Erwin Marka
3Patents
2h-index
7Co-inventors
30Inventor score
Filing activity: Aug 26, 1975 → Aug 8, 1978
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4192723A | Aqueous solution of monovalent gold and ammonium sulfite complex, process for the preparation thereof and electrolytic bath obtained therefrom for the plating of gold or gold alloys | Chemistry; Metallurgy | 17 | Expired |
| US4012294A | Gold sulfite baths containing organophosphorous compounds | Chemistry; Metallurgy | 5 | Expired |
| US4062736A | Gold and gold alloy deposition | Chemistry; Metallurgy | 2 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.