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
Dynamic rebasing of persisted time information
Charging seat having cleaning member
Cryptography on a simplified elliptical curve
Reoccuring keying system
Mesa-shaped piezoelectric resonator element
Controlling a resource demand system
Method and system for updating device management application meter read logic
  Randomly Featured Patents
Seismic vibrator controlled by directly detecting base plate motion
System and method for content-based object ranking to facilitate information lifecycle management
System, method, and computer program product for reducing overhead associated with software lock monitoring
Medical skin mountable device and system
Device for trapping debris against a toolhead
Electrode interface for high-dielectric-constant materials
Crystalline lactitol monohydrate and a process for the preparation thereof, use thereof, and sweetening agent
Working machine
Endometriosis-associated gene
Sink