SKW POLYMERS GMBH

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
B01J CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS, COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS 6103
 
  
 
C04B LIME; MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS 464
 
  
 
B01F MIXING, e.g. DISSOLVING, EMULSIFYING, DISPERSING 240
 
  
 
C01B NON-METALLIC ELEMENTS; COMPOUNDS THEREOF277
 
  
 
C09K MATERIALS FOR APPLICATIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR293
 
  
 
C08G MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS 1119
 
  
 
C09D COATING COMPOSITIONS, e.g. PAINTS, VARNISHES, LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR 191
 
  
 
G08G TRAFFIC CONTROL SYSTEMS 166

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
5789526 Highly viscous condensation products containing sulfonic acid groups based on amino-s-triazinesFeb 22, 96Aug 04, 98[C08G, C04B]
5750634 Water-soluble polycondensation products based on amino-s-triazines and the use thereofMar 18, 96May 12, 98[G08G]
5721198 Elastic solids having reversible stress-induced fluidityAug 18, 95Feb 24, 98[C09K, B01J]
5558709 Flow improving agents for binder suspensions containing cementAug 22, 95Sep 24, 96[C04B]
5443761 Elastic solids having reversible strain-induced fluidityOct 11, 91Aug 22, 95[C01B, B01J]
5418271 Coating composition comprising solids having reversible stress-induced fluidityOct 11, 91May 23, 95[C09K, C09D, B01J]
5308547 Mixed metal layered hydroxide hydrophilic organic material as thickeners for water and other hydrophylic fluidsNov 15, 91May 03, 94[B01J, B01F]
5232627 Adducts of clay and activated mixed metal oxidesApr 16, 91Aug 03, 93[C01B, C04B, B01J]
5196143 Mixed metal hydroxide-clay adducts as thickeners for water and other hydrophylic fluidsMay 10, 91Mar 23, 93[B01J, B01F]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
6995105 Use of water-soluble mixed polymers as a flowing medium and/or as a hardening retarder for refractory materials which contain aluminate cementExpiredJul 08, 99Feb 07, 06[C04B]
6864344 Sulfonated condensation products which are stabile in storage, method for the production thereof, and their useExpiredMar 20, 02Mar 08, 05[C08G, C04B]
6608159 Polymeric, acrylamide-free water retention agentExpiredSep 16, 02Aug 19, 03[C08F]
6555683 Condensation products based on amino-s-triazines and the use thereofExpiredSep 29, 97Apr 29, 03[C07D]
2003/0004,246 Powdery composition based on water-soluble polymersAbandonedJul 24, 02Jan 02, 03[C08K]
6475959 Method for the rheology control of fluid phasesExpiredJul 14, 00Nov 05, 02[C09K, B01J]
6346588 Terpolymers based on sulfobetaines, processes for their preparation and their use as thickeners for aqueous salt solutionsExpiredJun 07, 00Feb 12, 02[C08F]
6025303 Solids composition based on clay minerals and use thereofExpiredJun 25, 98Feb 15, 00[C09K, C01B]
5895802 Redispersible polymer powders, method for their preparation and applicationsExpiredSep 21, 95Apr 20, 99[C08F]
5891983 Water-soluble formaldehyde-free polycondensation products based on amino-s-triazinesExpiredJul 09, 97Apr 06, 99[C08G]
5705599 Graft polymers of ketone-aldehyde condensation and co-condensation productsExpiredDec 29, 95Jan 06, 98[C08G]
5504061 Drilling fluid composition and process for the filtrate reduction of drilling fluid compositions containing mixed metal hydroxidesExpiredNov 12, 93Apr 02, 96[C09K]
5094778 Mixed metal hydroxide containing a dispersantExpiredMay 16, 90Mar 10, 92[B01J, B01F]
5071945 Process for the production of sulphonic acid group-containing condensation products with a low content of free formaldehydeExpiredAug 01, 90Dec 10, 91[C08G, C04B]
5035812 Thermostable polymersExpiredMay 02, 90Jul 30, 91[C09K]
4990268 Mixed metal hydroxides for thickening water or hydrophylic fluidsExpiredJun 09, 87Feb 05, 91[C09K, B01J]
4822421 Thixotropic cement compositionsExpiredMar 04, 88Apr 18, 89[C04B]
4818288 Dispersant for concrete mixtures of high salt contentExpiredMay 11, 88Apr 04, 89[C04B, B01J]
4790954 Mixed metal hydroxide-clay adducts as thickeners for water and other hydrophylic fluidsExpiredMay 07, 87Dec 13, 88[C09K, C01B, B01J]
4666979 Metal compounds of acid group-containing condensation products and co-condensation products of ketones and aldehydesExpiredAug 02, 85May 19, 87[C08G]

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