Inventor · disambiguated record
Jussi K. Rastas
Also filed as: FUGLEBERG SIGMUND P · NIEMI TOM O · RASTAS JUSSI · RASTAS JUSSI K
16 granted patents·1 pending application·194 citations·filing 1974–2022
94Inventor score
Top patents by PatentIndex Score
17 records- 0182US4219354AHydrometallurgical process for the treatment of oxides and ferrites which contain iron and other metalsOUTOKUMPU OY·Filed 1978·Granted Aug 26, 1980·21 cites·8 claims
- 0280US3959437AHydrometallurgical process for the recovery of zinc, copper and cadmium from their ferritesOUTOKUMPU OY·Filed 1974·Granted May 25, 1976·24 cites·11 claims
- 0375US4474735AProcess for the recovery of valuable metals from spent crude-oil sulfur-extraction catalystsOUTOKUMPU OY·Filed 1982·Granted Oct 2, 1984·18 cites·8 claims
- 0469US4220627AProcess for the treatment of raw materials containing arsenic and metalOUTOKUMPU OY·Filed 1978·Granted Sep 2, 1980·12 cites·10 claims
- 0563US4366127AHydrometallurgical process for the recovery of lead, silver and gold, as well as zinc, from impure jarosite residues of an electrolytic zinc processOUTOKUMPU OY·Filed 1981·Granted Dec 28, 1982·19 cites·10 claims
- 0663US3979266AProcess for purifying aqueous solutions, of metal ions precipitating as arsenides, antimonides, tellurides, and selenidesOUTOKUMPU OY·Filed 1975·Granted Sep 7, 1976·10 cites·11 claims
- 0762US4452762AHydrometallurgical process for the recovery of valuable metals from metallic alloysOUTOKUMPU OY·Filed 1981·Granted Jun 5, 1984·13 cites·3 claims
- 0860US2025034677A1Hydrometallurgical process for waste materials of the zinc and steel industriesTEKNOLOGIAN TUTKIMUSKESKUS VTT OY·Filed 2022·Application pending·0 cites
- 0958US4208380AProcess for the recovery of cobalt from its impure, aqueous, in particular nickel-bearing, solutions and catalyst thereforOUTOKUMPU OY·Filed 1978·Granted Jun 17, 1980·9 cites·17 claims
- 1055US4355005AProcess for the treatment of a raw material which contains oxide and ferrite of zinc, copper and cadmiumOUTOKUMPU OY·Filed 1981·Granted Oct 19, 1982·8 cites·3 claims
- 1152US4385038AFlotation recovery of lead, silver and gold as sulfides from electrolytic zinc process residuesOUTOKUMPU OY·Filed 1981·Granted May 24, 1983·13 cites·8 claims
- 1246US5082638AProcess of recovering non-ferrous metal values, especially nickel, cobalt, copper and zinc, by using melt and melt coating sulphation, from raw materials containing said metalsSAIKKONEN PEKKA J·Filed 1990·Granted Jan 21, 1992·7 cites·9 claims
- 1344US4579726AProcess and apparatus for the removal of mercury from sulfur dioxide-bearing hot and moist gasesOUTOKUMPU OY·Filed 1984·Granted Apr 1, 1986·13 cites·3 claims
- 1439US4362702AHydrometallurgical process for the treatment of a raw material which contains oxide and ferrite of zinc, copper and cadmiumOUTOKUMPU OY·Filed 1981·Granted Dec 7, 1982·5 cites·4 claims
- 1539US4178172AProcess for the production of extra fine cobalt powderOUTOKUMPU OY·Filed 1978·Granted Dec 11, 1979·6 cites·8 claims
- 1638US6274104B1Non-ferrous metal recovery method utilizing a melt sulphation reactionFiled 1999·Granted Aug 14, 2001·5 cites·12 claims
- 1738US4383979AProcess for the recovery of zinc, copper and cadmium in the leaching of zinc calcineOUTOKUMPU OY·Filed 1980·Granted May 17, 1983·11 cites·6 claims
Join the waitlist — get patent alerts
Get an alert when Jussi K. Rastas files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →