Inventor · disambiguated record
Robert Kuhlmann
Also filed as: ESCH HEINZ · KUEHLMANN ROBERT · KUHLMANN ROBERT
22 granted patents·3 pending applications·674 citations·filing 1976–2010
97Inventor score
Top patents by PatentIndex Score
25 records- 0194US7097818B2Silica and silicate by precipitation at constant alkali number, and its useDEGUSSA·Filed 2005·Granted Aug 29, 2006·22 cites·20 claims
- 0292US5484581AProcess for the production of precipitated silicaDEGUSSA·Filed 1994·Granted Jan 16, 1996·82 cites·11 claims
- 0392US4857289AProcess for preparing precipitated silicaDEGUSSA·Filed 1988·Granted Aug 15, 1989·62 cites·8 claims
- 0492US4208316AHydrophobic precipitated silicic acid and compositions containing sameDEGUSSA·Filed 1978·Granted Jun 17, 1980·47 cites·6 claims
- 0589US8012253B2Efficient matting agents based on precipitated silicasEVONIK DEGUSSA GMBH·Filed 2010·Granted Sep 6, 2011·4 cites·28 claims
- 0689US4273589APrecipitated silicic acid, method and compositions containing sameDEGUSSA·Filed 1979·Granted Jun 16, 1981·42 cites·8 claims
- 0785US5705137APrecipitated silicas, a process for their preparation and their use in vulcanizable rubber mixturesDEGUSSA·Filed 1996·Granted Jan 6, 1998·59 cites·7 claims
- 0883US5846506APrecipitated silicasDEGUSSA·Filed 1997·Granted Dec 8, 1998·48 cites·3 claims
- 0983US4289681ABoron containing precipitated silicaDEGUSSA·Filed 1979·Granted Sep 15, 1981·25 cites·14 claims
- 1082US7871588B2Silica by precipitation at constant alkali number, and its useEVONIK DEGUSSA GMBH·Filed 2002·Granted Jan 18, 2011·20 cites·19 claims
- 1181US7204969B2High-structure precipitated silicasDEGUSSA·Filed 2001·Granted Apr 17, 2007·17 cites·19 claims
- 1280US4360388ACerium containing precipitated silica, process for its productionDEGUSSA·Filed 1981·Granted Nov 23, 1982·29 cites·12 claims
- 1379US5110574APrecipitated silicas and process for their production and useDEGUSSA·Filed 1988·Granted May 5, 1992·31 cites·10 claims
- 1477US5925708APrecipitated silicasDEGUSSA·Filed 1997·Granted Jul 20, 1999·36 cites·7 claims
- 1577US5871867APrecipitated silicaDEGUSSA·Filed 1997·Granted Feb 16, 1999·40 cites·13 claims
- 1670US7071257B2Precipitated silicasDEGUSSA·Filed 2001·Granted Jul 4, 2006·10 cites·3 claims
- 1769US4038224AOrganically modified silicic acids and silicates for delustering lacquersDEGUSSA·Filed 1976·Granted Jul 26, 1977·14 cites·4 claims
- 1867US6214383B1Precipitated silicas which contain an active substanceDEGUSSA·Filed 1998·Granted Apr 10, 2001·30 cites·7 claims
- 1966US5859117APrecipitated silicas, a process for their preparation and their use in vulcanizable rubber mixturesDEGUSSA AKTIENGSELLSCHAFT·Filed 1997·Granted Jan 12, 1999·26 cites·12 claims
- 2062US4308074APrecipitated silicic acid, method and compositions containing sameDEGUSSA·Filed 1981·Granted Dec 29, 1981·15 cites·2 claims
- 2162US2009101866A1Efficient matting agents based on precipitated silicasDEGUSSA·Filed 2008·Application pending·0 cites
- 2259US7488382B2Efficient matting agents based on precipitated silicasDEGUSSA·Filed 2003·Granted Feb 10, 2009·3 cites·28 claims
- 2356US2007208127A1Precipitated SilicaESCH HEINZ·Filed 2006·Application pending·0 cites
- 2455US2005282951A1Precipitated silicaDEGUSSA·Filed 2005·Application pending·0 cites
- 2553US6977065B1Precipitated silicasDEGUSSA·Filed 1997·Granted Dec 20, 2005·12 cites·3 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →