US Patent No: 7,708,826
Number of patents in Portfolio can not be more than 2000
Additive for dewaterable slurry and slurry incorporating same
Stats
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May 4, 2010
Issued date -
Aug 21, 2008
filing date -
12/195,533
serial no -
In Force
status
Importance
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Abstract
A cementitious slurry comprising fly ash having a predominant particle size of up to about 10 microns, and/or aluminous material having a predominant particle size of up to about 150 microns. The additive acts as a water reduction agent and can replace either wholly or partially a conventional plasticizer.
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First Claim
Related Publications
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International Classification(s)
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- [Patents Count]
Cited Art
| Patent Info | (Count) | # Cites | Year |
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| 6,824,715 Method and apparatus for forming a laminated sheet material by spattering | 10 | 2002 | |
| 7,396,402 Coatings for building products and dewatering aid for use with same | 8 | 2002 | |
| 7,419,544 Additive for dewaterable slurry and slurry incorporating same | 13 | 2004 | |
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| 4,450,022 Method and apparatus for making reinforced cement board | 68 | 1982 | |
| 4,504,335 Method for making reinforced cement board | 47 | 1983 | |
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| 6,832,652 Ultra low density cementitious slurries for use in cementing of oil and gas wells | 70 | 2003 | |
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| 6,372,694 Suspensions with high storage stability, comprising an aqueous silicate solution and a filler material | 26 | 1999 | |
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| 5,549,859 Methods for the extrusion of novel, highly plastic and moldable hydraulically settable compositions | 41 | 1994 | |
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| 5,030,287 Cement mix and method for producing reinforced building sheets from a cement mix | 9 | 1989 | |
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| 4,260,645 Latent fingerprint detection | 12 | 1979 | |
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| 6,572,698 Activated aluminosilicate binder | 35 | 2001 | |
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| 4,184,906 Method of making asbestos-cement laminates | 14 | 1978 | |
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| 4,574,012 Calcium silicate shaped product | 10 | 1982 | |
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| 5,863,477 Method of manufacturing a wood-cement board | 11 | 1996 | |
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| 5,432,212 Dispersant composition for cement having excellent property in inhibition of slump-loss | 19 | 1994 | |
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| 6,809,131 Self-compacting engineered cementitious composite | 12 | 2001 | |
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| 4,298,413 Method and apparatus for producing concrete panels | 42 | 1980 | |
Patent Citation Ranking
Maintenance Fees
| Fee | Large entity fee | small entity fee | micro entity fee | due date |
|---|---|---|---|---|
| 3.5 Year Payment | $1600.00 | $800.00 | $400.00 | Nov 4, 2013 |
| 7.5 Year Payment | $3600.00 | $1800.00 | $900.00 | Nov 4, 2017 |
| 11.5 Year Payment | $7400.00 | $3700.00 | $1850.00 | Nov 4, 2021 |
| Fee | Large entity fee | small entity fee | micro entity fee |
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