Assignee
EVONIK STOCKHAUSEN GMBH
DE·27 granted patents·3 pending applications·467 citations·filing 2002–2012
Top patents by PatentIndex Score
30 records- 0196US8481784B2Superabsorbent polymers and methods of making the sameEVONIK STOCKHAUSEN GMBH·Filed 2012·Granted Jul 9, 2013·19 cites·23 claims
- 0293US7939597B2Acrylic acid and water-absorbing polymer structures based on renewable raw materials and process for their production by dehydrationEVONIK STOCKHAUSEN GMBH·Filed 2007·Granted May 10, 2011·30 cites·12 claims
- 0392US8367774B2Process for agglomeration of superabsorbent polymer fine particlesEVONIK STOCKHAUSEN GMBH·Filed 2010·Granted Feb 5, 2013·7 cites·10 claims
- 0491US7964689B2Superabsorbent polymer made from acrylic acidEVONIK STOCKHAUSEN GMBH·Filed 2010·Granted Jun 21, 2011·8 cites·7 claims
- 0590US7803969B2Continuous process for the production and purification of acrylic acidEVONIK STOCKHAUSEN GMBH·Filed 2002·Granted Sep 28, 2010·28 cites·7 claims
- 0690US7482058B2Cellulose material with improved absorbencyEVONIK STOCKHAUSEN GMBH·Filed 2004·Granted Jan 27, 2009·70 cites·4 claims
- 0789US8357766B2Continuous process for the production of a superabsorbent polymerEVONIK STOCKHAUSEN GMBH·Filed 2009·Granted Jan 22, 2013·11 cites·18 claims
- 0889US8048942B2Process for the production of a superabsorbent polymerEVONIK STOCKHAUSEN GMBH·Filed 2009·Granted Nov 1, 2011·14 cites·14 claims
- 0989US7612016B2Preparation of superabsorbent polymersEVONIK STOCKHAUSEN GMBH·Filed 2008·Granted Nov 3, 2009·13 cites·16 claims
- 1089US7557245B2(Meth)acrylic acid crystal and process for producing aqueous (meth)acrylic acidEVONIK STOCKHAUSEN GMBH·Filed 2003·Granted Jul 7, 2009·27 cites·8 claims
- 1189US7557246B2Method for the purification of (meth)acrylic acidEVONIK STOCKHAUSEN GMBH·Filed 2005·Granted Jul 7, 2009·16 cites·4 claims
- 1289US7541395B2Two-step mixing process for producing an absorbent polymerEVONIK STOCKHAUSEN GMBH·Filed 2003·Granted Jun 2, 2009·42 cites·14 claims
- 1384US7973095B2Water-soluble or water-swellable polymers, particularly water-soluble or water-swellable copolymers made of acrylamide and at least one ionic comonomer having a low residual monomer concentrationEVONIK STOCKHAUSEN GMBH·Filed 2006·Granted Jul 5, 2011·9 cites·21 claims
- 1484US7842386B2Powdery water-absorbing polymers with fine particles bound by thermoplastic adhesivesEVONIK STOCKHAUSEN GMBH·Filed 2004·Granted Nov 30, 2010·40 cites·24 claims
- 1583US7495129B2Purification of a monomer by extraction with a phase former and crystallizationEVONIK STOCKHAUSEN GMBH·Filed 2004·Granted Feb 24, 2009·15 cites·10 claims
- 1680US8362299B2Method for producing and purifying aqueous phasesEVONIK STOCKHAUSEN GMBH·Filed 2009·Granted Jan 29, 2013·4 cites·16 claims
- 1779US8349913B2Process for gentle mixing and coating of superabsorbersEVONIK STOCKHAUSEN GMBH·Filed 2008·Granted Jan 8, 2013·15 cites·17 claims
- 1879US7893134B2Absorbent polymer made by two-step mixing processEVONIK STOCKHAUSEN GMBH·Filed 2009·Granted Feb 22, 2011·8 cites·23 claims
- 1977USD675852SSoap dispenserEVONIK STOCKHAUSEN GMBH·Filed 2011·Granted Feb 12, 2013·20 cites·1 claims
- 2077US7863338B2Absorbent polymer granulateEVONIK STOCKHAUSEN GMBH·Filed 2010·Granted Jan 4, 2011·3 cites·13 claims
- 2175US7776984B2Process for agglomeration of superabsorbent polymer fine particlesEVONIK STOCKHAUSEN GMBH·Filed 2004·Granted Aug 17, 2010·15 cites·18 claims
- 2275US7507475B2Pulverulent polymers crosslinked on the surfaceEVONIK STOCKHAUSEN GMBH·Filed 2004·Granted Mar 24, 2009·21 cites·13 claims
- 2368USD675853SSoap dispenserEVONIK STOCKHAUSEN GMBH·Filed 2012·Granted Feb 12, 2013·13 cites·1 claims
- 2466US7728045B2Process for producing an absorbent polymer by means of spread-dryingEVONIK STOCKHAUSEN GMBH·Filed 2005·Granted Jun 1, 2010·2 cites·7 claims
- 2564US8372920B2Water-absorbing polymer structure with improved color stabilityEVONIK STOCKHAUSEN GMBH·Filed 2008·Granted Feb 12, 2013·1 cites·26 claims
- 2663US8378000B2Water-absorbent, foam-type polymer structureEVONIK STOCKHAUSEN GMBH·Filed 2003·Granted Feb 19, 2013·8 cites·15 claims
- 2759US7608208B2Additives for water for fire protectionEVONIK STOCKHAUSEN GMBH·Filed 2002·Granted Oct 27, 2009·8 cites·69 claims
- 2857US2010301070A1Suction pump for a dispenser unit and dispenser unitEVONIK STOCKHAUSEN GMBH·Filed 2009·Application pending·0 cites
- 2954US2010139159A1Apparatus and method for the application of soil conditionersEVONIK STOCKHAUSEN GMBH·Filed 2008·Application pending·0 cites
- 3054US2008248144A1Method of Producing a Cosmetic AbrasiveEVONIK STOCKHAUSEN GMBH·Filed 2006·Application pending·0 cites
Join the waitlist — get patent alerts
Get an alert when EVONIK STOCKHAUSEN GMBH files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →