Inventor · disambiguated record
Utz-Hellmuth Felcht
Also filed as: FELCHT UTZ H · FELCHT UTZ-HELLMUTH
12 granted patents·264 citations·filing 1979–1985
92Inventor score
Files withHOECHST AG12
Top patents by PatentIndex Score
12 records- 0195US4638058AEthers of beta-cyclodextrin and a process for their preparationHOECHST AG·Filed 1984·Granted Jan 20, 1987·89 cites·16 claims
- 0288US4650863APreparation of water-soluble mixed cellulose ethersHOECHST AG·Filed 1985·Granted Mar 17, 1987·50 cites·13 claims
- 0388US4582900AWater-soluble mixed ethers of β-cyclodextrin and a process for their preparationHOECHST AG·Filed 1984·Granted Apr 15, 1986·40 cites·20 claims
- 0477US4550161APreparing water-soluble mixed cellulose ethersHOECHST AG·Filed 1984·Granted Oct 29, 1985·22 cites·15 claims
- 0577US4460766ADispersing auxiliary for preparing cellulose ethersHOECHST AG·Filed 1982·Granted Jul 17, 1984·21 cites·11 claims
- 0666US4474950ACellulose ethers having improved dispersing propertiesHOECHST AG·Filed 1983·Granted Oct 2, 1984·14 cites·25 claims
- 0765US4526961AProcess for etherifying cellulose with alkyl monochloroacetatesHOECHST AG·Filed 1983·Granted Jul 2, 1985·12 cites·20 claims
- 0859US4501887APreparing cellulose ethers in a dimethoxyethane/(dispersing auxiliary) mediumHOECHST AG·Filed 1984·Granted Feb 26, 1985·11 cites·17 claims
- 0954US4247488AProcess for the preparation of 1-oxophosphol-Δ3 -enesHOECHST AG·Filed 1979·Granted Jan 27, 1981·3 cites·7 claims
- 1042US4263231AProcess for the manufacture of 3-acyl-2-alkyl- and 3-acyl-2-aryl-1,3,2-benzoxazaphospholanesHOECHST AG·Filed 1979·Granted Apr 21, 1981·1 cites·9 claims
- 1139US4348337AProcess for the manufacture of 1-halogen-1-oxo-Δ3 -phospholenesHOECHST AG·Filed 1980·Granted Sep 7, 1982·1 cites·8 claims
- 1232US4329303AProcess for the preparation of 1-oxo-phospholane-chloro-hydrinsHOECHST AG·Filed 1980·Granted May 11, 1982·0 cites·9 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →