A two carbon atom linkage alkanolamine compound composition comprises the two carbon atom linkage alkanolamine compound, gallic acid or catechol, and optionally, an aqueous hydroxylamine solution. The balance of the composition is made up of water, preferably high purity deionized water, or another suitable...http://www.google.com.hk/patents/US6121217?utm_source=gb-gplus-share專利 US6121217 - Alkanolamine semiconductor process residue removal composition and process
