Inventor · disambiguated record
Elfed H. Evans
Also filed as: EVANS ELFED H
6 granted patents·194 citations·filing 1984–1989
86Inventor score
Top patents by PatentIndex Score
6 records- 0188US4820441AProcess for the preparation of a granular detergent compositionLEVER BROTHERS LTD·Filed 1988·Granted Apr 11, 1989·64 cites·9 claims
- 0287US4818424ASpray drying of a detergent containing a porus crystal-growth-modified carbonateLEVER BROTHERS LTD·Filed 1988·Granted Apr 4, 1989·63 cites·8 claims
- 0367US4923636ADetergent compositionsLEVER BROTHERS LTD·Filed 1989·Granted May 8, 1990·26 cites·2 claims
- 0461US4826632ADetergent compositions manufacturing process by spraying anionic/nonionic surfactant mixLEVER BROTHERS LTD·Filed 1987·Granted May 2, 1989·21 cites·7 claims
- 0545US4992193AGranular detergent composition including soap noodles that contain free fatty acid to improve dissolutionLEVER BROTHERS CO·Filed 1989·Granted Feb 12, 1991·13 cites·8 claims
- 0634US4549978AProcess for manufacture of detergent powderLEVER BROTHERS LTD·Filed 1984·Granted Oct 29, 1985·7 cites·8 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →