Inventor · disambiguated record
Friedrich-Wilhelm Kupper
Also filed as: KUEPPER FRIEDRICH-WILHELM · KUPPER FRIEDRICH-WILHELM
11 granted patents·155 citations·filing 1974–1993
90Inventor score
Files withHUELS CHEMISCHE WERKE AG11
Top patents by PatentIndex Score
11 records- 0194US4153772AVulcanizable molding compositionsHUELS CHEMISCHE WERKE AG·Filed 1977·Granted May 8, 1979·79 cites·1 claims
- 0275US4016220AProcess for the preparation of 9-tricosene and 9-heneicoseneHUELS CHEMISCHE WERKE AG·Filed 1976·Granted Apr 5, 1977·10 cites·12 claims
- 0374US4433099AProduction of impact-resistant styrene polymersHUELS CHEMISCHE WERKE AG·Filed 1981·Granted Feb 21, 1984·31 cites·4 claims
- 0466US5091594AProcess for the production of 2,6-di-tert-butylphenolHUELS CHEMISCHE WERKE AG·Filed 1990·Granted Feb 25, 1992·10 cites·19 claims
- 0557US5292970AMethod of manufacturing ortho-substituted alkylphenols, and catalyst thereforHUELS CHEMISCHE WERKE AG·Filed 1992·Granted Mar 8, 1994·6 cites·11 claims
- 0649US4036858AProcess for the preparation of 7,8-epoxy-2-methyloctadecaneHUELS CHEMISCHE WERKE AG·Filed 1976·Granted Jul 19, 1977·2 cites·9 claims
- 0746US5284982AMethod for the cyclooligomerization of 3-hydroxy-1 alkynesHUELS CHEMISCHE WERKE AG·Filed 1993·Granted Feb 8, 1994·3 cites·13 claims
- 0836US4906775AEsters of 3-tert-butyl- and 3-tert-butyl-5-alkyl-4-hydroxyphenyl (alkane) carboxylic acids with oxyethylates of polythiolsHUELS CHEMISCHE WERKE AG·Filed 1987·Granted Mar 6, 1990·6 cites·24 claims
- 0936US3968180AProcess for the production of pure cyclopenteneHUELS CHEMISCHE WERKE AG·Filed 1974·Granted Jul 6, 1976·4 cites·8 claims
- 1028US4581414ATransparent, impact-resistant molding compositions based on polyvinyl chlorideHUELS CHEMISCHE WERKE AG·Filed 1984·Granted Apr 8, 1986·3 cites·16 claims
- 1120US4859790AEsters of 3-tert-butyl- and 3-tert-butyl-5-alkyl-4-hydroxyphenyl (alkane) carboxylic acids with oxethylates of polyhydroxyaromatics, process for their production, and their use as stabilizersHUELS CHEMISCHE WERKE AG·Filed 1987·Granted Aug 22, 1989·1 cites·16 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →