Patents by Inventor Olga Celchovska

Olga Celchovska 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).

  • Biological diagnostic test strip and method of producing same
    Patent number: 4017261
    Abstract: Diagnostic test strips for the qualitative detection and semi-quantitative estimation of blood and hemoglobin in biological products include a reagent area comprising an acid buffer having a pH within the range of 2.5-5.0, a chromogen, a wetting agent, an agent capable of enhancing the peroxidase activity of hemoglobin, an organic hydroperoxide in the form of a stable, solid salt with an aliphatic, alicyclic or heterocyclic amine, and a solid, polymeric film forming material disposed upon an adsorbent bibulous carrier.
    Type: Grant
    Filed: October 16, 1975
    Date of Patent: April 12, 1977
    Assignee: Lachema, narodni podnik
    Inventors: Vlastimil Svoboda, Olga Celchovska