Patents by Inventor Nicole Voeller

Nicole Voeller 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 detergent comprising a cationic surfactant and a glycol ether
    Patent number: 6187737
    Abstract: A cleaning agent concentrate is presented having (a) at least one glycol ether corresponding to the formula: R—O—(CH2—CH(CH3)O)n—H where R is an alkyl group having 1 to 4 carbon atoms or a phenyl group, and n is a number of from 1 to 5; and (b) at least one cationic surfactant, where the weight ratio of (a) to (b) is from 8:1 and 100:1, and where the cleaning agent concentrate comprises less than 0.1 percent by weight of fatty alcohol alkoxylates, amphoteric surfactants, or mixtures thereof. When diluted to 0.5 to 5% by weight with water, a cleaning agent is formed that is low-foaming. The cleaning agent is especially useful for cleaning and passivating metal surfaces using a spray application.
    Type: Grant
    Filed: February 8, 2000
    Date of Patent: February 13, 2001
    Assignee: Henkel Kommanditgesellschaft auf Aktien
    Inventors: Juergen Geke, Bernd Stedry, Nicole Voeller