SULZER CHEMTECH AG

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
B01F MIXING, e.g. DISSOLVING, EMULSIFYING, DISPERSING 591
 
  
 
B01D SEPARATION 5084
 
  
 
B01J CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS, COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS 1099
 
  
 
C08G MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS 10110
 
  
 
B29C SHAPING OR JOINING OF PLASTICS; SHAPING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL; AFTER- TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING 6119
 
  
 
C02F TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE 649
 
  
 
C07C ACYCLIC OR CARBOCYCLIC COMPOUNDS 6132
 
  
 
B65D CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES 494
 
  
 
B29B PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS 324
 
  
 
F28F DETAILS OF HEAT-EXCHANGE OR HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION 349

Top Patents (by citation)

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Recent Publications

Publication # Title Filing Date Pub Date Intl Class
2018/0008,904 Aperture Layout for Vapor-Liquid Contact TrayJun 09, 15Jan 11, 18[B01D]
2017/0259,187 Extraction Column and Process for Use ThereofMay 23, 17Sep 14, 17[C10G, B01D]
2017/0240,699 Method to Minimize the Transition Time From One Polymer Grade to Another Polymer Grade in a Polymerization PlantSep 01, 15Aug 24, 17[C08G]
2016/0317,946 Static internal, use of one or more static internal, agitated liquid-liquid contactor and use of an agitated liquid-liquid contactorOct 07, 14Nov 03, 16[B01D]
2015/0336,025 Fractionation tray having a manway unitMay 18, 15Nov 26, 15[E06B, B01F, B01D]
2014/0352,538 Spherical Separation Device and Method for SeparationAug 13, 12Dec 04, 14[E21B, B01D]

Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9889390 Liquid-liquid extraction system and process for use thereofNov 27, 13Feb 13, 18[B01F, B01D]
9849403 Fractionation tray having a manway unitMay 18, 15Dec 26, 17[E06B, B01D]
9789429 Pre-separating vane diffuser and method for introducing a flow-mixture in a separatorSep 13, 10Oct 17, 17[B01D]
9751092 Electrostatic coalescer and method for electrostatic coalescenceJan 02, 13Sep 05, 17[B03C, C02F, B01D]
9725558 Process to prepare a cyclic oligomer and a cyclic oligomer obtainable therebyNov 27, 13Aug 08, 17[C08G]
9700840 Method for removing an ester from a vapor mixtureApr 23, 13Jul 11, 17[B01D]
9687759 Apparatus for cyclone separation of a fluid flow into a gas phase and a liquid phase and vessel provided with such an apparatusAug 07, 13Jun 27, 17[B04C, B01D]
9688548 Apparatus and process for desalination of waterFeb 13, 13Jun 27, 17[C02F, B01D]
9683075 Process for the continuous production of polyestersJul 29, 09Jun 20, 17[C08G]
9670314 Poly(2-hydroxyalkanoic acid) and method of its manufactureAug 14, 13Jun 06, 17[C08G]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2017/0203,230 System for the Purification of an Organic Solvent and a Process for the use ThereofAbandonedJan 28, 16Jul 20, 17[C07C, B01D]
2016/0002,397 A Process to Prepare a Polyester Polymer Composition Comprising a Polyester Polymer Having Furanic Units and a Polyester Polymer Composition Obtainable Thereby and the use ThereofAbandonedNov 27, 13Jan 07, 16[C08G, B29C]
2015/0375,139 An Extraction Column and Process for Use ThereofAbandonedNov 13, 12Dec 31, 15[C10G, B01D]
2015/0166,721 Method for the Manufacture of a Polyhydroxy-Carboxylic AcidAbandonedFeb 26, 15Jun 18, 15[C08G]
2014/0322,115 Method and an Apparatus for the Absorption of Carbon DioxideAbandonedOct 11, 12Oct 30, 14[B01D]
2013/0331,543 Method for the Manufacture of a Polyhydroxy-Carboxylic AcidAbandonedNov 15, 11Dec 12, 13[C08G]
2013/0235,692 Dust Mixing DeviceAbandonedJan 15, 13Sep 12, 13[B01F]
2013/0065,973 MIXING OR DISPERSING ELEMENT AND PROCESS FOR STATIC MIXING OR DISPERSINGAbandonedOct 08, 10Mar 14, 13[B01F]
2012/0299,210 PLANT FOR THE CONTINUOUS MANUFACTURE OF AN EXPANDABLE PLASTIC GRANULATE AS WELL AS METHOD FOR PRODUCING ITAbandonedJan 11, 11Nov 29, 12[B28B, B29B]
2012/0245,385 Reactive distillation process and plant for obtaining acetic acid and alcohol from the hydrolysis of methyl acetateAbandonedMar 02, 12Sep 27, 12[C07C, B01J]
2012/0087,840 Apparatus for the Purification of Exhaust Gases containing NOxAbandonedJun 11, 10Apr 12, 12[B01D]
2011/0309,040 SEPARATION METHOD AND APPARATUS FOR IMMISCIBLE FLUIDSAbandonedOct 15, 09Dec 22, 11[B01D]
2011/0310,697 Dust mixing deviceAbandonedJun 02, 11Dec 22, 11[B01F]
7695183 Static mixer apparatus for impregnating a polymer melt with a fluid expanding agent or additiveExpiredApr 20, 06Apr 13, 10[B29B]
7540476 Valve for a contact trayExpiredJul 18, 06Jun 02, 09[B01F]
7513271 Fluid inlet device for an apparatusExpiredMay 09, 07Apr 07, 09[F02M, F17D]
2009/0086,571 Apparatus for the production of a reactive flowable mixtureAbandonedSep 24, 08Apr 02, 09[B01F]
7481981 Apparatus for the esterification of a fatty acidExpiredApr 17, 06Jan 27, 09[B01J, C11C]
7438840 Method for introducing an additive into a flowing medium streamExpiredOct 05, 04Oct 21, 08[B29B]
2008/0247,266 Metering deviceAbandonedAug 22, 07Oct 09, 08[B01F]

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