Inventor · disambiguated record
Hans-Georg Hartan
Also filed as: HARTAN HANS-GEORG
16 granted patents·2 pending applications·889 citations·filing 1985–2013
95Inventor score
Files withSTOCKHAUSEN CHEM FAB GMBH15ASHLAND LICENSING & INTELLECTU1CLARIANT INT LTD1OMYA DEVELOPMENT AG1
Top patents by PatentIndex Score
18 records- 0198US5837789AFluid-absorbing polymers, processes used in their production and their applicationSTOCKHAUSEN CHEM FAB GMBH·Filed 1996·Granted Nov 17, 1998·287 cites·23 claims
- 0296US5672633APowdery polymers capable of absorbing aqueous liquids, a process for their production and their use as absorbentsSTOCKHAUSEN CHEM FAB GMBH·Filed 1994·Granted Sep 30, 1997·175 cites·17 claims
- 0395US6911499B1Polymer composition and a method for producing the sameSTOCKHAUSEN CHEM FAB GMBH·Filed 2000·Granted Jun 28, 2005·67 cites·7 claims
- 0488US6303560B1Compacted disintegrant granulate for compression-molded articles, its production and its useSTOCKHAUSEN CHEM FAB GMBH·Filed 2000·Granted Oct 16, 2001·49 cites·35 claims
- 0587US6232285B1Compacted granulate, process for making same and use as disintegrating agent for pressed detergent tablets, cleaning agent tablets for dishwashers, water softening tablets and scouring salt tabletsSTOCKHAUSEN CHEM FAB GMBH·Filed 1999·Granted May 15, 2001·67 cites·24 claims
- 0686US6221832B1Compacted granulate, process for making same and use as disintegrating agent for pressed detergent tablets, cleaning agent tablets for dishwashers, water softening tablets or scouring salt tabletsSTOCKHAUSEN CHEM FAB GMBH·Filed 1999·Granted Apr 24, 2001·66 cites·46 claims
- 0782US5176797AManufacturing paper employing a polymer of acrylic or methacrylic acidSTOCKHAUSEN CHEM FAB GMBH·Filed 1991·Granted Jan 5, 1993·37 cites·5 claims
- 0867US5512646AWater soluble powdered cationic polyelectrolyte comprising a copolymer of acrylamide and dimethylaminopropylacrylamide essentially free of bifunctional compoundsSTOCKHAUSEN CHEM FAB GMBH·Filed 1993·Granted Apr 30, 1996·25 cites·1 claims
- 0962US6514418B1Method of dewatering slurries using leaf filters (filter presses)STOCKHAUSEN CHEM FAB GMBH·Filed 1999·Granted Feb 4, 2003·34 cites·15 claims
- 1061US6228964B1Water soluble, powdered, cationic polyelectrolyte comprising a copolymer of acrylamide and dimethylaminopropylacrylamide essentially free of bifunctional compoundsSTOCKHAUSEN CHEM FAB GMBH·Filed 1997·Granted May 8, 2001·22 cites·1 claims
- 1161US5292404AProcess for trash removal or pitch-like resin control in the paper manufactureSTOCKHAUSEN CHEM FAB GMBH·Filed 1992·Granted Mar 8, 1994·23 cites·10 claims
- 1254US4618414AProcess for separating mineral ultra-fine grain from washings obtained in coal processing or from coal slurriesSTOCKHAUSEN CHEM FAB GMBH·Filed 1985·Granted Oct 21, 1986·16 cites·8 claims
- 1350US2014284519A1Surface-treated calcium carbonate and its use in water purification and for the dewatering of sludges and sedimentsOMYA DEVELOPMENT AG·Filed 2012·Application pending·0 cites
- 1449US7335709B1Polymerizate composition and a method for producing the sameASHLAND LICENSING & INTELLECTU·Filed 2000·Granted Feb 26, 2008·1 cites·16 claims
- 1548US4980437AAcrylic copolymers for re-tanningSTOCKHAUSEN CHEM FAB GMBH·Filed 1988·Granted Dec 25, 1990·5 cites·5 claims
- 1648US4813968ARetanning processSTOCKHAUSEN CHEM FAB GMBH·Filed 1988·Granted Mar 21, 1989·5 cites·9 claims
- 1744US2015274565A1Method And Composition For Water Purification And Sludge DewateringCLARIANT INT LTD·Filed 2013·Application pending·0 cites
- 1843US5792434ADevice and a process for dissolving water-soluble powdery polymersSTOCKHAUSEN CHEM FAB GMBH·Filed 1995·Granted Aug 11, 1998·10 cites·10 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →