Patents by Inventor Anette Heymann

Anette Heymann 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).

  • Cleaning composition
    Patent number: 5691290
    Abstract: A cleaning composition to remove unwanted paint, graffiti or other coatings from a substrate comprises 40-90 wt. % of a five-membered ring lactam, such as N-methyl-2-pyrrolidone, and 10-60 wt. % of a glycerol triester of a C1-C4 saturated aliphatic monocarboxylic acid. Additionally, up to 25 wt. % of the composition of diethylphthalate, diisopropyl adipate and/or a C1-C4 alkyl lactate may be present. Also a method of cleaning substrates and woven or non-woven tissue impregnated with the cleaning composition has been claimed.
    Type: Grant
    Filed: September 21, 1995
    Date of Patent: November 25, 1997
    Assignee: Unichema Chemie B.V.
    Inventors: Pieter Vonk, Anette Heymann
  • Case for medical devices
    Patent number: D548954
    Type: Grant
    Filed: November 29, 2006
    Date of Patent: August 21, 2007
    Assignee: Nycomed Danmark APS
    Inventors: Anette Heymann Andersen, Birgitte Stubkjaer Nielsen, Ronnie Lindstrom