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
Scheduler for search engine crawler
Zippered vehicle rear bumper protector
Optical interconnect device and method for manufacturing the same
Image processing apparatus including an input section and a generating section for printing image data, printing system, and computer readable medium
Entertainment device and method of interaction
Dynamic cache queue allocation based on destination availability
Method and system for monitoring and analyzing tickets
  Randomly Featured Patents
Ink jet printing apparatus
Decoupled applications for printed materials
Method and apparatus for evaluating audio distortion
P38 MAP kinase inhibitors
Reconfigurable work station for a video display unit and keyboard
Medicinal radioactive ruthenium radiation sources with high dosage rate and method for producing the same
Method and apparatus for venting slaughtered poultry
Acridinium compounds and conjugates thereof
Process for the preparation of .beta.-amino alcohol
Program, method and apparatus for managing electronic documents