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Class Information
Number: 423/309
Name: Chemistry of inorganic compounds > Phosphorus or compound thereof > Oxygen containing > Metal or ammonium containing > Hydrogen containing > Orthophosphate (e.g., calcium hydroxyapatite) > Utilizing phosphoric acid or its anhydride as reactant
Description: Processes which include the step of reacting phosphoric acid or its anhydride.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7601319 |
Process for the manufacture of monobasic potassium phosphate |
Oct. 13, 2009 |
| 7566432 |
Method of synthesizing zirconium phosphate particles |
Jul. 28, 2009 |
| 7557060 |
Solid phosphoric acid with controlled porosity |
Jul. 7, 2009 |
| 7385803 |
Tetravalent metal acid triphosphates |
Jun. 10, 2008 |
| 7374740 |
Process for producing high purity phosphates |
May. 20, 2008 |
| 7374739 |
Calcium phosphate bone replacement materials and methods of use thereof |
May. 20, 2008 |
| 7354966 |
Compounds for use as surfactants |
Apr. 8, 2008 |
| 7273596 |
Method of producing granulated anhydrous dicalcium phosphate |
Sep. 25, 2007 |
| 7255962 |
Eulytite solid acid electrolytes for electrochemical devices |
Aug. 14, 2007 |
| 7169372 |
Method for producing nano-sized crystalline hydroxyapatite |
Jan. 30, 2007 |
| 7153482 |
Rod shaped apatite crystals having a specific length-to-width ratio |
Dec. 26, 2006 |
| 7150862 |
Method of manufacturing powder |
Dec. 19, 2006 |
| 7101522 |
Production of dicalcium phosphate or monocalcium phosphate |
Sep. 5, 2006 |
| 7045105 |
Calcium phosphate bone replacement materials and methods of use thereof |
May. 16, 2006 |
| 7018460 |
Self-hardening calcium phosphate materials with high resistance to fracture, controlled strength histories and tailored macropore formation rates |
Mar. 28, 2006 |
| 6960328 |
Zirconium phosphate and method of making same |
Nov. 1, 2005 |
| 6955716 |
Self-hardening calcium phosphate materials with high resistance to fracture, controlled strength histories and tailored macropore formation rates |
Oct. 18, 2005 |
| 6936175 |
Zirconium phosphate, hafnium phosphate and method of making same |
Aug. 30, 2005 |
| 6911188 |
Production of two alkali metal salts by a combined ion exchange and crystallization process |
Jun. 28, 2005 |
| 6881227 |
Hydroxylapatite material containing tricalcium phosphate with microporous structure |
Apr. 19, 2005 |
| 6818196 |
Zirconium phosphate and method of making the same |
Nov. 16, 2004 |
| 6720023 |
Method for preparation of the supersaturated solution of calcium phosphate and the thin film of calcium phosphate crystal by using the solution |
Apr. 13, 2004 |
| 6689335 |
Silver ion sequester and release agent |
Feb. 10, 2004 |
| 6652823 |
Process for the synthesis of VPO catalysts |
Nov. 25, 2003 |
| 6599493 |
Method for preparing hydrous iron oxide gels and spherules |
Jul. 29, 2003 |
| 6585946 |
Process for the preparation of magnesium and carbonate substituted hydroxyapatite |
Jul. 1, 2003 |
| 6582672 |
Method for the preparation of carbonated hydroxyapatite compositions |
Jun. 24, 2003 |
| 6569396 |
Method for producing calcium phosphate powder |
May. 27, 2003 |
| 6565756 |
Method for the conditioning of phosphoric acid |
May. 20, 2003 |
| 6334891 |
Paste compositions capable of setting into carbonated apatite |
Jan. 1, 2002 |
| 6312468 |
Silicon-substituted apatites and process for the preparation thereof |
Nov. 6, 2001 |
| 6183711 |
Apatite-forming-systems: methods and products |
Feb. 6, 2001 |
| 6110851 |
Process for producing a ceramic material based on calcium phosphate compounds and use of this material |
Aug. 29, 2000 |
| 6103810 |
Glass/polymer melt blends |
Aug. 15, 2000 |
| 6051200 |
Process for preparing hemipotassium phosphate |
Apr. 18, 2000 |
| 6002065 |
Kits for preparing calcium phosphate minerals |
Dec. 14, 1999 |
| 5997624 |
Self-setting calcium phosphate cements and methods for preparing and using them |
Dec. 7, 1999 |
| 5997833 |
Apparatus and process for purifying highly impure calcium hydroxide and for producing high-value precipitated calcium carbonate and other calcium products |
Dec. 7, 1999 |
| 5962028 |
Carbonated hydroxyapatite compositions and uses |
Oct. 5, 1999 |
| 5954867 |
Self setting calcium phosphate cements and methods for preparing and using them |
Sep. 21, 1999 |
| 5952010 |
Paste compositions capable of setting into carbonated apatite |
Sep. 14, 1999 |
| 5919426 |
Products of apatite-forming-systems |
Jul. 6, 1999 |
| 5900254 |
Carbonated hydroxyapatite compositions and uses |
May. 4, 1999 |
| 5858318 |
Methods of synthesizing hydroxyapatite powders and bulk materials |
Jan. 12, 1999 |
| 5846500 |
Process for purifying highly impure calcium hydroxide and for producing high-value precipitated calcium carbonate and other calcium products |
Dec. 8, 1998 |
| 5820632 |
Prepared calcium phosphate composition and method |
Oct. 13, 1998 |
| 5711779 |
Method for forming zinc phosphate based glasses |
Jan. 27, 1998 |
| 5702677 |
Spherical hydroxyapatite particles and process for the production thereof |
Dec. 30, 1997 |
| 5693303 |
Method for the production of a calcium phosphate product |
Dec. 2, 1997 |
| 5683496 |
Storage stable calcium phosphate cements |
Nov. 4, 1997 |
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