Patents by Inventor Sten Albrectsen

Sten Albrectsen 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).

  • Product to be used in occlusive epicutaneous testing for the purpose of demonstrating contact allergy to formaldehyde
    Patent number: 5182081
    Abstract: A test strip having at least one patch thereon and intended for use in occlusive epicutaneous testing in order to detect contact allergy to formaldehyde. The characteristic feature is that on at least one of the patches the test substance is a reversible N-formaldehyde derivative of succinimide which is formulated in a dry buffered vehicle.
    Type: Grant
    Filed: February 1, 1990
    Date of Patent: January 26, 1993
    Assignee: Kabi Pharmacia AB
    Inventors: Kurt Hedegaard, Sten Albrectsen, Jens Hansen