Inventor · disambiguated record
Francis J. Leng
Also filed as: LENG FRANCIS J
4 granted patents·131 citations·filing 1985–1994
80Inventor score
Top patents by PatentIndex Score
4 records- 0181US4615819ADetergent gel compositions in hexagonal liquid crystal formLEVER BROTHERS LTD·Filed 1985·Granted Oct 7, 1986·54 cites·25 claims
- 0269US5593663AAntiperspirant materials and compositionsCHESEBROUGH PONDS USA·Filed 1994·Granted Jan 14, 1997·36 cites·5 claims
- 0358US4880569AConcentrated liquid detergent composition containing anionic surfactants having non-terminal sulfonate groupsLEVER BROTHERS LTD·Filed 1988·Granted Nov 14, 1989·27 cites·15 claims
- 0444US4784800ADetergent compositionsLEVER BROTHERS LTD·Filed 1986·Granted Nov 15, 1988·14 cites·22 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →