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Class Information
Number: 252/389.22
Name: Compositions > Preservative agents > Anti-corrosion > Organic compound containing > Component inorganic or organic comprising element other than c,h,o,n,s, and halogen > Phosphorus containing > Nitrogen and/or sulfur in phosphorus compound > Pentavalent p, except h(n+2)pno(3n+1)
Description: Compositions in which the Phosphorus containing compound includes pentavalent Phosphorus, such as phospho and phosphono compounds, while excluding compounds of the formula H (n+2)P nO (3n+1) (i.e., the phosphoric and polyphosphoric acids).
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7351764 |
Methods to enhance brightness of pulp and optimize use of bleaching chemicals |
Apr. 1, 2008 |
| 7141174 |
Modified amine for boiler water treatment |
Nov. 28, 2006 |
| 6995120 |
Scale control composition for high scaling environments |
Feb. 7, 2006 |
| 6953537 |
Corrosion inhibitor |
Oct. 11, 2005 |
| 6814930 |
Galvanized metal corrosion inhibitor |
Nov. 9, 2004 |
| 6797197 |
Modified amine for boiler water treatment |
Sep. 28, 2004 |
| 6706214 |
Composition and process for inhibiting corrosion of metallic substrates |
Mar. 16, 2004 |
| 6508958 |
Composition and process for inhibiting corrosion of metallic substrates |
Jan. 21, 2003 |
| 6468470 |
Galvanized metal corrosion inhibitor |
Oct. 22, 2002 |
| 6464900 |
Scale corrosion inhibiting composition |
Oct. 15, 2002 |
| 6416712 |
Corrosion inhibition method suitable for use in potable water |
Jul. 9, 2002 |
| 6383414 |
Use of corrosion inhibiting compounds to inhibit corrosion of metal plugs in chemical-mechanical polishing |
May. 7, 2002 |
| 6200529 |
Corrosion inhibition method suitable for use in potable water |
Mar. 13, 2001 |
| 6123869 |
Precipitation of scale inhibitors |
Sep. 26, 2000 |
| 6090345 |
Phosphorus-containing compounds based on 1-hydroxypropane-1, 3-diphosphonic acid |
Jul. 18, 2000 |
| 6083403 |
Stabilized substituted aminomethane-1, 1-diphosphonic acid n-oxides and use thereof in preventing scale and corrosion |
Jul. 4, 2000 |
| 6022401 |
Biodegradable modified polyaspartic polymers for corrosion and scale control |
Feb. 8, 2000 |
| 6001888 |
Activator for the depolymerization of polysiloxanes which are crosslinked, optionally contain fillers and/or are uncrosslinked |
Dec. 14, 1999 |
| 5980619 |
Corrosion-inhibiting coating composition for metals |
Nov. 9, 1999 |
| RE36291 |
Reaction product of nitrogen bases and phosphate esters as corrosion inhibitors |
Sep. 7, 1999 |
| 5871667 |
Inhibiting ferrous metal corrosion by aqueous ammoniate solutions |
Feb. 16, 1999 |
| 5863415 |
Control of naphthenic acid corrosion with thiophosporus compounds |
Jan. 26, 1999 |
| 5858282 |
Aqueous amine fluoride neutralizing composition for metal pretreatments containing organic resin and method |
Jan. 12, 1999 |
| 5788857 |
Hydroxyimino alkylene phosphonic acids for corrosion and scale inhibition in aqueous systems |
Aug. 4, 1998 |
| 5750070 |
Use of biodegradable polymers in preventing corrosion and scale build-up |
May. 12, 1998 |
| 5693290 |
Inhibition of corrosion in aqueous systems |
Dec. 2, 1997 |
| 5646101 |
Machine dishwashing detergents containing an oxygen bleach and an anti-tarnishing mixture of a paraffin oil and sequestrant |
Jul. 8, 1997 |
| 5612372 |
Liquid dispersants for pesticides |
Mar. 18, 1997 |
| 5593595 |
Method for controlling scale using a synergistic phosphonate combination |
Jan. 14, 1997 |
| 5589106 |
Carbon steel corrosion inhibitors |
Dec. 31, 1996 |
| 5407597 |
Galvanized metal corrosion inhibitor |
Apr. 18, 1995 |
| 5380466 |
Reaction product of nitrogen bases and phosphate esters as corrosion inhibitors |
Jan. 10, 1995 |
| 5358642 |
Polyether polyamino methylene using phosphonates method for high pH scale control |
Oct. 25, 1994 |
| 5322640 |
Water soluble corrosion inhibitors |
Jun. 21, 1994 |
| 5320779 |
Use of molybdate as corrosion inhibitor in a zinc/phosphonate cooling water treatment |
Jun. 14, 1994 |
| 5298221 |
Inhibition of scale formation and corrosion by sulfonated organophosphonates |
Mar. 29, 1994 |
| 5171362 |
Concrete construction material and method adapted to prevent chemical corrosion of metals located adjacent thereto |
Dec. 15, 1992 |
| 5167866 |
Control of corrosion in aqueous systems using certain phosphonomethyl amine oxides |
Dec. 1, 1992 |
| 5143622 |
Phosphinic acid-containing polymers and their use in preventing scale and corrosion |
Sep. 1, 1992 |
| 5127954 |
Corrosion inhibiting systems, products containing residual amounts of such systems, and methods therefor |
Jul. 7, 1992 |
| 5089150 |
Method of increasing retention of scale inhibitors in subterranean formations |
Feb. 18, 1992 |
| 5073339 |
Method of inhibiting corrosion and scale formation in aqueous systems |
Dec. 17, 1991 |
| 5071579 |
Corrosion inhibiting systems, products containing residual amounts of such systems, and methods therefor |
Dec. 10, 1991 |
| 5068059 |
Corrosion inhibitor |
Nov. 26, 1991 |
| 5059333 |
Dissolution of sulfate scales |
Oct. 22, 1991 |
| 5043099 |
Mono- and di-substituted (diphosphonoalkylamino methyl)-4-hydroxybenzenesulfonic acid |
Aug. 27, 1991 |
| 4992184 |
Phosphite sulfonate reaction products as multifunctional additives |
Feb. 12, 1991 |
| 4950474 |
Combination corrosion and scale inhibiting system containing phosphonate/amine reaction product |
Aug. 21, 1990 |
| 4927561 |
Multifunctional antifoulant compositions |
May. 22, 1990 |
| 4913880 |
Novel amine-containing copolymers and their use |
Apr. 3, 1990 |
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