Inventor · disambiguated record
Volker Warzelhan
Also filed as: WARZELHAN VOLKER
48 granted patents·10 pending applications·1,786 citations·filing 1983–2012
99Inventor score
Top patents by PatentIndex Score
58 records- 0197US6258924B1Biodegradable polymers, the preparation thereof, and the use thereof for producing biodegradable moldingsBASF AG·Filed 1997·Granted Jul 10, 2001·137 cites·41 claims
- 0297US6018004ABiodegradable polymers, preparation thereof and use thereof for producing biodegradable moldingsBASF AG·Filed 1995·Granted Jan 25, 2000·115 cites·30 claims
- 0397US5817721ABiodegradable polymers, the preparation thereof and the use thereof for producing biodegradable moldingsBASF AG·Filed 1995·Granted Oct 6, 1998·170 cites·15 claims
- 0496US6201034B1Biodegradable polymers, the production thereof and the use thereof for producing biodegradable moldingsBASF AG·Filed 1999·Granted Mar 13, 2001·98 cites·15 claims
- 0594US6303677B1Biodegradable polymers, preparation thereof and use thereof for producing biodegradable moldingsBASF AG·Filed 2000·Granted Oct 16, 2001·68 cites·19 claims
- 0692US6120895ABiodegradable polyestersBASF AG·Filed 1997·Granted Sep 19, 2000·92 cites·9 claims
- 0792US6114042ABiodegradable polymers, the production thereof and use thereof for producing biodegradable moldingsBASF AG·Filed 1999·Granted Sep 5, 2000·62 cites·15 claims
- 0891US5959069AH-shaped polyamidesBASF AG·Filed 1997·Granted Sep 28, 1999·76 cites·8 claims
- 0991US5880220ABiodegradable polymers, process for the preparation thereof and the use thereof for producing biodegradable moldingsBASF AG·Filed 1996·Granted Mar 9, 1999·65 cites·21 claims
- 1090US6353084B1Biodegradable polyestreramide and a process of preparingBASF AG·Filed 1995·Granted Mar 5, 2002·63 cites·61 claims
- 1190US6046248ABiodegradable polymers, the preparation thereof and the use thereof for producing biodegradable moldingsBASF AG·Filed 1997·Granted Apr 4, 2000·61 cites·31 claims
- 1290US5889135ABiodegradable polymers, process for producing them and their use in preparing biodegradable moldingsBASF AG·Filed 1996·Granted Mar 30, 1999·62 cites·21 claims
- 1389US6686423B1Method for carrying out the anionic polymerization of vinylaromatic monomersBASF AG·Filed 2000·Granted Feb 3, 2004·36 cites·9 claims
- 1489US6414108B1Biodegradable polymers, the production thereof and the use thereof for producing biodegradable moldingsBASF AG·Filed 1999·Granted Jul 2, 2002·50 cites·11 claims
- 1589US6297347B1Biodegradable polymers, the production thereof and the use thereof for producing biodegradable moldingsBASF AG·Filed 1999·Granted Oct 2, 2001·51 cites·11 claims
- 1689US5936045ABiodegradable polymers, the preparation thereof, and the use thereof for producing biodegradable moldingsBASF AG·Filed 1996·Granted Aug 10, 1999·60 cites·19 claims
- 1785US9234302B2Process for the preparation of hyperbranched hollow fibersWEBER MARTIN·Filed 2010·Granted Jan 12, 2016·9 cites·16 claims
- 1885US6111058ABiodegradable polyesteramide and a process of preparingBASF AG·Filed 1996·Granted Aug 29, 2000·54 cites·15 claims
- 1978US4728703APreparation of homopolymers and copolymers of ethene by Phillips catalysisBASF AG·Filed 1987·Granted Mar 1, 1988·29 cites·1 claims
- 2078US4710552APreparation of homopolymers of ethene and copolymers of ethene with higherα-monolefins using a Ziegler catalyst systemBASF AG·Filed 1986·Granted Dec 1, 1987·30 cites·3 claims
- 2177US6444767B1Method for retarded anionic polymerizationBASF AG·Filed 1999·Granted Sep 3, 2002·32 cites·12 claims
- 2276US9193611B2Composite membranes comprising a sulfonated polyarylether and their use in forward osmosis processesWEBER MARTIN·Filed 2012·Granted Nov 24, 2015·3 cites·14 claims
- 2376US6476133B1Method for producing a solution of diene polymers in vinyl aromatic compounds and method for producing resistant vinyl aromatic polymers by polymerizing the same solutionBASF AG·Filed 2000·Granted Nov 5, 2002·10 cites·12 claims
- 2475US8097669B2Flame-retardant elastic block copolymerKNOLL KONRAD·Filed 2008·Granted Jan 17, 2012·2 cites·11 claims
- 2575US6444762B1Anionic polymerization processBASF AG·Filed 1997·Granted Sep 3, 2002·31 cites·24 claims
- 2673US5760163APreparation of branched polyamidesBASF AG·Filed 1996·Granted Jun 2, 1998·26 cites·6 claims
- 2773US5354809APreparation of a curable molding materialBASF AG·Filed 1993·Granted Oct 11, 1994·25 cites·8 claims
- 2872US8378054B2Method for producing polyaryl ethersBASF SE·Filed 2008·Granted Feb 19, 2013·2 cites·7 claims
- 2971US6353056B1Method for the production of block copolymers by retarded anionic polymerizationBASF AG·Filed 1999·Granted Mar 5, 2002·23 cites·11 claims
- 3071US6103858AAqueous dispersion of a biodegradable polyester and its use thereofBASF AG·Filed 1997·Granted Aug 15, 2000·51 cites·18 claims
- 3171US5863991ABiodegradable polymers, the preparation thereof and the use thereof for the production of biodegradable moldingsBASF AG·Filed 1996·Granted Jan 26, 1999·45 cites·15 claims
- 3271US4568659APreparation of a transition metal catalyst component for Ziegler catalyst systemsBASF AG·Filed 1984·Granted Feb 4, 1986·18 cites·2 claims
- 3369US6303721B1Process for producing diene polymer solutions in vinyl aromatic monomersBASF AG·Filed 1997·Granted Oct 16, 2001·23 cites·10 claims
- 3468US6413292B1Use of an aqueous dispersion from a biodegradable polyester as a sheathing material for granulated fertilizerBASF AG·Filed 1997·Granted Jul 2, 2002·24 cites·20 claims
- 3567US10538624B2Process for producing monomer compositions and use of these for producing a polyamide moldingSCHERZER DIETRICH·Filed 2011·Granted Jan 21, 2020·1 cites·5 claims
- 3667US4525550APreparation of homopolymers and copolymers of α-monoolefins using a ziegler catalyst systemBASF AG·Filed 1983·Granted Jun 25, 1985·17 cites·2 claims
- 3763US6518379B1Method of producing rubber compositions in styrene solutions with sterically superior chelate catalystsBASF AG·Filed 2000·Granted Feb 11, 2003·6 cites·14 claims
- 3858US5326822AHeat-curable molding materialBASF AG·Filed 1992·Granted Jul 5, 1994·12 cites·8 claims
- 3954US6410654B1Highly rigid, high-tenacity impact-resistant polystyreneBASF AG·Filed 1999·Granted Jun 25, 2002·10 cites·13 claims
- 4054US6326460B1Method for extracting polyamide particlesBASF AG·Filed 1999·Granted Dec 4, 2001·11 cites·6 claims
- 4154US2008312353A1Process for Preparation of High-Molecular-Weight PolyamidesBASF AG·Filed 2005·Application pending·0 cites
- 4252US2010032856A1Coated foam beads and process for producing halogen-free, fire-resistant bead foam moldingsBASF SE PATENT TRADEMARKS AND·Filed 2007·Application pending·0 cites
- 4352US2010152313A1Process for preparation of high-molecular-weight polyamidesBASF SE·Filed 2010·Application pending·0 cites
- 4449US6350834B1Method for retarded anionic polymerizationBASF AG·Filed 1999·Granted Feb 26, 2002·8 cites·11 claims
- 4549US6300441B1Method for the production of an initiator composition for retarded anionic polymerizationBASF AG·Filed 1999·Granted Oct 9, 2001·8 cites·8 claims
- 4647US6506846B1Method for producing impact-resistant modified thermoplastic moulding materialsBASF AG·Filed 1999·Granted Jan 14, 2003·7 cites·9 claims
- 4747US2008210463A1Plastics Articles for Metalization with Improved Shaping PropertiesBASF AG·Filed 2006·Application pending·0 cites
- 4847US2008045640A1Nanocomposite made of star-shaped styrol-butadiene block copolymers and layer silicatesBASF AG·Filed 2005·Application pending·0 cites
- 4946US2010240839A1Block copolymers of polyethylene terephthalate and of the polyamide composed of meta-xylylenediamine and adipic acidBASF AG·Filed 2005·Application pending·0 cites
- 5044US2013059141A1Foams comprising polypropylene carbonateFUESL ANDREAS·Filed 2012·Application pending·0 cites
Showing the top 50 of 58 patent records by PatentIndex Score.
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