Method of use of a polyvinyl alcohol-based composition

United States of America Patent

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Issued Date
May 1, 2008
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Oct 10, 2007
filing date
Oct 5, 2006

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Abstract

A composition based on polyvinyl alcohol and a sulfonated ketone/formaldehyde condensate in the preferred mixing ratio of 1:1 as a further component, is provided as a fluid loss additive in mixtures containing hydraulic binders.

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BASF CONSTRUCTION POLYMERS GMBH

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C08L:COMPOSITIONS OF MACROMOLECULAR COMPOUNDS

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Inventor Name	Address	# of filed Patents	Total Citations
Keilhofer, Gregor	Tacherting, DE	17	207
Lange, Peter	Obing, DE	44	538
Reichenbach-Klinke, Roland	Traunstein, DE	27	203
Spindler, Christian	Burghausen, DE	45	383

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Method of use of a polyvinyl alcohol-based composition

Number of patents in Portfolio can not be more than 2000

United States of America Patent

11973893

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DATE PUBLISHED	PUBLICATION/PATENT NO.	PUBLICATION TYPE
June 10, 2010	US,20100144970,A9 US20100144970A9	CORRECTED PATENT APPLICATION
May 01, 2008	US,20080103255,A1 US20080103255A1	FIRST PUBLISHED PATENT APPLICATION

APP PUB NO	20080103255A1
SERIAL NO	11973893
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11973893

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