Inventor · disambiguated record
Friedbert Wechs
Also filed as: WECHS FRIEDBERT
19 granted patents·2 pending applications·1,309 citations·filing 1979–2010
96Inventor score
Top patents by PatentIndex Score
21 records- 0199US4968733AProcess for producing microporous powders and membranesAKZO NV·Filed 1989·Granted Nov 6, 1990·281 cites·11 claims
- 0298US4976859AIntegral asymmetric polyether-sulfone membrane, process for its production, and use for ultrafiltration and microfiltrationAKZO NV·Filed 1989·Granted Dec 11, 1990·192 cites·20 claims
- 0397US5837234ABioartificial organ containing cells encapsulated in a permselective polyether suflfone membraneCYTOTHERAPEUTICS INC·Filed 1995·Granted Nov 17, 1998·305 cites·18 claims
- 0497US4239720AFiber structures of split multicomponent fibers and process thereforAKZONA INC·Filed 1979·Granted Dec 16, 1980·104 cites·30 claims
- 0594US4369156AProcess for the preparation of fibrillated fiber structuresAKZONA INC·Filed 1980·Granted Jan 18, 1983·61 cites·15 claims
- 0693US4342801ASuede-like sheet materialAKZONA INC·Filed 1980·Granted Aug 3, 1982·60 cites·16 claims
- 0790US6497752B1Integrally asymmetrical polyolefin membraneMEMBRANA GMBH·Filed 2000·Granted Dec 24, 2002·66 cites·33 claims
- 0886US7811507B2Dialysis membrane having improved ability for removal of middle moleculesMEMBRANA GMBH·Filed 2005·Granted Oct 12, 2010·17 cites·9 claims
- 0983US8727136B2Microfiltration membrane with improved filtration propertiesANSORGE WOLFGANG·Filed 2010·Granted May 20, 2014·10 cites·9 claims
- 1083US6375876B1Method for producing an integrally asymmetrical polyolefin membraneMEMBRANA GMBH·Filed 2000·Granted Apr 23, 2002·41 cites·23 claims
- 1178US5919370AIntegral, multi-asymmetric, semi-permeable membraneAKZO NOBEL NV·Filed 1996·Granted Jul 6, 1999·61 cites·19 claims
- 1278US4594207AMethod for the production of porous bodies with adjustable total pore volume, adjustable pore size and adjustable pore wallsAKZO NV·Filed 1983·Granted Jun 10, 1986·35 cites·27 claims
- 1374US4361609AFiber structures of split multicomponent fibers and process thereforAKZONA INC·Filed 1980·Granted Nov 30, 1982·22 cites·12 claims
- 1473US8302781B2High-flux dialysis membrane with an improved separation behaviourWECHS FRIEDBERT·Filed 2005·Granted Nov 6, 2012·8 cites·7 claims
- 1569US7201860B2Polyamide membrane with improved hydrolytic stability and method for production thereofMEMBRANA GMBH·Filed 2001·Granted Apr 10, 2007·15 cites·10 claims
- 1661US4612688AProcess for making suede-like sheet materialAKZONA INC·Filed 1985·Granted Sep 23, 1986·10 cites·13 claims
- 1760US6632361B2Shaped objects for pyrogen retention and processes for their manufactureMEMBRANA GMBH·Filed 2000·Granted Oct 14, 2003·12 cites·15 claims
- 1858US8651284B2Dialysis membrane with improved removal of middle moleculesWECHS FRIEDBERT·Filed 2009·Granted Feb 18, 2014·1 cites·6 claims
- 1958US7429343B2Process for producing polyolefin membrane with integrally asymmetrical structureMEMBRANA GMBH·Filed 2003·Granted Sep 30, 2008·8 cites·15 claims
- 2044US2008197072A1Microfiltration Membrane With Improved Filtration PropertiesANSORGE WOLFGANG·Filed 2006·Application pending·0 cites
- 2141US2007163950A1High-flux dialysis membrane with improved separation behaviourWECHS FRIEDBERT·Filed 2005·Application pending·0 cites
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →