Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Inventor:
Brekau; Uwe
Address:
Cologne, DE
No. of patents:
2
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
Display device substrate, method for manufacturing the same, display device, method for forming multi-layer wiring, and multi-layer wiring substrate
Biological information monitoring system
Transmitter having a programmable amplifier operating class
Desk
Solid state lighting devices with cellular arrays and associated methods of manufacturing
Cryptography on a simplified elliptical curve
Interconnect, bus system with interconnect and bus system operating method
  Randomly Featured Patents
Retainer cap for fishing rod holder
RAM with dual precharge circuit and write recovery circuitry
Reproduction apparatus
Adjustable chair having programmable control switches
Multi spindle automatic lathe
Electroplating device and process
Modulators of sperm hypermotility and uses thereof
Terminal having retaining piece for holding terminal in housing
Underarm products with water lock component
Ice pack wrap