| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a new dicarboxylic acid type compound having a biodegrading property and safety, and showing an excellent surface activity. <P>SOLUTION: This new dicarboxylic acid type compound is expressed by general formula (1) [wherein, C<SB>n</SB>H<SB>2n+1</SB>is linear or branched alkyl; (n) is an integer of 1 to 22; R<SB>1</SB>is 1-22C alkylene; R<SB>2</SB>is 1-22C alkyl, provided that R<SB>1</SB>and R<SB>2</SB>are each selected so that the -R<SB>1</SB>-CH-CH-R<SB>2</SB>part shows a 9-25C hydrocarbon structure; and X shows a hydrogen ion, alkali metal ion, group 2 element ion, transition element ion, group 12 element ion, aluminum ion, indium ion, tin ion, lead ion or ammonium ion]. <P>COPYRIGHT: (C)2011,JPO&INPIT</p> |
