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Class Information
Number: 210/699
Name: Liquid purification or separation > Processes > Preventing, decreasing, or delaying precipitation, coagulation or flocculation > Utilizing organic agent > Phosphorus containing
Description: Process wherein the organic compound contains phosphorus.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7404902 |
Method for treating water |
Jul. 29, 2008 |
| 7252769 |
Use of cerium salts to inhibit manganese deposition in water systems |
Aug. 7, 2007 |
| 7252770 |
Multifunctional calcium carbonate and calcium phosphate scale inhibitor |
Aug. 7, 2007 |
| 7186394 |
Retarding agents for preparing purified brine |
Mar. 6, 2007 |
| 7144513 |
Water treatment method in high cycle dispensing systems for scale control |
Dec. 5, 2006 |
| 7115201 |
Method of treating mine drainage |
Oct. 3, 2006 |
| 6995120 |
Scale control composition for high scaling environments |
Feb. 7, 2006 |
| 6932909 |
Method of treating mine drainage |
Aug. 23, 2005 |
| 6846452 |
Scale inhibitor for an aqueous system |
Jan. 25, 2005 |
| 6814930 |
Galvanized metal corrosion inhibitor |
Nov. 9, 2004 |
| 6767470 |
Method for cleaning and maintaining water delivery systems |
Jul. 27, 2004 |
| 6723246 |
Filter cleaning method |
Apr. 20, 2004 |
| 6645384 |
Method for inhibiting scale in high-cycle aqueous systems |
Nov. 11, 2003 |
| 6620328 |
Control of barium sulfate scaling |
Sep. 16, 2003 |
| 6468470 |
Galvanized metal corrosion inhibitor |
Oct. 22, 2002 |
| 6395185 |
Scale inhibitors |
May. 28, 2002 |
| 6391207 |
Treatment of scale |
May. 21, 2002 |
| 6365116 |
Rheology modification of settled solids in mineral processing |
Apr. 2, 2002 |
| 6264839 |
Phosphonomethylated polyvinylamines and preparation and use thereof |
Jul. 24, 2001 |
| 6231768 |
Rheology modification of settled solids in mineral processing |
May. 15, 2001 |
| 6183649 |
Method for treating water circulating systems |
Feb. 6, 2001 |
| 6077440 |
Inhibition of silica and silicate deposition |
Jun. 20, 2000 |
| 6066260 |
Means of and process for regulating the hardness and pH value of water in freshwater aquaria |
May. 23, 2000 |
| 6063289 |
Method for controlling scale using synergistic phosphonate blends |
May. 16, 2000 |
| 6063288 |
Inhibition of silica and silicate deposition using imidazolines |
May. 16, 2000 |
| 6063290 |
Method for controlling scale using synergistic phosphonate blends |
May. 16, 2000 |
| 6022516 |
Method of reducing the formation of scale in the production of soda ash from trona and nahcolite ores |
Feb. 8, 2000 |
| 6001264 |
Water-treating agent and method for treating water |
Dec. 14, 1999 |
| 5866032 |
Composition for controlling scale formation in aqueous systems |
Feb. 2, 1999 |
| 5858176 |
Compositions and methods for inhibiting fouling of vinyl monomers |
Jan. 12, 1999 |
| 5800732 |
All-in-one treatment agent for cooling water |
Sep. 1, 1998 |
| 5788857 |
Hydroxyimino alkylene phosphonic acids for corrosion and scale inhibition in aqueous systems |
Aug. 4, 1998 |
| 5776875 |
Use of biodegradable polymers in preventing scale build-up |
Jul. 7, 1998 |
| 5772893 |
Ether diphosphonate scale inhibitors |
Jun. 30, 1998 |
| 5716529 |
Water-treating agent and method for treating water |
Feb. 10, 1998 |
| 5702634 |
Aqueous system containing a synergistic combination including polyether polyamino methylene phosphates for controlling calcium carbonate and calcium phosphate scale |
Dec. 30, 1997 |
| 5700368 |
Treatments to reduce aldol condensation and subsequent polymerization in caustic acid gas scrubbers |
Dec. 23, 1997 |
| 5683588 |
Stabilization of catalyzed aqueous sulfite and bisulfite ion solutions |
Nov. 4, 1997 |
| 5681479 |
Phosphonic cotelomers and method of use |
Oct. 28, 1997 |
| 5670055 |
Use of the linear alkylbenzene sulfonate as a biofouling control agent |
Sep. 23, 1997 |
| 5662803 |
Stabilizers for additives in aqueous systems containing ozone |
Sep. 2, 1997 |
| 5658464 |
Method of inhibiting sulfate scale in aqueous systems using poly(amino acids) |
Aug. 19, 1997 |
| 5658465 |
Method for inhibiting the deposition of silica and silicate compounds in water systems |
Aug. 19, 1997 |
| 5647995 |
Method for the control of calcium carbonate scale using compounds prepared from acetylenic compounds and inorganic phosphite salts and their derivatives |
Jul. 15, 1997 |
| 5645756 |
Hardness suppression in urea solutions |
Jul. 8, 1997 |
| 5616278 |
Inhibition of scale and corrosion in aqueous systems |
Apr. 1, 1997 |
| 5614080 |
Treatments to reduce aldol condensation and subsequent polymerization in monoethanolamine scrubbers |
Mar. 25, 1997 |
| 5578246 |
Corrosion inhibiting compositions for aqueous systems |
Nov. 26, 1996 |
| 5575920 |
Method of inhibiting scale and controlling corrosion in cooling water systems |
Nov. 19, 1996 |
| 5562830 |
Calcium carbonate scale controlling method |
Oct. 8, 1996 |
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