| |
 |
|
Class Information
Number: 23/293R
Name: Chemistry: physical processes > Physical processes
Description:
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7494635 |
Boron nitride agglomerated powder |
Feb. 24, 2009 |
| 7357835 |
Production of crystalline materials by using high intensity ultrasound |
Apr. 15, 2008 |
| 7128840 |
Ultrasound enhanced process for extracting metal species in supercritical fluids |
Oct. 31, 2006 |
| 7097671 |
Method of cleaning industrial gases |
Aug. 29, 2006 |
| 6960256 |
Formation of small crystals |
Nov. 1, 2005 |
| 6821339 |
Process for the crystallization of non-sucrose substances |
Nov. 23, 2004 |
| 6818142 |
Potassium hydrogen peroxymonosulfate solutions |
Nov. 16, 2004 |
| 6652822 |
Spherical boron nitride particles and method for preparing them |
Nov. 25, 2003 |
| 6610267 |
Method for manufacturing a calcium nitrate melt and product thereof |
Aug. 26, 2003 |
| 6541426 |
Method to produce pesticide suspension concentrates |
Apr. 1, 2003 |
| 6364920 |
CMP formulations |
Apr. 2, 2002 |
| 6333019 |
Method for operating a chemical and/or physical process by means of a hierarchical fluid injection system |
Dec. 25, 2001 |
| 6217622 |
Method and apparatus for precipitating and classifying solids in high concentrations |
Apr. 17, 2001 |
| 6162263 |
Method for producing and shipping metal cyanide salts |
Dec. 19, 2000 |
| 6159252 |
Process and device for producing granulates by fluidized bed spray granulation |
Dec. 12, 2000 |
| 6110438 |
Method of making black phosphorus from red phosphorus |
Aug. 29, 2000 |
| 6056791 |
Process for the production of particles or powders |
May. 2, 2000 |
| 5969044 |
Method of packaging air- and/or moisture-sensitive materials and for introducing the packaged materials into a reactor |
Oct. 19, 1999 |
| 5935275 |
Process for producing weakly agglomerated nanoscalar particles |
Aug. 10, 1999 |
| 5837211 |
Compositions and method for foam control in Bayer process |
Nov. 17, 1998 |
| 5807410 |
Process for removing elemental sulfur from a gas stream |
Sep. 15, 1998 |
| 5660599 |
Process for the recycling of spent indium oxide-tin oxide sputtering targets |
Aug. 26, 1997 |
| 5578285 |
Process for reducing the average particle size of ammonium paratungstate powders |
Nov. 26, 1996 |
| 5433932 |
Process to recover azide values from azide-based gas generating materials |
Jul. 18, 1995 |
| 5395806 |
Dense, granular alkaline earth metal carbonate and alkali metal salt composition for use in glass manufacture |
Mar. 7, 1995 |
| 5383940 |
Process of producing solid sodium cyanide |
Jan. 24, 1995 |
| 5374766 |
Ester and method for production thereof as well as hydrolysis process and determination of optical purity using this ester |
Dec. 20, 1994 |
| 5366513 |
Preparation of granulated alkaline earth metal carbonate |
Nov. 22, 1994 |
| 5346511 |
Antifoam/defoamer compositions for Bayer process |
Sep. 13, 1994 |
| 5336271 |
Method for increasing the proportion of a crystalline organic compound which remains uncrystallized in a composite particulate product and suppressing recrystallization |
Aug. 9, 1994 |
| 5286470 |
Silicate products |
Feb. 15, 1994 |
| 5281242 |
Method for recovering magnesium sulfate products from mixtures of epsomite and halite |
Jan. 25, 1994 |
| 5275793 |
Direct coupled degasser and liquefier |
Jan. 4, 1994 |
| 5269817 |
Process and apparatus for the crystallization of a melt |
Dec. 14, 1993 |
| 5201923 |
Stoichiometric B1-type tantalum nitride and a sintered body thereof and method of synthesizing the B1-type tantalum nitride |
Apr. 13, 1993 |
| 5194067 |
Recovery of hydrogen peroxide |
Mar. 16, 1993 |
| 5169406 |
Method and a device for preparing brine |
Dec. 8, 1992 |
| 5164263 |
Aluminum nitride flakes and spheres |
Nov. 17, 1992 |
| 5160470 |
Method for compacting silica fume |
Nov. 3, 1992 |
| 5147412 |
Production of dispersions of spherical particles by crystallization of emulsions |
Sep. 15, 1992 |
| 5087335 |
Process for cooling of gaseous chlorine |
Feb. 11, 1992 |
| 5066441 |
Process for compacting a calcium phosphate composition |
Nov. 19, 1991 |
| 5011819 |
Process using supercritical conditions for producing highly accurate and homogeneous powder mixture useful in fabrication of high quality ceramic superconductors |
Apr. 30, 1991 |
| 4938946 |
Lunar hydrogen recovery process |
Jul. 3, 1990 |
| 4908197 |
Aluminum nitride flakes and spheres |
Mar. 13, 1990 |
| 4902301 |
Process for shipment of sodium cyanide slurries |
Feb. 20, 1990 |
| 4897085 |
Recovery of hydrogen peroxide |
Jan. 30, 1990 |
| 4888161 |
Method of forming dense, unsintered, granular alkaline earth metal carbonates |
Dec. 19, 1989 |
| 4888308 |
Glass manufacture using dense, unsintered, granular alkaline earth metal carbonates |
Dec. 19, 1989 |
| 4877595 |
Method of compressing pyrogenically prepared silicic acid |
Oct. 31, 1989 |
|
|
|
