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
Stereoscopic editing for video production, post-production and display adaptation
Method for modeling and analyzing linear time invariant systems with time delays
System for purifying air through germicidal irradiation and method of manufacture
Antennas and their coupling characteristics for wireless power transfer via magnetic coupling
Location-based method to specify ratio frequency spectrum rights
Techniques for forming a contact to a buried diffusion layer in a semiconductor memory device
Utilizing virtually stored media snapshots for rasterizing print jobs
  Randomly Featured Patents
Diaper backsheet
Printing up to edges of printing paper without platen soiling
Snowboard locking system
Information receiving apparatus and control method thereof
Method for connecting two bodies
Simulator arrangement
Azalides and methods of making same
Apparatus and method for measuring a nerve diameter
Method and circuit board structure for leveling solder balls in ball grid array semiconductor packages
Optoelectronic transceiver for a bidirectional optical signal transmission