Alcohol-terminated ketene multimer sizing agents

United States of America Patent

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Jan 16, 2001
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app pub date
Dec 30, 1998
filing date
Dec 30, 1998

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Abstract

Nucelophilic group, such as alcohol, terminated 2-oxetanone multimers, process of making same by reacting e.g. alcohol and dicarboxylic acid chloride in the presence of triethylamine, and their use for sizing paper.

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Patent Owner	Address
HERCULES INCORPORATED	LAW DEPARTMENT HERCULES PLAZA WILMINGTON DE 19894-0001

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Inventor Name	Address	# of filed Patents	Total Citations
Brungardt, Clement L	Chester County, PA	16	150
Riehle, Richard J	New Castle County, DE	18	228
Vallance, Ian	High Wycombe Bucks, GB	2	2
Zhang, Jian Jian	New Castle County, DE	6	58

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Alcohol-terminated ketene multimer sizing agents

Number of patents in Portfolio can not be more than 2000

United States of America Patent

09224839

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PATENT NO	6175022
SERIAL NO	09224839
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09224839

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