US Patent No: 7,204,937
Number of patents in Portfolio can not be more than 2000
Metal oxides dispersant composition
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Apr 17, 2007
Issued date -
Jan 10, 2003
filing date -
10/340,318
serial no -
In Force
status
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Abstract
This invention relates to metal oxides dispersant compositions comprising (a) certain a metal oxides dispersant, and (b) an oxime. The invention also relates to a process for dispersing metal oxides in an aqueous system that involves adding the dispersant composition to the aqueous system.
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First Claim
Related Publications
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International Classification(s)
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Cited Art
| Patent Info | (Count) | # Cites | Year |
|---|---|---|---|
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| 4,952,324 Boiler water treatment | 10 | 1989 | |
| 5,108,619 Method of inhibiting deposition on heat transfer surfaces in boilers | 4 | 1991 | |
| 5,128,427 Terpolymer from sodium arcylate, sodium salt of amps and allyl ether of glycerol | 3 | 1991 | |
| 5,169,537 Water soluble terpolymers and methods of use thereof | 8 | 1992 | |
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| 5,091,108 Method of retarding corrosion of metal surfaces in contact with boiler water systems which corrosion is caused by dissolved oxygen | 16 | 1991 | |
| 5,167,835 Method of scavenging oxygen from boiler waters with substituted quinolines | 17 | 1991 | |
| 5,660,736 Sodium sulfoxylate formaldehyde as a boiler additive for oxygen scavenging | 4 | 1996 | |
| 5,876,623 Biodegradable aspartic acid polymers for preventing scale formation in boilers | 12 | 1996 | |
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| 4,255,259 Scale inhibition | 33 | 1979 | |
| 4,306,991 Scale inhibition | 20 | 1980 | |
| 4,692,317 Corrosion control in aqueous systems using cationic polymers in combination with phosphonohydroxyacetic acid | 9 | 1985 | |
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| 6,337,047 Process for dispersing iron oxide in steam generating boilers | 2 | 1998 | |
| 2003/0086,816 Process for removing iron oxide deposit from a metal surface in contact with an aqueous system | 2 | 2002 | |
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| 4,269,702 Ore treatment process | 6 | 1978 | |
| 5,316,696 Composition | 4 | 1991 | |
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| 4,487,745 Oximes as oxygen scavengers | 21 | 1983 | |
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| 4,931,206 Boiler water treatment composition | 5 | 1989 | |
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| 5,376,731 Telomers | 18 | 1992 | |
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| 4,913,823 Process for dissolving and removing scale from aqueous systems | 32 | 1988 | |
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| 5,750,037 Use of tartronic acid as an oxygen scavenger | 8 | 1996 | |
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| 4,231,866 Recovery of organic and aqueous phases from solvent extraction emulsions | 5 | 1978 | |
Patent Citation Ranking
Maintenance Fees
| Fee | Large entity fee | small entity fee | micro entity fee | due date |
|---|---|---|---|---|
| 7.5 Year Payment | $3600.00 | $1800.00 | $900.00 | Oct 17, 2014 |
| 11.5 Year Payment | $7400.00 | $3700.00 | $1850.00 | Oct 17, 2018 |
| Fee | Large entity fee | small entity fee | micro entity fee |
|---|---|---|---|
| Surcharge - 7.5 year - Late payment within 6 months | $160.00 | $80.00 | $40.00 |
| Surcharge - 11.5 year - Late payment within 6 months | $160.00 | $80.00 | $40.00 |
| Surcharge after expiration - Late payment is unavoidable | $700.00 | $350.00 | $175.00 |
| Surcharge after expiration - Late payment is unintentional | $1,640.00 | $820.00 | $410.00 |