Inventor · disambiguated record
Joseph G. Day
Also filed as: DAY JOSEPH G · DAY JOSEPH P
7 granted patents·1 pending application·120 citations·filing 1977–2002
86Inventor score
Top patents by PatentIndex Score
8 records- 0192US4428768AProcess for the recovery of platinum group metals from refractory ceramic substratesJOHNSON MATTHEY CO LTD·Filed 1980·Granted Jan 31, 1984·48 cites·17 claims
- 0281US4427442ARecovery of platinum group metals, gold and silver from scrapJOHNSON MATTHEY PLC·Filed 1982·Granted Jan 24, 1984·22 cites·15 claims
- 0380US4135923AExtraction of metalsJOHNSON MATTHEY CO LTD·Filed 1977·Granted Jan 23, 1979·20 cites·4 claims
- 0461US4451290ARecovery of platinum group metals from scrap and residuesMATTHEY RUSTENBURG REFINES·Filed 1982·Granted May 29, 1984·11 cites·11 claims
- 0553US4244736AYttrium containing alloysJOHNSON MATTHEY CO LTD·Filed 1978·Granted Jan 13, 1981·9 cites·16 claims
- 0645US4448604ARecovery of precious metals from leach residuesMATTHEY RUSTENBURG REFINES·Filed 1982·Granted May 15, 1984·6 cites·13 claims
- 0742US2003164297A1Electrophoretic inorganic porous materialCORNING INC·Filed 2002·Application pending·0 cites
- 0837US4177059AProduction of yttriumJOHNSON MATTHEY CO LTD·Filed 1978·Granted Dec 4, 1979·4 cites·6 claims
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