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Class Information
Number: 252/180
Name: Compositions > Water-softening or purifying or scale-inhibiting agents > Plant or organic material containing
Description: Compositions which contain plants, plant parts or extracts, or organic compounds.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7452487 |
Phosphorus-acid-group-containing (meth) acrylamide, its polymer and use thereof, and their production methods |
Nov. 18, 2008 |
| 7442755 |
Polymers for preventing or reducing aluminosilicate scale in a bayer process |
Oct. 28, 2008 |
| 7390415 |
Method and compositions for preventing or reducing aluminosilicate scale in alkaline industrial processes |
Jun. 24, 2008 |
| 7316787 |
Methods for controlling silica scale in aqueous systems |
Jan. 8, 2008 |
| 7270766 |
Feed water composition for boilers |
Sep. 18, 2007 |
| 7252783 |
Treatment of suspensions |
Aug. 7, 2007 |
| 7241391 |
Biodegradable scale and corrosion inhibitor composition |
Jul. 10, 2007 |
| 7204937 |
Metal oxides dispersant composition |
Apr. 17, 2007 |
| 7186394 |
Retarding agents for preparing purified brine |
Mar. 6, 2007 |
| 7150854 |
Device for generating aqueous chlorine dioxide solutions |
Dec. 19, 2006 |
| 7141181 |
Composition comprising amphoteric polymeric flocculants |
Nov. 28, 2006 |
| 7098327 |
Dual-functional ion exchange resins from agricultural by-products |
Aug. 29, 2006 |
| 7087189 |
Multifunctional calcium carbonate and calcium phosphate scale inhibitor |
Aug. 8, 2006 |
| 7081212 |
Solid free-flowing phosphonate composition |
Jul. 25, 2006 |
| 7077976 |
Phosphonamide and phosphonamide blend compositions to treat water |
Jul. 18, 2006 |
| 7052579 |
Pitch control composition |
May. 30, 2006 |
| 7030163 |
Biocidal composition |
Apr. 18, 2006 |
| 7030258 |
Water-capturing agent and organic EL device |
Apr. 18, 2006 |
| 7018561 |
Product stability enhancement with phosphonium salts |
Mar. 28, 2006 |
| 7008910 |
Rust inhibitor |
Mar. 7, 2006 |
| 6986852 |
Process for conditioning standing and flowing water systems |
Jan. 17, 2006 |
| 6979411 |
Water treatment agent for extending water exchange intervals in tank systems |
Dec. 27, 2005 |
| 6960304 |
Wastewater treatment |
Nov. 1, 2005 |
| 6926836 |
Treatment of iron sulphide deposits |
Aug. 9, 2005 |
| 6896980 |
Water-scavenging agent for an organic electroluminescent device and organic electroluminescent device comprising same |
May. 24, 2005 |
| 6855268 |
Composition useful for conditioning sludge derived from the treatment of an aqueous medium and uses thereof |
Feb. 15, 2005 |
| 6852009 |
Polishing composition and polishing method employing it |
Feb. 8, 2005 |
| 6846452 |
Scale inhibitor for an aqueous system |
Jan. 25, 2005 |
| 6846419 |
Phosphonamide and phosphonamide blend compositions and method to treat water |
Jan. 25, 2005 |
| 6846432 |
Removal of phosphate from water |
Jan. 25, 2005 |
| 6841089 |
Detoxification of onium compounds |
Jan. 11, 2005 |
| 6821427 |
Methods for reducing the amount of contaminants in water |
Nov. 23, 2004 |
| 6814873 |
Method of preventing or reducing aluminosilicate scale in a bayer process |
Nov. 9, 2004 |
| 6814885 |
Scale and corrosion inhibitors |
Nov. 9, 2004 |
| 6805803 |
Process for flocculating suspensions |
Oct. 19, 2004 |
| 6802988 |
Antifreeze concentrates based on dicarboxylic acids, molybdate and triazoles or thiazoles, and coolant compositions comprising them |
Oct. 12, 2004 |
| 6797177 |
Process for inhibiting scale and fouling on the metal surfaces exposed to an aqeuous system |
Sep. 28, 2004 |
| 6797195 |
Method for recovering and separating metals from waste streams |
Sep. 28, 2004 |
| 6719881 |
Acid colloid in a microparticle system used in papermaking |
Apr. 13, 2004 |
| 6669853 |
Composition for removing dissolved oxygen from a fluid |
Dec. 30, 2003 |
| 6669851 |
Water purification by polymer colloids |
Dec. 30, 2003 |
| 6656365 |
Process for preventing formation of scale |
Dec. 2, 2003 |
| 6656723 |
Odor controlling composition and methods of making and using |
Dec. 2, 2003 |
| 6645384 |
Method for inhibiting scale in high-cycle aqueous systems |
Nov. 11, 2003 |
| 6645400 |
Corrosion control utilizing a hydrogen peroxide donor |
Nov. 11, 2003 |
| 6641740 |
Method for combating hard water and scale by using algins |
Nov. 4, 2003 |
| 6641754 |
Method for controlling scale formation and deposition in aqueous systems |
Nov. 4, 2003 |
| 6623658 |
Additive for controlling secondary contaminates |
Sep. 23, 2003 |
| 6620338 |
Composition for inhibition of metal corrosion |
Sep. 16, 2003 |
| 6613899 |
Method for preventing deposits in oil extraction |
Sep. 2, 2003 |
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