Inventor · disambiguated record
Norbert Greif
Also filed as: FIKENTSCHER ROLF · GREIF NORBERT · SCHLUETER HARALD
23 granted patents·407 citations·filing 1974–1997
96Inventor score
Files withBASF AG23
Top patents by PatentIndex Score
23 records- 0196US5798147AProcess for coating and printing substratesBASF AG·Filed 1995·Granted Aug 25, 1998·119 cites·15 claims
- 0282US5124181ACopolymers based on long-chain unsaturated esters and ethylenically unsaturated carboxylic acids for making leather and furs water repellentBASF AG·Filed 1990·Granted Jun 23, 1992·37 cites·9 claims
- 0382US4978780APreparation of ether sulfonates and polyglycol ether sulfonates, and products prepared by this methodBASF AG·Filed 1989·Granted Dec 18, 1990·17 cites·3 claims
- 0474US4959077AFuels for gasoline enginesBASF AG·Filed 1988·Granted Sep 25, 1990·21 cites·3 claims
- 0571US6033442AUse of aqueous solutions or dispersions of copolymers of carboxyl-group-containing monomers, ethylenically unsaturated acetals, ketals or orthocarboxylic acid esters and optionally other copolymerizable monomers as leather tanning agentsBASF AG·Filed 1996·Granted Mar 7, 2000·26 cites·5 claims
- 0671US5279613ACopolymers based on long-chain olefins and ethylenically unsaturated dicarboxylic anhydrides for rendering leathers and skins water-repellentBASF AG·Filed 1992·Granted Jan 18, 1994·21 cites·11 claims
- 0768US5420207APreparation of polyisobutylsuccinic anhydridesBASF AG·Filed 1994·Granted May 30, 1995·17 cites·5 claims
- 0868US4375565ALow-foaming, biodegradable alkoxylation products terminated with glycerine ether radicals, and a process for their preparationBASF AG·Filed 1981·Granted Mar 1, 1983·24 cites·2 claims
- 0967US4734535APreparation of aliphatic chlorine compoundsBASF AG·Filed 1987·Granted Mar 29, 1988·8 cites·8 claims
- 1067US4038296AAlkylene oxide derivatives based on polytetrahydrofuran copolymersBASF AG·Filed 1975·Granted Jul 26, 1977·12 cites·10 claims
- 1166US6007801AUse of carboxyl-containing polysiloxanes in cosmetic formulationsBASF AG·Filed 1997·Granted Dec 28, 1999·28 cites·4 claims
- 1263US4496439AAcidic zinc-plating bathBASF AG·Filed 1983·Granted Jan 29, 1985·10 cites·2 claims
- 1361US4239491ADyeing and printing of textiles with disperse dyesBASF AG·Filed 1979·Granted Dec 16, 1980·6 cites·4 claims
- 1457US5286263AUse of copolymers based on long-chain alkyl vinyl ethers and ethylenically unsaturated dicarboxylic anhydrides for rendering leathers and skins water-repellentBASF AG·Filed 1990·Granted Feb 15, 1994·11 cites·6 claims
- 1556US5433752AUse of rection products of Homo- or copolymers based on monoethylenically unsaturated dicarboxylic anhydrides with amines or alcohols for fatliquoring and filling leather and fur skinsBASF AG·Filed 1993·Granted Jul 18, 1995·11 cites·8 claims
- 1654US5266165APaper sizing using copolymers of long-chain olefins and maleic anhydride in the form of the semiamides with morpholineBASF AG·Filed 1992·Granted Nov 30, 1993·10 cites·6 claims
- 1747US4049851AManufacture of bonded textile sheet materialsBASF AG·Filed 1976·Granted Sep 20, 1977·5 cites·3 claims
- 1845US4200733AIodine-containing block copolymers of 1,4-butylene oxide and ethylene oxideBASF AG·Filed 1979·Granted Apr 29, 1980·9 cites·3 claims
- 1944US4767707AImmobilization of enzymes with a water-soluble glycidyl etherBASF AG·Filed 1986·Granted Aug 30, 1988·6 cites·6 claims
- 2037US5527360AFatliquoring, filling and hydrophobicizing leathers and fursBASF AG·Filed 1995·Granted Jun 18, 1996·3 cites·8 claims
- 2136US5009670AFuels for gasoline enginesBASF AG·Filed 1989·Granted Apr 23, 1991·3 cites·3 claims
- 2235US4009997ALevelling auxiliaries for acid dyesBASF AG·Filed 1974·Granted Mar 1, 1977·2 cites·6 claims
- 2334US4229174ADispersant for textile dyeing and optical brighteningBASF AG·Filed 1978·Granted Oct 21, 1980·1 cites·3 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →