPHERICAL SILICA.
U.S. Department of Health & Human Services —
A process for producing silica colloid by the reaction of a solution of an alkali metal silicate with an acidifying agent by forming a bottoms material containing an...