Inventor

Hellmut Mittenzwei

5Patents
3h-index
5Co-inventors
39Inventor score

Filing activity: Mar 4, 1974 → Nov 3, 1977

Most-cited inventions

PatentTitleAreaCited byStatus
US3973001A Tissue cell stimulating blood extracts Emerging Cross-Sectional Technologies 12 Expired
US4116948A Process for removal of inorganic salts from peptide/salt-containing substances Human Necessities 9 Expired
US4085204A Process for obtaining insulin like active substances Emerging Cross-Sectional Technologies 6 Expired
US4139611A Organic peptide containing substance recovered from blood having insulin-like activity Emerging Cross-Sectional Technologies 2 Expired
US3937816A Growth regulating compositions extracted from spleen Human Necessities 1 Expired

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.