Inventor · disambiguated record
Josef Weichmann
Also filed as: WEICHMANN JOSEF · WEICHMANN JOSEF B
21 granted patents·2 pending applications·847 citations·filing 1990–2020
96Inventor score
Files withSUEDDEUTSCHE KALKSTICKSTOFF9SKW BAUCHEMIE GMBH5CHEMREX INC1CONSTR RES & TECH GMBH1DEGUSSA CONSTRUCTION CHEM GMBH1
Top patents by PatentIndex Score
23 records- 0195US5798425ACo-polymers based on oxyalkyleneglycol alkenyl ethers and unsaturated dicarboxylic acid derivativesSUEDDEUTSCHE KALKSTICKSTOFF·Filed 1996·Granted Aug 25, 1998·217 cites·11 claims
- 0294US6620879B1Powdery polyether carboxylate-based polymeric compositionsDEGUSSA CONSTRUCTION CHEM GMBH·Filed 2000·Granted Sep 16, 2003·61 cites·23 claims
- 0390US6187887B1Water-soluble or water-swellable copolymers containing sulfonic groups and methods of preparationSKW BAUCHEMIE GMBH·Filed 1999·Granted Feb 13, 2001·77 cites·11 claims
- 0490US5739212AWater-soluble graft polymersSUEDDEUTSCHE KALKSTICKSTOFF·Filed 1995·Granted Apr 14, 1998·79 cites·23 claims
- 0589US6211317B1Copolymers based on unsaturated dicarboxylic acid derivatives and oxyalkylene glycol alkenyl ethersSWK BAUCHEMIE GMBH·Filed 1998·Granted Apr 3, 2001·82 cites·18 claims
- 0685US6462127B1Self-crosslinking polyurethane polymer hybrid dispersionSKW BAUCHEMIE GMBH·Filed 1999·Granted Oct 8, 2002·57 cites·70 claims
- 0782US6555683B1Condensation products based on amino-s-triazines and the use thereofSKW POLYMERS GMBH·Filed 1996·Granted Apr 29, 2003·47 cites·19 claims
- 0880US6635723B1Solvent-free polyurethane dispersionSKW BAUCHEMIE GMBH·Filed 1999·Granted Oct 21, 2003·38 cites·34 claims
- 0975US6573316B1Stabilized water-soluble polymer powders on the basis of polyoxy alkylene glycol carboxylates and method for producing sameSKW BAUCHEMIE GMBH·Filed 1999·Granted Jun 3, 2003·26 cites·29 claims
- 1075US6150437AFlow improving agents for binder suspensions containing cementSUEDDEUTSCHE KALKSTICKSTOFF·Filed 1995·Granted Nov 21, 2000·31 cites·27 claims
- 1173US5891983AWater-soluble formaldehyde-free polycondensation products based on amino-s-triazinesSUEDDEUTSCHE KALKSTICKSTOFF·Filed 1997·Granted Apr 6, 1999·24 cites·17 claims
- 1269US5035812AThermostable polymersSUEDDEUTSCHE KALKSTICKSTOFF·Filed 1990·Granted Jul 30, 1991·19 cites·6 claims
- 1367US6566438B1Hybrid polyurethane-polymer dispersion with high film hardness, method for the production and the use thereofSKW BAUCHEMIE GMBH·Filed 1999·Granted May 20, 2003·22 cites·47 claims
- 1467US5750634AWater-soluble polycondensation products based on amino-s-triazines and the use thereofSUEDDEUTSCHE KALKSTICKSTOFF·Filed 1996·Granted May 12, 1998·23 cites·26 claims
- 1564US5071945AProcess for the production of sulphonic acid group-containing condensation products with a low content of free formaldehydeSUEDDEUTSCHE KALKSTICKSTOFF·Filed 1990·Granted Dec 10, 1991·14 cites·10 claims
- 1660US8535436B2Use of cyclohexane polycarboxylic acid derivatives for removing dust from chemical construction productsWEICHMANN JOSEF·Filed 2009·Granted Sep 17, 2013·2 cites·20 claims
- 1759US5229454AProcess for removing water from polyurethane ingredientsCHEMREX INC·Filed 1991·Granted Jul 20, 1993·12 cites·28 claims
- 1856US12264104B2Multi-component composition for manufacturing polyurethane/urea cementitious hybrid systemsSIKA TECH AG·Filed 2020·Granted Apr 1, 2025·0 cites·26 claims
- 1951US2011033625A1Use of flexible sealing slurries for the aftertreatment of fresh concrete slabsCONSTR RES & TECH GMBH·Filed 2009·Application pending·0 cites
- 2043US2006183848A1Self-crosslinking high-molecular polyurethane dispersionMAIER ALOIS·Filed 2004·Application pending·0 cites
- 2142US5789526AHighly viscous condensation products containing sulfonic acid groups based on amino-s-triazinesSUEDDEUTSCHE KALKSTICKSTOFF·Filed 1996·Granted Aug 4, 1998·6 cites·22 claims
- 2238US5558709AFlow improving agents for binder suspensions containing cementSUEDDEUTSCHE KALKSTICKSTOFF·Filed 1995·Granted Sep 24, 1996·6 cites·15 claims
- 2332US5895802ARedispersible polymer powders, method for their preparation and applicationsSKW TROSTBERG AKTIENGESCELLCHA·Filed 1995·Granted Apr 20, 1999·4 cites·17 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →