Preparation and purification of hydroxylamine stabilizers

Details Preparation and purification of hydroxylamine stabilizers Preparation and purification of hydroxylamine stabilizers

2005-03-15

2005-03-15

Killos, Paul J. (Department: 1625)

Organic compounds -- part of the class 532-570 series

Organic compounds

Carboxylic acids and salts thereof

Reexamination Certificate

active

06867327

ABSTRACT:
The invention relates to the preparation of ultra-high purity 1,2-diaminocyclohexanetetraacetic acid being essentially free of unwanted metal and metal ion contaminants and its use as a stabilizer for ultra-high purity hydroxylamine compounds used extensively in the production of high premium electronic components.

REFERENCES:
patent: 2519708 (1950-08-01), Schlaepfer et al.
patent: 4837132 (1989-06-01), Fujimoto et al.
patent: 5808150 (1998-09-01), Michelotti
Chem. Abst., Xu et al., XP002271038, Database accession no. 136:296484 (Shiyou Huagong Gaodeng Xuexiao Xuebao, 2001, 14(3), 36-39).

Affiliated with

Also associated with

Rating

Preparation and purification of hydroxylamine stabilizers does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Preparation and purification of hydroxylamine stabilizers, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Preparation and purification of hydroxylamine stabilizers will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-3381244