The Compound Contains Nitrogen, Except If Present Solely As Nh4+ Patents (Class 516/910)

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The compound contains -s(o2)nhh where substitution may be made for the hydrogen (Class 516/911)
The compound contains -c(=o)nhh where substitution may be made for the hydrogen (Class 516/912)
  • Ethylenically unsaturated amine salts of sulfonic, phosphoric, and carboxylic acids
    Patent number: 6506804
    Abstract: Disclosed are ethylenically unsaturated amine salts of sulfonic, phosphoric and carboxylic acids. The salts are surface active agents which are useful in a variety of applications as primary and/or secondary surfactants. The salts are especially useful as surfactants in emulsion polymerization reactions.
    Type: Grant
    Filed: March 8, 2001
    Date of Patent: January 14, 2003
    Assignee: Stepan Company
    Inventor: Alfred K. Schultz