Inventor · disambiguated record
Wolfgang Demmer
Also filed as: DEMMER WOLFGANG
22 granted patents·6 pending applications·367 citations·filing 1994–2014
95Inventor score
Files withSARTORIUS GMBH13SARTORIUS STEDIM BIOTECH GMBH5DEMMER WOLFGANG4HOERL HANS-HEINRICH2SARTORIUS AG2
Top patents by PatentIndex Score
28 records- 0186US6911148B1Adsorptive membrane device for treating particle-laden liquid feedsSARTORIUS GMBH·Filed 2000·Granted Jun 28, 2005·42 cites·16 claims
- 0286US5547575AMethod for the surface modification of formed bodies and formed bodies produced therebySARTORIUS GMBH·Filed 1994·Granted Aug 20, 1996·66 cites·13 claims
- 0384US6294090B1Adsorptive substance separation deviceSARTORIUS GMBH·Filed 1999·Granted Sep 25, 2001·81 cites·32 claims
- 0480US9433904B2Cellulose hydrate membrane, method for the production thereof, and use thereofDEMMER WOLFGANG·Filed 2009·Granted Sep 6, 2016·9 cites·38 claims
- 0578US5739316ACross-linked cellulose hydrate membranesSARTORIUS GMBH·Filed 1996·Granted Apr 14, 1998·52 cites·14 claims
- 0670US8969094B2Method for qualifying a non-particulate ion-exchanger adsorberDEMMER WOLFGANG·Filed 2010·Granted Mar 3, 2015·2 cites·4 claims
- 0770US8945389B2Method for substance separation using a cellulose hydrate membrane in size exclusion chromatographyFABER RENÉ·Filed 2009·Granted Feb 3, 2015·5 cites·23 claims
- 0869US6001974AMethod of separating albumin from serum by ion-exchange chromatography with membrane adsorbersSARTORIUS GMBH·Filed 1998·Granted Dec 14, 1999·23 cites·3 claims
- 0966US6235892B1Process for the purification of nucleic acidsSARTORIUS GMBH·Filed 1999·Granted May 22, 2001·19 cites·3 claims
- 1065US7311832B2Adsorption membranes, method of producing same and equipment, including the adsorption membranesSARTORIUS STEDIM BIOTECH GMBH·Filed 2004·Granted Dec 25, 2007·11 cites·15 claims
- 1164US10386285B2Integrity and functionality test for adsorptive depth filter layers with an inorganic layered double hydroxideSARTORIUS STEDIM BIOTECH GMBH·Filed 2014·Granted Aug 20, 2019·1 cites·9 claims
- 1263US7390409B2Membrane holder for membrane adsorber chromotographySARTORIUS STEDIM BIOTECH GMBH·Filed 2006·Granted Jun 24, 2008·2 cites·12 claims
- 1355US2008128358A1Process and apparatus for adsorptive separation of substancesSARTORIUS STEDIM BIOTECH GMBH·Filed 2007·Application pending·0 cites
- 1454US5618418ADead-end membrane adsorbersSARTORIUS GMBH·Filed 1995·Granted Apr 8, 1997·21 cites·7 claims
- 1553US6017454ACentrifugal filtration onto membrane adsorbersSARTORIUS GMBH·Filed 1997·Granted Jan 25, 2000·20 cites·9 claims
- 1651US8343351B2Membrane for removing proteases from liquidsSARTORIUS AG·Filed 2006·Granted Jan 1, 2013·0 cites·2 claims
- 1749US7223342B2Adsorption membranes, method of producing same and equipment, including the adsorption membranesSARTORIUS GMBH·Filed 2004·Granted May 29, 2007·5 cites·15 claims
- 1847US8557304B2Method of obtaining secondary plant constituentsHOERL HANS-HEINRICH·Filed 2010·Granted Oct 15, 2013·0 cites·14 claims
- 1947US2011272357A1Apparatus and method for material separationSARTORIUS STEDIM BIOTECH GMBH·Filed 2009·Application pending·0 cites
- 2047US2004026322A1Process and apparatus for adsorptive separation of substancesSARTORIUS GMBH·Filed 2003·Application pending·0 cites
- 2144US8343350B2Membrane, device and method for removing proteases from liquidsSARTORIUS AG·Filed 2003·Granted Jan 1, 2013·0 cites·3 claims
- 2241US2005208637A1Membraine filtration module and method for the separation of biomolecules from a liquidSARTORIUS GMBH·Filed 2003·Application pending·0 cites
- 2340US10100294B2Process for the separation of a mixture of a protein and its reaction product with a polyalkylene glycolDEMMER WOLFGANG·Filed 2012·Granted Oct 16, 2018·0 cites·11 claims
- 2438US9375658B2Polysaccharide matrix having a grafted polymer, method for producing the same and use thereofHOERL HANS-HEINRICH·Filed 2010·Granted Jun 28, 2016·0 cites·19 claims
- 2537US6287461B1Tandem system for adsorptive separationSARTORIUS GMBH·Filed 1999·Granted Sep 11, 2001·8 cites·5 claims
- 2637US2012264221A1Method for qualifying a non-particulate adsorbent by means of a secondary reactionDEMMER WOLFGANG·Filed 2010·Application pending·0 cites
- 2736US2007178576A1Purification of high-molecular compounds by means of affinity membrane chromatographyAPANOVIS BIOTECHNOLOGIE GMBH·Filed 2005·Application pending·0 cites
- 2824US6491869B1Method for preparing assay supports having an ordered set of reaction zonesSARTORIUS GMBH·Filed 1997·Granted Dec 10, 2002·0 cites·16 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →