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
Reusing data in user run book automation
Soft co-processors to provide a software service function off-load architecture in a multi-core processing environment
Wrench head
Method for counting and segmenting viral particles in an image
Aisle barrier
Methods, systems, and products for providing communications services
Printing system, information processing apparatus, print job processing method, information processing method, program, and storage medium
  Randomly Featured Patents
Projection optical system and exposure apparatus having the same
Hypoxic chamber for euthanasia of animals and method of use
Multiple contour diffractive lens
Enclosure for protecting instruments against adverse environments
Method and device for braking a motor
Gated clock flip-flops
Automated retail shelf unit
Freeze storage container system
Soybean variety 4953710
Intrinsically-safe roof hazard alert module