Invention Grant
US08399705B2 Alkali metal salt of glutamic acid N,N-diacetic acid, a process to prepare such salt, and the use thereof
有权
谷氨酸N，N-二乙酸的碱金属盐，制备这种盐的方法及其用途
- Patent Title: Alkali metal salt of glutamic acid N,N-diacetic acid, a process to prepare such salt, and the use thereof
- Patent Title (中): 谷氨酸N，N-二乙酸的碱金属盐，制备这种盐的方法及其用途
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Application No.: US12673671Application Date: 2008-08-14
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Publication No.: US08399705B2Publication Date: 2013-03-19
- Inventor: Tjerk Oedse Boonstra , Martin Heus
- Applicant: Tjerk Oedse Boonstra , Martin Heus
- Applicant Address: NL Arnhem
- Assignee: Akzo Nobel N.V.
- Current Assignee: Akzo Nobel N.V.
- Current Assignee Address: NL Arnhem
- Agent Timothy D. Meade
- Priority: EP07114558 20070817
- International Application: PCT/EP2008/060655 WO 20080814
- International Announcement: WO2009/024518 WO 20090226
- Main IPC: C07C229/24
- IPC: C07C229/24
Abstract:
The present invention relates to an alkalimetal salt of glutamic acid-N,N-diacetic acid (GLDA) of the formula NaxKyHzGLDA, wherein x is equal to or more than 2 and lower than 4 and y is more than 0 and equal to or lower than 2, x+y is 3.5-4, and x+y+z=4, to processes to prepare such salt and the use thereof.
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