Inventor · disambiguated record
Norbert Wiegand
Also filed as: WIEGAND NORBERT
3 granted patents·328 citations·filing 1990–1993
79Inventor score
Technology areasC07C
Files withDEGUSSA3
Top patents by PatentIndex Score
3 records- 0198US5334778AProcess for the production of 1,3-propanediolDEGUSSA·Filed 1993·Granted Aug 2, 1994·145 cites·15 claims
- 0296US5015789AMethod of preparing 1,3-propanediolDEGUSSA·Filed 1990·Granted May 14, 1991·133 cites·12 claims
- 0392US5171898AMethod for the production of 1,3-propandiolDEGUSSA·Filed 1991·Granted Dec 15, 1992·50 cites·11 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →