Helmut Ballhause
3Patents
2h-index
16Co-inventors
41Inventor score
Filing activity: Oct 22, 1976 → Aug 15, 1990
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4093734A | Amino-benzoic acid amides | Chemistry; Metallurgy | 25 | Expired |
| US4678792A | Quaternary 3,4-dihydro-isoquinolinium salts | Chemistry; Metallurgy | 17 | Expired |
| US5114935A | Substituted 6-benzyl-2H-3,4,5,6-tetrahydro-(1,3)-oxazines | Human Necessities | 1 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.