Assignee
SULZER CHEMTECH AG
CH·149 granted patents·10 pending applications·3,099 citations·filing 1991–2019
Top patents by PatentIndex Score
159 records- 0196US5865537AMixing device for mixing a low-viscosity fluid into a high-viscosity fluidSULZER CHEMTECH AG·Filed 1996·Granted Feb 2, 1999·187 cites·7 claims
- 0293US6598766B1Ventilation device for a piston for a cartridgeSULZER CHEMTECH AG·Filed 2001·Granted Jul 29, 2003·60 cites·14 claims
- 0392US7896039B2Distributor for pairwise delivery of two liquidsSULZER CHEMTECH AG·Filed 2007·Granted Mar 1, 2011·21 cites·18 claims
- 0492US7540476B2Valve for a contact traySULZER CHEMTECH AG·Filed 2006·Granted Jun 2, 2009·25 cites·24 claims
- 0592US6866171B2Method for introducing additivesSULZER CHEMTECH AG·Filed 2001·Granted Mar 15, 2005·43 cites·15 claims
- 0692US6693213B1Method of producing ethyl acetate and an equipment for carrying out this methodSULZER CHEMTECH AG·Filed 2000·Granted Feb 17, 2004·250 cites·6 claims
- 0792US5944419AMixing deviceSULZER CHEMTECH AG·Filed 1996·Granted Aug 31, 1999·130 cites·24 claims
- 0889US9688548B2Apparatus and process for desalination of waterSULZER CHEMTECH AG·Filed 2013·Granted Jun 27, 2017·14 cites·19 claims
- 0988US7329774B2Method and plant for the manufacture of carboxylic acid ester by means of a reactive distillationSULZER CHEMTECH AG·Filed 2006·Granted Feb 12, 2008·25 cites·10 claims
- 1088US6161730AApparatus for carrying out a mixing dispensing of a plurality of flowable componentsSULZER CHEMTECH AG·Filed 1999·Granted Dec 19, 2000·107 cites·14 claims
- 1188US5504247AMethod and apparatus for purifying acrylic acid, and acrylic acid purified by the methodSULZER CHEMTECH AG·Filed 1994·Granted Apr 2, 1996·82 cites·15 claims
- 1287US7857879B2Droplet separatorSULZER CHEMTECH AG·Filed 2007·Granted Dec 28, 2010·17 cites·22 claims
- 1386US10201799B2Packing element for a structured packing with specific mounting clipsSULZER CHEMTECH AG·Filed 2016·Granted Feb 12, 2019·3 cites·19 claims
- 1486US6599008B2Static mixerSULZER CHEMTECH AG·Filed 2001·Granted Jul 29, 2003·41 cites·32 claims
- 1584US10596483B2Aperture layout for vapor-liquid contact traySULZER CHEMTECH AG·Filed 2019·Granted Mar 24, 2020·3 cites·4 claims
- 1684US6769801B1Static mixer with precision cast elementsSULZER CHEMTECH AG·Filed 2000·Granted Aug 3, 2004·35 cites·9 claims
- 1784US6458992B1Process and apparatus for the production of butylacetate and isobutylacetateSULZER CHEMTECH AG·Filed 1999·Granted Oct 1, 2002·35 cites·15 claims
- 1884US5851067AStatic mixer with a bundle of chambered stringsSULZER CHEMTECH AG·Filed 1997·Granted Dec 22, 1998·72 cites·15 claims
- 1983US10118836B2Apparatus, use of apparatus and process for desalination of waterSULZER CHEMTECH AG·Filed 2013·Granted Nov 6, 2018·10 cites·9 claims
- 2083US9452412B2Packing element, method to produce it and a column or reactor comprising said elementSULZER CHEMTECH AG·Filed 2012·Granted Sep 27, 2016·7 cites·15 claims
- 2183US9045412B2Reactive distillation process and plant for obtaining acetic acid and alcohol from the hydrolysis of methyl acetateSULZER CHEMTECH AG·Filed 2014·Granted Jun 2, 2015·3 cites·7 claims
- 2283US7347886B2Method for introducing additives into fluidsSULZER CHEMTECH AG·Filed 2006·Granted Mar 25, 2008·6 cites·10 claims
- 2382US9725558B2Process to prepare a cyclic oligomer and a cyclic oligomer obtainable therebySULZER CHEMTECH AG·Filed 2013·Granted Aug 8, 2017·4 cites·17 claims
- 2482US7942955B2Static devolatilisation apparatus and method for a liquid containing polymersSULZER CHEMTECH AG·Filed 2006·Granted May 17, 2011·10 cites·8 claims
- 2582US6540213B2Column comprising a base between filler body sectionsSULZER CHEMTECH AG·Filed 2001·Granted Apr 1, 2003·27 cites·14 claims
- 2682US5688047AStatic mixer with monolithic mixing elements providing an increased resistance force during mixingSULZER CHEMTECH AG·Filed 1996·Granted Nov 18, 1997·41 cites·10 claims
- 2781USD780286SFluid distribution equipmentSULZER CHEMTECH AG·Filed 2015·Granted Feb 28, 2017·25 cites·1 claims
- 2881US6293526B1Liquid distributor for packing columnsSULZER CHEMTECH AG·Filed 1999·Granted Sep 25, 2001·56 cites·12 claims
- 2981US5437798APurification of salt-charged waste water by wet oxidation under super-critical conditionsSULZER CHEMTECH AG·Filed 1994·Granted Aug 1, 1995·58 cites·19 claims
- 3080US10376860B2Packing layer for structured packingSULZER CHEMTECH AG·Filed 2014·Granted Aug 13, 2019·4 cites·16 claims
- 3180US10377853B2Process to prepare a polyester polymer composition comprising a polyester polymer having furanic units and a polyester polymer composition obtainable thereby and the use thereofSULZER CHEMTECH AG·Filed 2017·Granted Aug 13, 2019·1 cites·15 claims
- 3280US7708258B2Tray for a mass exchange columnSULZER CHEMTECH AG·Filed 2006·Granted May 4, 2010·9 cites·14 claims
- 3380US7306130B2Seal for a two-component cartridgeSULZER CHEMTECH AG·Filed 2004·Granted Dec 11, 2007·19 cites·18 claims
- 3479US7712728B2Liquid distributorSULZER CHEMTECH AG·Filed 2004·Granted May 11, 2010·28 cites·17 claims
- 3579US6604850B1Vortex static mixerSULZER CHEMTECH AG·Filed 2000·Granted Aug 12, 2003·27 cites·49 claims
- 3679US6494348B2Cartridge pistonSULZER CHEMTECH AG·Filed 2001·Granted Dec 17, 2002·29 cites·16 claims
- 3778US11352464B2Process to prepare polyester polymer and polyester polymer obtainable therebySULZER CHEMTECH AG·Filed 2017·Granted Jun 7, 2022·2 cites·20 claims
- 3878US7306126B2Multicomponent cartridgeSULZER CHEMTECH AG·Filed 2004·Granted Dec 11, 2007·17 cites·20 claims
- 3978US6328182B1Two-component cartridgeSULZER CHEMTECH AG·Filed 2000·Granted Dec 11, 2001·28 cites·11 claims
- 4078US6206349B1Fluid-fluid contacting apparatusSULZER CHEMTECH AG·Filed 1996·Granted Mar 27, 2001·50 cites·7 claims
- 4177US8052845B2Reflux divider for a column having portions for the transfer of material arranged in parallelSULZER CHEMTECH AG·Filed 2008·Granted Nov 8, 2011·10 cites·10 claims
- 4277US7540477B2Tray valve for a tray columnSULZER CHEMTECH AG·Filed 2006·Granted Jun 2, 2009·12 cites·18 claims
- 4377US7481981B2Apparatus for the esterification of a fatty acidSULZER CHEMTECH AG·Filed 2006·Granted Jan 27, 2009·3 cites·3 claims
- 4477US7291008B2Needle shut-off nozzle for an injection molding machineSULZER CHEMTECH AG·Filed 2006·Granted Nov 6, 2007·4 cites·14 claims
- 4577US6500048B1Method for separating profiled foilsSULZER CHEMTECH AG·Filed 2000·Granted Dec 31, 2002·25 cites·11 claims
- 4676US7322740B2Static mixer for a curing mixed productSULZER CHEMTECH AG·Filed 2005·Granted Jan 29, 2008·12 cites·13 claims
- 4776US7306643B2Method for introducing additives to liquid metal, ceramic/metallic powderSULZER CHEMTECH AG·Filed 2006·Granted Dec 11, 2007·2 cites·8 claims
- 4876US6817596B2Tray columnSULZER CHEMTECH AG·Filed 2002·Granted Nov 16, 2004·21 cites·15 claims
- 4976US5913324AApparatus for injecting additives into a flow of a highly viscous liquidSULZER CHEMTECH AG·Filed 1997·Granted Jun 22, 1999·53 cites·9 claims
- 5076US5602216AProcess and apparatus for performing a polymerisation in a tube reactorSULZER CHEMTECH AG·Filed 1996·Granted Feb 11, 1997·74 cites·8 claims
Showing the top 50 of 159 patent records by PatentIndex Score.
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