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
Carbon blacks having low PAH amounts and methods of making same
Nano-pigment inkjet ink composition that has a low odor and is environmentally-friendly
Image forming apparatus assembled with a fixing member and a pressing member
Oscillator circuit which compensates for external voltage supply, temperature and process
Image heating apparatus
Automatically capturing images that include lightning
Optical splitter device
  Randomly Featured Patents
Automated method for adding hooks to software
Voltage control sensor and control interface for radio frequency power regulation in a plasma reactor
Speaker clamp
Method and transport apparatus for pre-fusing toner on a print material
Antiseptic compositions, methods and systems
Substituted gamma lactams as therapeutic agents
Warning apparatus against the coverlet out of position
Premixing fuel and air
Data transmission terminal