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
Motor device and method of manufacturing the same
Transmitter having a programmable amplifier operating class
Bioactive agent-loaded heart-targeting nanoparticles
Methods and system for displaying segmented images
Wireless network device including a polarization and spatial diversity antenna system
Solar powered charging shelter and system and method thereof
Wireless enclosure
  Randomly Featured Patents
Thermoplastic moulding composition and the use thereof
Phenylene derivatives
Gangway for a railway car passageway
Shoulder arm with swivel breech member
Push-pull booster circuit with a pair of inductors for coupling
Detachable unit electronic camera
Method and apparatus for displaying module diagnostic results
Ultrasonic imaging scanner
CXCR1 and CXCR2 chemokine antagonists
Optical switch device