Resources Contact Us Home
Brekau; Uwe
Cologne, DE
No. of patents:

Patent Number Title Of Patent Date Issued
5964693 Continuous preparation of silica sols which contain large particles October 12, 1999
A process is provided for the preparation of aqueous silica sols having a particle size of 27 to 72 nm. by adding fresh acidic silica sol into the reactors of a multi stage cascade reactor wherein the reactors contain aqueous solution of colloidal silica sol of a pH of 8 or above. Each
5458812 Process for the production and concentration of silica sols October 17, 1995
Process for the production and concentration of alkaline silica sols containing nonaggregated, spherical SiO.sub.2 particles with a diameter of .gtoreq.1 nm starting with SiO.sub.2 concentrations of 4-8% by weight, using microporous membrane filters.

  Recently Added Patents
Luggage locator
Adsorbates containing active substances
Prepaid multi-line plan infrastructure and methods
Methods of modifying stent coating thicknesses
Origami gift box
Method of verifying key validity and server for performing the same
System and method of transmitting electronic voucher through short message
  Randomly Featured Patents
Embedment of hard particles in a metal surface
Spindle motor having a fluid dynamic bearing system
Bluetooth communicator, short range wireless communicator and program
Pivotally adjustable arrow rest
Tilt-type headrest
Treatment of tumors using short peptides from human chorionic gonadotropin (HCG)
Method and system for laser intensity calibration in a three-dimensional multi-color laser scanning system
Charge pump with low power, high voltage protection circuitry
Lamp assembly with lamp and reflector
Bearing race manufactured from preprofiled wire