Process to prepare metal complex of N,N-bis(2-hydroxyethyl)glycine

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United States of America Patent

PATENT NO 7122690
SERIAL NO

11353770

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Abstract

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Metal complexes of titanium and zirconium with N,N-bis(2-hydroxyethyl)glycine are provided, and more particularly to an improved process to prepare the titanium and zirconium complexes of N,N-bis(2-hydroxyethyl)glycine. Such complexes are used in oil well fracturing and plugging applications.

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Patent Owner(s)

Patent OwnerAddress
E I DU PONT DE NEMOURS AND COMPANY1007 MARKET STREET WILMINGTON DELAWARE 19898 UNITED STATES OF AMERICA

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Putzig, Donald Edward Newark, DE 45 414

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