Patents by Inventor Norbert Macht

Norbert Macht 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).

  • Blood substitute
    Patent number: 4920194
    Abstract: The invention relates to stroma-free blood substitutes, which are characterized in that fragments, prepared in a per se known manner, of sulfated glycosaminoglycans are covalently linked with hemoglobin to form products the oxygen binding property of which may be adjusted to be within the range of from 2.66 kPa (20 mmHg) to 10.66 kPa (80 mmHg), and preferably to within the range of from 4.79 kPa (36 mmHg) to 9.33 kPa (70 mmHg) by pre-determining the ratio of hemoglobin to glycosaminoglycan fragment, and to a process for preparing blood substitutes.
    Type: Grant
    Filed: October 19, 1987
    Date of Patent: April 24, 1990
    Inventors: Wolfgang Feller, Norbert Macht, Johannes G. Bottrich