Inventor · disambiguated record
Hans-Peter Weitzel
Also filed as: WEITZEL HANS · WEITZEL HANS-PETER
56 granted patents·14 pending applications·543 citations·filing 1973–2022
98Inventor score
Files withWACKER CHEMIE AG23WACKER POLYMER SYSTEMS GMBH16WACKER CHEMIE GMBH15WEITZEL HANS-PETER5CONSORTIUM ELEKTROCHEM IND3
Top patents by PatentIndex Score
70 records- 0190US7674868B2Copolymers containing nanoparticlesWACKER CHEMIE AG·Filed 2005·Granted Mar 9, 2010·19 cites·24 claims
- 0289US6740692B2Solvent free coating compositions for soiling-resist ant facadesWACKER POLYMER SYSTEMS GMBH·Filed 2002·Granted May 25, 2004·33 cites·19 claims
- 0389US6576698B1Process for the preparation of vinyl ester/(meth)acrylate copolymersWACKER POLYMER SYSTEMS GMBH·Filed 2000·Granted Jun 10, 2003·31 cites·11 claims
- 0487US6706805B2Use of copolymers of vinyl ester, (meth)acrylic ester and optionally ethylene comonomers in building materialsWACKER POLYMER SYSTEMS GMBH·Filed 2002·Granted Mar 16, 2004·28 cites·29 claims
- 0585US11325862B2Hydrophobic, water-redispersible polymer powder compositionWACKER CHEMIE AG·Filed 2018·Granted May 10, 2022·2 cites·11 claims
- 0685US6300403B1Method for producing polymers stabilized with protective colloidsWACKER CHEMIE GMBH·Filed 1998·Granted Oct 9, 2001·53 cites·11 claims
- 0785US6228937B1Crosslinkable powder composition which is redispersible in waterWACKER CHEMIE GMBH·Filed 2000·Granted May 8, 2001·22 cites·4 claims
- 0881US9061922B2Method for processing wastewater and exhaust gas condensates from the polymerization of vinyl acetate and ethylene in an aqueous mediumWEITZEL HANS-PETER·Filed 2012·Granted Jun 23, 2015·3 cites·6 claims
- 0980US6605663B1Process for preparing polyvinyl alcohol-stabilized polymersWACKER POLYMER SYSTEMS GMBH·Filed 2000·Granted Aug 12, 2003·18 cites·20 claims
- 1079US6890975B2Water-redispersible polymer powders for building adhesive compositionsWACKER POLYMER SYSTEMS GMBH·Filed 2001·Granted May 10, 2005·17 cites·21 claims
- 1179US6710113B2Process for preparing two-phase polymers in the form of their aqueous dispersions and water-redispersible powdersWACKER POLYMERS SYSTEMS GMBH &·Filed 2001·Granted Mar 23, 2004·22 cites·13 claims
- 1277US6770722B2Process for preparing protective-colloid-stabilized polymers by continuous emulsion polymerizationWACKER POLYMER SYSTEMS GMBH·Filed 2002·Granted Aug 3, 2004·16 cites·11 claims
- 1376US8153735B2Continuous polymerization processWEITZEL HANS-PETER·Filed 2008·Granted Apr 10, 2012·4 cites·14 claims
- 1476US2022234954A1Vinyl acetate copolymers for hydraulically setting construction materialsWACKER CHEMIE AG·Filed 2022·Application pending·0 cites
- 1575US7939592B2Use of vinyl chloride-ethylene copolymers for hydrophobing construction substancesWACKER CHEMIE AG·Filed 2009·Granted May 10, 2011·3 cites·10 claims
- 1674US8841389B2Process for producing polymers by means of emulsion or suspension polymerization in a jet loop reactorKUTSCHERA DIRK·Filed 2012·Granted Sep 23, 2014·5 cites·8 claims
- 1773US8481648B2Process for producing cationically stabilized and water-redispersible polymer powder compositionsSCHORM ANDREA·Filed 2007·Granted Jul 9, 2013·7 cites·8 claims
- 1873US7851521B2Hydrophobicizing water-redispersible polymer powderWACKER CHEMIE AG·Filed 2005·Granted Dec 14, 2010·2 cites·22 claims
- 1971US6441082B1Process for preparing aqueous polymer dispersionsWACKER CHEMIE GMBH·Filed 1998·Granted Aug 27, 2002·25 cites·9 claims
- 2070US6664322B2Process for preparing protective-colloid-stabilized polymers by continuous emulsion polymerizationWACKER CHEMIE GMBH·Filed 2001·Granted Dec 16, 2003·9 cites·20 claims
- 2170US6531538B1Fast-drying rendering and coating compositionWACKER CHEMIE GMBH·Filed 2000·Granted Mar 11, 2003·10 cites·15 claims
- 2269US7863370B2Dispersion powders stabilized by polyvinyl alcohol protective colloidsWACKER CHEMIE AG·Filed 2006·Granted Jan 4, 2011·1 cites·14 claims
- 2368US8039563B2Process for preparing lattices stabilized by polyvinyl alcoholWACKER CHEMIE AG·Filed 2006·Granted Oct 18, 2011·1 cites·15 claims
- 2468US2025026874A1Multi-stage copolymers as binder for coating agentsWACKER CHEMIE AG·Filed 2022·Application pending·0 cites
- 2566US9650507B2Method for producing vinyl ester polymers having specifically settable dispersity and low polydispersityWACKER CHEMIE AG·Filed 2013·Granted May 16, 2017·1 cites·7 claims
- 2665US8822572B2Process for continuous emulsion polymerizationHAIN JESSICA·Filed 2011·Granted Sep 2, 2014·2 cites·15 claims
- 2764US11591423B2Method for producing aqueous polymer dispersions in a tube reactorWACKER CHEMIE AG·Filed 2019·Granted Feb 28, 2023·0 cites·10 claims
- 2864US6566434B1Vinyl aromatic-1,3-diene copolymers stabilized with protection colloids used for modifying materials containing plaster or calcium carbonateWACKER CHEMIE GMBH·Filed 1999·Granted May 20, 2003·22 cites·19 claims
- 2963US8119708B2Method for the production of protective colloid-stabilized polymer products and device for carrying out the methodWEITZEL HANS-PETER·Filed 2008·Granted Feb 21, 2012·2 cites·13 claims
- 3063US6809174B2Process for reclaiming residual ethylene in the preparation of vinyl ethylene copolymersWACKER POLYMER SYSTEMS GMBH·Filed 2003·Granted Oct 26, 2004·6 cites·12 claims
- 3163US6262167B1Protective-colloid-stabilized polymer compositionsWACKER CHEMIE GMBH·Filed 1999·Granted Jul 17, 2001·21 cites·18 claims
- 3262US6632869B2Process for preparing polymer dispersions with a high solids contentWACKER POLYMER SYSTEMS GMBH·Filed 2001·Granted Oct 14, 2003·5 cites·10 claims
- 3362US4113796AProcess for working up dispersions of elastic-thermoplastic or thermoplastic plasticsBAYER AG·Filed 1973·Granted Sep 12, 1978·16 cites·10 claims
- 3460US7744694B2Use of redispersion powder compositions with accelerated-setting actionWACKER CHEMIE AG·Filed 2004·Granted Jun 29, 2010·5 cites·13 claims
- 3559US7388047B2Redispersible powders comprising pozzolanic componentsWACKER POLYMER SYSTEMS GMBH·Filed 2004·Granted Jun 17, 2008·3 cites·10 claims
- 3659US6734246B2Polyvinylacetal-grafted polymersWACKER POLYMER SYSTEMS GMBH·Filed 2001·Granted May 11, 2004·4 cites·15 claims
- 3759US6639049B2Process for the preparation of polymers having a reduced content of volatile componentsWACKER POLYMER SYSTEMS & CO KG·Filed 2001·Granted Oct 28, 2003·6 cites·24 claims
- 3859US5502206ALiquid-crystalline organosiloxanes containing chiral tartarimidesCONSORTIUM ELEKTROCHEM IND·Filed 1994·Granted Mar 26, 1996·12 cites·7 claims
- 3959US2025019314A1Process for preparing water-redispersible polymer powdersWACKER CHEMIE AG·Filed 2021·Application pending·0 cites
- 4058US8217109B2Protective-colloid-stabilized polymers in the form of their aqueous dispersions or of their water-redispersible powdersWEITZEL HANS-PETER·Filed 2003·Granted Jul 10, 2012·4 cites·15 claims
- 4157US5695680ALiquid crystalline doristerol-containing organosiloxanesCONSORTIUM ELEKTROCHEM IND·Filed 1993·Granted Dec 9, 1997·14 cites·5 claims
- 4256US6656983B1Vinylaromatic/1,3-diene copolymer stabilized with protective colloids as adhesives for porous substratesWACKER CHEMIE GMBH·Filed 1999·Granted Dec 2, 2003·21 cites·20 claims
- 4356US2016368823A1Vinyl acetate copolymers for hydraulically setting construction materialsWACKER CHEMIE AG·Filed 2016·Application pending·0 cites
- 4455US10047253B2Method for applying dispersion adhesivesWACKER CHEMIE AG·Filed 2014·Granted Aug 14, 2018·0 cites·11 claims
- 4554US2023193046A1Powder Paint CompositionWACKER CHEMIE AG·Filed 2020·Application pending·0 cites
- 4654US2015119519A1Vinyl acetate copolymers for hydraulically setting construction materialsWACKER CHEMIE AG·Filed 2013·Application pending·0 cites
- 4753US12024572B2Method for cleaning a polymerisation reactorWACKER CHEMIE AG·Filed 2019·Granted Jul 2, 2024·0 cites·5 claims
- 4853US2023202924A1Polyvinyl-alcohol-stabilized (meth)acrylic acid ester polymersWACKER CHEMIE AG·Filed 2020·Application pending·0 cites
- 4951US7288580B2Water-redispersible polymer powder compositions with accelerated-setting actionWACKER POLYMER SYSTEMS GMBH·Filed 2003·Granted Oct 30, 2007·1 cites·35 claims
- 5050US2007173574A1Use of vinyl chloride-ethylene copolymers for hydrophobing construction substancesWACKER POLYMER SYSTEMS GMBH·Filed 2005·Application pending·0 cites
Showing the top 50 of 70 patent records by PatentIndex Score.
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