Inventor · disambiguated record
Holger Lutjens
Also filed as: LUETJENS HOLGER · LUTJENS HOLGER
28 granted patents·3 pending applications·224 citations·filing 1990–2003
96Inventor score
Files withBAYER AG28
Top patents by PatentIndex Score
31 records- 0186US6329435B1Process for preparing monodisperse, crosslinked bead polymers having thiourea groups and their use for adsorbing metal compoundsBAYER AG·Filed 2000·Granted Dec 11, 2001·27 cites·15 claims
- 0284US7053129B1Process for preparing monodisperse anion exchangersBAYER AG·Filed 2000·Granted May 30, 2006·27 cites·16 claims
- 0384US6649663B1Process for preparing monodisperse ion exchangers having chelating functional groups and the use thereofBAYER AG·Filed 2000·Granted Nov 18, 2003·27 cites·16 claims
- 0475US7077964B2Process for preparing monodisperse ion exchangers having chelating functionalBAYER AG·Filed 2003·Granted Jul 18, 2006·12 cites·6 claims
- 0574US5834524AProcess for the preparation of crosslinked polymersBAYER AG·Filed 1997·Granted Nov 10, 1998·28 cites·8 claims
- 0665US6699913B1Process for preparing monodisperse anion exchangers having strongly basic functional groupsBAYER AG·Filed 2000·Granted Mar 2, 2004·7 cites·17 claims
- 0756US5296528ACompatible polymer blends with thermoplastic polycarbonatesBAYER AG·Filed 1992·Granted Mar 22, 1994·13 cites·7 claims
- 0855US5250621AInterpolymers of aromatic polyesters and rubbersBAYER AG·Filed 1991·Granted Oct 5, 1993·9 cites·7 claims
- 0954US5932152AProcess for preparing crosslinked bead-form polymersBAYER AG·Filed 1998·Granted Aug 3, 1999·9 cites·16 claims
- 1053US6646017B1Process for the preparation of low-bleeding cation exchangersBAYER AG·Filed 1997·Granted Nov 11, 2003·11 cites·7 claims
- 1150US5219934APolymers containing sulfonamide units as compatibilizers for polyamide/polycarbonate blendsBAYER AG·Filed 1992·Granted Jun 15, 1993·10 cites·18 claims
- 1244US2002035216A1Process for preparing monodisperse, crosslinked bead polymers having thiourea groups and their use for adsorbing metal compoundsFiled 2001·Application pending·0 cites
- 1343US5194497AAlloys of thermoplastic polymers containing oxetanyl groupsBAYER AG·Filed 1991·Granted Mar 16, 1993·5 cites·3 claims
- 1442US5464875AProcess for preparing weakly-basic anion exchangers and reagents suitable for this purposeBAYER AG·Filed 1994·Granted Nov 7, 1995·7 cites·2 claims
- 1541US6667349B1Method for producing osmotically and mechanically stable gel-like anion exchangersBAYER AG·Filed 1999·Granted Dec 23, 2003·8 cites·8 claims
- 1639US6221287B1Process for the preparation of crosslinked spherical polymersBAYER AG·Filed 1999·Granted Apr 24, 2001·4 cites·3 claims
- 1739US5227441APreparation of fluoropolymers containing masked phenol groupsBAYER AG·Filed 1992·Granted Jul 13, 1993·4 cites·5 claims
- 1839US2002022671A1Sulfonation processFiled 2001·Application pending·0 cites
- 1938US2002185443A1Process for preparing heterodisperse chelating resinsFiled 2002·Application pending·0 cites
- 2037US6716889B1Process for the preparation of strongly basic anion exchangers using ethylene oxideBAYER AG·Filed 1998·Granted Apr 6, 2004·4 cites·12 claims
- 2136US5252672APolymer blends of polyamides and polymers containing sulfonamide structural unitsBAYER AG·Filed 1991·Granted Oct 12, 1993·4 cites·4 claims
- 2234US5155168AMolding compounds containing oxetanyl groupsBAYER AG·Filed 1990·Granted Oct 13, 1992·3 cites·2 claims
- 2333US6060558ACrosslinked bead-form polymersBAYER AG·Filed 1999·Granted May 9, 2000·1 cites·3 claims
- 2431US5187231AHigh heat-distortion plasticsBAYER AG·Filed 1991·Granted Feb 16, 1993·1 cites·11 claims
- 2530US5434203AMixtures of bisphenols and graft polymersBAYER AG·Filed 1994·Granted Jul 18, 1995·0 cites·3 claims
- 2630US5196466APolymer mixtures having improved thermostability iiBAYER AG·Filed 1991·Granted Mar 23, 1993·1 cites·2 claims
- 2730US5180781AProcess for the production of alloys of rubbers and aromatic polyestersBAYER AG·Filed 1991·Granted Jan 19, 1993·0 cites·5 claims
- 2830US4997974ABisphenol derivatives and polymers thereofBAYER AG·Filed 1990·Granted Mar 5, 1991·0 cites·2 claims
- 2929US6610753B2Process for preparing selective ion exchangersBAYER AG·Filed 1999·Granted Aug 26, 2003·1 cites·5 claims
- 3029US5250622APolymer combinations with a high rubber contentBAYER AG·Filed 1992·Granted Oct 5, 1993·1 cites·16 claims
- 3128US5227430AMixtures of polyamides and special polymers containing phenol groupsBAYER AG·Filed 1991·Granted Jul 13, 1993·0 cites·6 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →