Chemische Fabrik Stockhausen GmbH

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
C08F MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS 3122
 
  
 
C08L COMPOSITIONS OF MACROMOLECULAR COMPOUNDS 3113
 
  
 
C14C CHEMICAL TREATMENT OF HIDES, SKINS OR LEATHER, e.g. TANNING, IMPREGNATING, FINISHING; APPARATUS THEREFOR; COMPOSITIONS FOR TANNING 38
 
  
 
C07C ACYCLIC OR CARBOCYCLIC COMPOUNDS 2136
 
  
 
A61K PREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOSES 1254
 
  
 
B05D PROCESSES FOR APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TO SURFACES, IN GENERAL 186
 
  
 
C07H SUGARS; DERIVATIVES THEREOF; NUCLEOSIDES; NUCLEOTIDES; NUCLEIC ACIDS 198
 
  
 
C08B POLYSACCHARIDES; DERIVATIVES THEREOF 130
 
  
 
C11D DETERGENT COMPOSITIONS 164
 
  
 
D21H PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C, D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR 137

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
5830445 Abrasive in cosmetic products, process for their production and uses thereofApr 27, 95Nov 03, 98[A61K]
5721295 Polymer composition, absorbent composition, their production and useJan 26, 96Feb 24, 98[C08L]
5575939 Process for softening/stuffing leather and fur skinsJun 09, 95Nov 19, 96[C14C]
5574120 Process for the preparation of dicarboxylic acid terpolymers for detergents and cleaning agentsNov 06, 95Nov 12, 96[C08F, C11D]
5567478 Process for producing a water-absorbing sheet material and the use thereofMay 31, 95Oct 22, 96[B05D]
5556930 Copolymers and their use in the treatment of leatherJun 12, 95Sep 17, 96[C14C, C08F]
5512646 Water soluble powdered cationic polyelectrolyte comprising a copolymer of acrylamide and dimethylaminopropylacrylamide essentially free of bifunctional compoundsSep 13, 93Apr 30, 96[C08L]
5496933 Super-absorbents and a process for their preparationMay 17, 94Mar 05, 96[C07H, C07C, C08B]
5433753 Use of copolymers having polysiloxane units in the treatment of leather and fursMay 25, 94Jul 18, 95[C14C]
5403883 Water soluble polymer dispersionsMay 13, 93Apr 04, 95[C08L]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
6235296 Skin cleaning agents, a process for their production and their useExpiredNov 25, 98May 22, 01[A61K]
6228964 Water soluble, powdered, cationic polyelectrolyte comprising a copolymer of acrylamide and dimethylaminopropylacrylamide essentially free of bifunctional compoundsExpiredMay 27, 97May 08, 01[C08F]
6120759 Anhydrous skin cleansing agent and use thereofExpiredAug 22, 91Sep 19, 00[A61K]
6103358 Layered body for the absorption of liquids and its productionExpiredJan 06, 98Aug 15, 00[B32B]
5763067 Layered body for the absorption of liquids and its productionExpiredNov 22, 96Jun 09, 98[B32B]
5736595 Polymer composition, absorbent material composition, their production and their useExpiredNov 03, 95Apr 07, 98[C08L]
5733576 Process for the production of absorbing material with an improved degradability and absorption for water, aqueous solutions and body liquids, and its use in hygienic articles and for soil conditioningExpiredNov 21, 94Mar 31, 98[A61K]
5686555 Absorbents for acids and lyesExpiredApr 07, 95Nov 11, 97[C08G, B01J]
5672633 Powdery polymers capable of absorbing aqueous liquids, a process for their production and their use as absorbentsExpiredMar 26, 96Sep 30, 97[C08J]
5569408 New water-soluble, biologically decomposable carbonic acid polyesters and their use as preparing and slip additives of synthetic fibresExpiredOct 27, 93Oct 29, 96[C10M]
5455284 Process for the production of water-swellable products using superfines of water-swellable polymersExpiredJun 07, 93Oct 03, 95[C08F]
5391784 Liquid or flowable derivatives of natural fats and oils a process for their production and their useExpiredDec 06, 93Feb 21, 95[C11D]
5340853 Polymer-based swelling and absorbing agents with an improved degradability and an improved absorption for water, aqueous solutions and body liquids and the use of said agents for the production of hygienic articles and for soil conditioningExpiredSep 17, 91Aug 23, 94[C08G, C08L, C08K]
5248709 Process for the agglomeration of water-swellable polymers by means of sinter granulationExpiredAug 03, 90Sep 28, 93[C08K]
5176797 Manufacturing paper employing a polymer of acrylic or methacrylic acidExpiredMay 13, 91Jan 05, 93[D21H]
5177249 Compounds with at least three functional ester groups and process for the production thereofExpiredNov 20, 90Jan 05, 93[C07C]
RE33839 Absorbents for blood and serous body fluidsExpiredDec 17, 90Mar 03, 92[A61F]
5026690 Antiviral agentExpiredDec 28, 88Jun 25, 91[A01N]
4980437 Acrylic copolymers for re-tanningExpiredDec 09, 88Dec 25, 90[C08F]
4975090 Process for the preparation of room temperature flowable derivatives of natural fats and oils and their useExpiredOct 13, 89Dec 04, 90[C14C]

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