Patents Assigned to Amphoterics International Limited
  • Shampoo compositions and other mild washing products containing two amphoteric and anionic surfactants
    Patent number: 4946136
    Abstract: Shampoo and similar compositions containing at least two different amphoteric surfactants together with an anionic surfactant are described, at least one of the amphoteric surfactants being of the alkylamino or alkoxyalkylamino type and the other being of the acylamino type.
    Type: Grant
    Filed: April 29, 1988
    Date of Patent: August 7, 1990
    Assignee: Amphoterics International Limited
    Inventor: Eric G. Fishlock-Lomax
  • Amphoteric surfactants for use in antimicrobial cleaning compositions
    Patent number: 4769169
    Abstract: An amphoteric surfactant of formula (I) ##STR1## where R is a C.sub.8-20 hydrocarbyl group, optionally substituted by hydroxyl or carboxyl;R.sup.1 is H or C.sub.1-6 alkyl;B is H or a group Q as defined below, B beinga group Q in the majority of instances;Q is --R.sup.2 COOM where R.sup.2 is C.sub.1-6 alkylene andM is --H or an alkali metal, alkaline earth metal, ammonium or substituted ammonium ion;x is 2 or 3;y is 2 to 4; andn is 0 or 1.for use as an antimicrobial agent is cleaning compositions.
    Type: Grant
    Filed: September 10, 1986
    Date of Patent: September 6, 1988
    Assignee: Amphoterics International Limited
    Inventor: Eric G. Fishlock-Lomax