Patents by Inventor Chuen-Ing Jeannie Tseng

Chuen-Ing Jeannie Tseng has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Low foam branched alkyldimethylamine oxides
    Patent number: 5679633
    Abstract: An amine oxide having the formula: ##STR1## wherein the R.sub.1 groups are independently selected from C.sub.1 -C.sub.4 alkyl or alkoxy groups and R.sub.2 is a branched chain C.sub.11 -C.sub.16 alkyl group; a detersive composition containing such amine oxide with amphoteric surfactants and/or alkalizing agent; and the use of said composition for cleaning hard surfaces.
    Type: Grant
    Filed: October 17, 1995
    Date of Patent: October 21, 1997
    Assignee: Lonza Inc.
    Inventor: Chuen-Ing Jeannie Tseng