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Class Information
Number: 23/300
Name: Chemistry: physical processes > Physical processes > Crystallization > With added material
Description: Processes wherein a substance is added to affect or cause crystallization.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7507388 |
Process for production of dense soda, light soda, sodium bicarbonate and sodium silicate from solutions containing bicarbonate |
Mar. 24, 2009 |
| 7427302 |
Method of manufacturing micro-disperse particles of sodium borohydride |
Sep. 23, 2008 |
| 7311837 |
Process for the continuous recovery of free tartaric acid from raw materials containing potassium hydrogentartrate |
Dec. 25, 2007 |
| 7247175 |
Method of purifying a pesticide |
Jul. 24, 2007 |
| 7150766 |
Method of particle formation |
Dec. 19, 2006 |
| 6884268 |
Process for the preparation of granules |
Apr. 26, 2005 |
| 6881231 |
Reduction in mineral salt deposition |
Apr. 19, 2005 |
| 6866688 |
Process to make high-purity wet salt |
Mar. 15, 2005 |
| 6860907 |
Method of particle formation |
Mar. 1, 2005 |
| 6821306 |
Method for producing mixed crystals of disodium 5'-guanylate and disodium 5'-inosinate |
Nov. 23, 2004 |
| 6660049 |
Process for control of crystallization of inorganics from aqueous solutions |
Dec. 9, 2003 |
| 6589906 |
Methods for producing oxides or composites thereof |
Jul. 8, 2003 |
| 6576831 |
Multicrystalline silicon having a low proportion of active grain borders |
Jun. 10, 2003 |
| 6572833 |
Ammonium nitrate bodies and a process for their production |
Jun. 3, 2003 |
| 6570036 |
Co-crystallization process |
May. 27, 2003 |
| 6558435 |
Reactive crystallization method to improve particle size |
May. 6, 2003 |
| 6514475 |
Process for the production of sodium carbonate anhydrate |
Feb. 4, 2003 |
| 6491795 |
Process for recovering benzyl benzoate |
Dec. 10, 2002 |
| 6302958 |
Sonic impinging jet crystallization apparatus and process |
Oct. 16, 2001 |
| 6293973 |
Method of controlling oxalate precipitation in bayer process liquor |
Sep. 25, 2001 |
| 6221153 |
Method for producing large crystals of complex molecules |
Apr. 24, 2001 |
| 6074441 |
Process for producing ultrafine-crystallization products |
Jun. 13, 2000 |
| 6063138 |
Method and apparatus for the formation of particles |
May. 16, 2000 |
| 6056791 |
Process for the production of particles or powders |
May. 2, 2000 |
| 6042622 |
Process for crystallization of alkali metal bicarbonate salts |
Mar. 28, 2000 |
| 6036733 |
Process for the preparation of crystalline sodium silicates |
Mar. 14, 2000 |
| 6022409 |
Method of resolution of two enantiomers by crystallization |
Feb. 8, 2000 |
| 6022385 |
Process for the manufacture of sodium carbonate crystals from minerals or solutions |
Feb. 8, 2000 |
| 5864923 |
Method of forming particles using a supercritical fluid |
Feb. 2, 1999 |
| 5853691 |
Silver halides of altered crystal habit or morphology and methods for producing same |
Dec. 29, 1998 |
| 5853686 |
Calcium carbonates of altered crystal habit or morphology and methods for producing same |
Dec. 29, 1998 |
| 5830242 |
Process for producing metal oxide precipitates |
Nov. 3, 1998 |
| 5728180 |
Adsorbent combinations for enhanced removal of sodium oxalate from bayer process spent liquor |
Mar. 17, 1998 |
| 5716419 |
Process for crystallization of mineral salts |
Feb. 10, 1998 |
| 5614160 |
Composite silicate materials |
Mar. 25, 1997 |
| 5545394 |
Complexation-mediated crystal-forming reactions using complexing agents |
Aug. 13, 1996 |
| 5447543 |
Process for crystallizing inorganic salts |
Sep. 5, 1995 |
| 5435919 |
Optically-active, amhiphilic, water-soluble free-radical addition copolymers and their use in the resolution of racemic mixtures |
Jul. 25, 1995 |
| 5409505 |
Method and apparatus for crystallization of organic matter |
Apr. 25, 1995 |
| 5385586 |
Liquor oxalate stabilizers |
Jan. 31, 1995 |
| 5382265 |
Perchlorate removal process |
Jan. 17, 1995 |
| 5354499 |
Reaction products of lyotropic liquid crystal salt complexes |
Oct. 11, 1994 |
| 5354496 |
Lyotropic liquid crystal salt/inorganic compound complexation products |
Oct. 11, 1994 |
| 5330618 |
Process for separating dissolved solids from a liquid using an anti-solvent and multiple effect evaporators |
Jul. 19, 1994 |
| 5316554 |
Method for processing crystalline ammonium carbamate |
May. 31, 1994 |
| 5312603 |
Using polyglycerines in the Bayer process to increase crystal size of the product |
May. 17, 1994 |
| 5262357 |
Low temperature thin films formed from nanocrystal precursors |
Nov. 16, 1993 |
| 5227007 |
Process for producing crystals of salt of acidic amino acid and basic amino acid |
Jul. 13, 1993 |
| 5202105 |
Method for making hexagonal silicon carbide platelets with the addition of a growth additive |
Apr. 13, 1993 |
| 5173087 |
Crystal growth in a microgravity environment |
Dec. 22, 1992 |
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