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Class Information
Number: 423/335
Name: Chemistry of inorganic compounds > Silicon or compound thereof > Oxygen containing > Silica
Description: Products or processes in which the product is silicon dioxide (Si O2
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7618608 |
Aerogel and method of manufacturing same |
Nov. 17, 2009 |
| 7615201 |
Spherical particles of silica-containing compound oxide and method of production |
Nov. 10, 2009 |
| 7615206 |
Methods of fabricating nanoscale-to-microscale structures |
Nov. 10, 2009 |
| 7611815 |
External additive for toner for electrophotography, toner for electrophotography, double-component developer for electrophotography, image-forming process using the toner, and image-forming ap |
Nov. 3, 2009 |
| 7608234 |
Precipitated silicas with particular pore size distribution |
Oct. 27, 2009 |
| 7585481 |
Method for producing amorphous silica ash |
Sep. 8, 2009 |
| 7585480 |
Highly pure ultra-fine SiOx powder and method for production thereof |
Sep. 8, 2009 |
| 7582278 |
Microporous crystalline zeolite material, zeolite ITQ-32, preparation method thereof and use of same |
Sep. 1, 2009 |
| 7576035 |
Honeycomb structure and method for manufacturing honeycomb structure |
Aug. 18, 2009 |
| 7572424 |
Self-assembly of nanoporous silica fibers of uniform shape |
Aug. 11, 2009 |
| 7572433 |
Oxides extracted from vegetal matter and process therefor |
Aug. 11, 2009 |
| 7566433 |
Precipitated silicas with a particular pore size distribution |
Jul. 28, 2009 |
| 7563317 |
Silicas |
Jul. 21, 2009 |
| 7560414 |
Adsorbents, process for the production thereof and use thereof |
Jul. 14, 2009 |
| 7553466 |
Method for producing highly pure, granular silicon in a fluidised bed |
Jun. 30, 2009 |
| 7553474 |
Method for producing metal oxide sol |
Jun. 30, 2009 |
| 7541014 |
Pyrogenically produced silica |
Jun. 2, 2009 |
| 7536875 |
Method for suppressing metal contamination in high temperature treatment of materials |
May. 26, 2009 |
| 7537653 |
Microsilica materials with improved pozzolanic activity |
May. 26, 2009 |
| 7534409 |
Pyrogenic silicon dioxide powder and dispersion thereof |
May. 19, 2009 |
| 7534410 |
Method for making silica nanoparticles by flame spray pyrolysis adopting two-fluid nozzle |
May. 19, 2009 |
| 7534411 |
Process for the preparation of pure silica |
May. 19, 2009 |
| 7524478 |
Low water uptake silicas |
Apr. 28, 2009 |
| 7517969 |
Process for isolating nucleic acid with chaotrope agents and ammonium compounds |
Apr. 14, 2009 |
| 7507389 |
Hydrophobic fumed silica |
Mar. 24, 2009 |
| 7504084 |
High velocity, low pressure process for making silica gels and microgels |
Mar. 17, 2009 |
| 7494636 |
Highly dispersible fine hydrophobic silica powder and process for producing the same |
Feb. 24, 2009 |
| 7491375 |
Pyrogenically produced silicon dioxide powder |
Feb. 17, 2009 |
| 7491376 |
Chemical derivatization of silica coated fullerenes and use of derivatized silica coated fullerenes |
Feb. 17, 2009 |
| 7488533 |
Highly oil absorbing amorphous silica particles |
Feb. 10, 2009 |
| 7485282 |
Method for the preparation of metal oxides in nanometric particle form |
Feb. 3, 2009 |
| 7479264 |
Synthetic platy magadiite and octasilicate |
Jan. 20, 2009 |
| 7452518 |
Process for treating synthetic silica powder and synthetic silica powder treated thereof |
Nov. 18, 2008 |
| 7442357 |
Manufacture of silica aerogel via vapor phase reaction |
Oct. 28, 2008 |
| 7439298 |
Pyrogenically produced silicon dioxide powder and silicone sealing compound containing this powder |
Oct. 21, 2008 |
| 7431899 |
Apparatus for the continuous production of silicon oxide powder |
Oct. 7, 2008 |
| 7431912 |
Producing method for zirconia hollow particles |
Oct. 7, 2008 |
| 7427387 |
High-purity quartz powder, process for producing the same, and glass molding |
Sep. 23, 2008 |
| 7413792 |
Structure with oriented tubular pores |
Aug. 19, 2008 |
| 7402297 |
High-silica molecular sieve CHA |
Jul. 22, 2008 |
| 7402293 |
Surface-modified, aerogel-type structured silica |
Jul. 22, 2008 |
| 7378072 |
Method for the preparation of aerogels |
May. 27, 2008 |
| 7378076 |
Process for production of macrostructures of a microporous material |
May. 27, 2008 |
| 7371360 |
Phyllosilicate-intercalation compounds |
May. 13, 2008 |
| RE40299 |
Mesoporous-silica films, fibers, and powders by evaporation |
May. 6, 2008 |
| 7357910 |
Method for producing metal oxide nanoparticles |
Apr. 15, 2008 |
| 7351388 |
Pyrogenically produced silicon dioxide powder |
Apr. 1, 2008 |
| 7335342 |
Process for the preparation of sodium silicate from Kimberlite tailing |
Feb. 26, 2008 |
| 7332144 |
Hydrophobic silica fine powder and making method |
Feb. 19, 2008 |
| 7306788 |
High-cleaning/moderate abrasive silica materials and dentifrice containing such materials |
Dec. 11, 2007 |
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