Inventor · disambiguated record
Michel Dien
Also filed as: DIEN MICHEL
3 granted patents·23 citations·filing 1986–1988
68Inventor score
Technology areasD06P
Files withSANDOZ LTD3
Top patents by PatentIndex Score
3 records- 0156US4717390AMethod for dyeing leather with water-soluble sulpho group-containing sulphur dyesSANDOZ LTD·Filed 1986·Granted Jan 5, 1988·11 cites·28 claims
- 0247US4834769ACompositions for the dyeing of leatherSANDOZ LTD·Filed 1987·Granted May 30, 1989·7 cites·43 claims
- 0333US5002586ADyeing and printing of leatherSANDOZ LTD·Filed 1988·Granted Mar 26, 1991·5 cites·41 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →