Patents by Inventor Christiane Loffert

Christiane Loffert 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).

  • Highly concentrated aqueous fabric softners having improved storage stability
    Patent number: 5703035
    Abstract: The disclosed invention relates to aqueous fabric softeners containingA) 22-30% by weight of at least one compound of the general formula (1) ##STR1## B) 0-7% by weight of one or more amides of the general formula (2)?R.sup.11 --C(O)NH--(CH.sub.2).sub.3 --N(CH.sub.3).sub.2 R.sup.12 !.sup.+ A.sup.- (2)C) 0.5-6% by weight of one or more compounds of the general formula (3) ##STR2## and electrolyte salts, perfume oils, short-chain alcohol and water.
    Type: Grant
    Filed: October 16, 1996
    Date of Patent: December 30, 1997
    Assignee: Witco Surfactants GmbH
    Inventors: Horst Birkhan, Michael Fender, Bernhard Irrgang, Christiane Loffert, Simone Schussler