Inventor · disambiguated record
Bernd Hupfer
Also filed as: HUPFER BERND
5 granted patents·103 citations·filing 1987–1991
81Inventor score
Top patents by PatentIndex Score
5 records- 0187US5077378APolyamide containing the hexafluoroisopropylidene groupHOECHST CELANESE CORP·Filed 1990·Granted Dec 31, 1991·40 cites·6 claims
- 0287US5021320APolyamide containing the hexafluoroisopropylidene group with O-quinone diazide in positive working photoresistHOECHST CELANESE CORP·Filed 1989·Granted Jun 4, 1991·37 cites·21 claims
- 0364US5240819APolyamide containing the hexafluoroisopropylidene group and process of using to form a positive imageHOECHST CELANESE CORP·Filed 1991·Granted Aug 31, 1993·19 cites·18 claims
- 0438US4871833APolyamic acids, polyimides prepared from these and process for producing high-temperature resistant layersHOECHST AG·Filed 1987·Granted Oct 3, 1989·4 cites·10 claims
- 0532US5198325APhotopolymerizable mixture, copying material containing same and process for producing highly heat-resistant relief structures wherein a trihalomethyl is the photoinitiatorHOECHST AG·Filed 1988·Granted Mar 30, 1993·3 cites·20 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →