Production of filled paper using biodegradable polyester fibers and/or polyalkylene carbonate fibers

United States of America Patent

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Jan 27, 2015
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Jun 6, 2013
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Nov 29, 2012
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Dec 1, 2011

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Abstract

The present invention relates to a process for producing filled paper, card and board comprising dewatering a paper stock with sheet formation and drying, wherein biodegradable polyester fibers and/or polyalkylene carbonate fibers are added to the paper stock.

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Patent Owner(s)

Patent Owner	Address
BASF SE	LUDWIGSHAFEN GERMANY LUDWIGSHAFEN RHINELAND-PALATINATE

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D21H:PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED....

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Inventor Name	Address	# of filed Patents	Total Citations
Blum, Rainer	Limburgerhof, DE	102	1240
Skupin, Gabriel	Speyer, DE	39	327

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Production of filled paper using biodegradable polyester fibers and/or polyalkylene carbonate fibers

Number of patents in Portfolio can not be more than 2000

United States of America Patent

13689093

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PATENT NO	8940135
APP PUB NO	20130139983A1
SERIAL NO	13689093
DOCKET NO

US Family Size	Non-US Coverage
Patent Longevity	Forward Citations

DATE PUBLISHED	PUBLICATION/PATENT NO.	PUBLICATION TYPE
January 27, 2015	US,8940135,B2 US8940135B2	GRANTED PATENT AS SECOND PUBLICATION
June 06, 2013	US,20130139983,A1 US20130139983A1	FIRST PUBLISHED PATENT APPLICATION

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13689093

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