ESPE Stiftung & Co. Produktions- und Vertriebs KG

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
A61C DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE 156
 
  
 
A61F FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, E.G. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS 1139
 
  
 
C08F MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS 1124

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
5583164 Dental compositions comprising bifunctional or polyfunctional acrylic-acid esters or methacrylic-acid estersMay 25, 95Dec 10, 96[A61F, C08F, A61C]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
5968998 Dental compositions comprising bifunctional or polyfunctional acrylic-acid esters or methacrylic-acid estersExpiredApr 16, 93Oct 19, 99[A61K]
5250585 Dental material in powder form, process for its preparation and useExpiredMar 21, 90Oct 05, 93[A61K, C08K]
5190724 Process for disinfecting medical molding materialsExpiredMay 17, 91Mar 02, 93[A61L]
5137664 Process for the treatment of dental impressionsExpiredSep 21, 89Aug 11, 92[B28B, A61C]
5086148 Polyether-impression material and method for its preparation and useExpiredNov 14, 89Feb 04, 92[C08G]
4927866 Shapable material and shaped articles obtainable therefromExpiredFeb 28, 89May 22, 90[A61K]
4919603 Device for repairing windshieldsExpiredMay 03, 89Apr 24, 90[B32B]
4894396 Impression materialExpiredJun 21, 88Jan 16, 90[A61K, A61C]
4882365 Polymerizable radiopaque dental compositionExpiredAug 11, 88Nov 21, 89[A61K, C08K]
4867790 Dental composition containing an aziridine compound and method of preparationExpiredJan 27, 88Sep 19, 89[C08G, C08L]
4795823 (Meth)acrylic acid esters and the use thereof for preparing dental compositionsExpiredMar 02, 87Jan 03, 89[C07C]
4792632 Bisacylphosphine oxides, the preparation and use thereofExpiredNov 17, 87Dec 20, 88[C07F]
D282776 Device for metered dispensing of dental compoundsExpiredMay 03, 83Feb 25, 86[]
4571665 Apparatus for treating dental materialsExpiredMar 11, 83Feb 18, 86[A61N, F21S]
D282577 Dental set for dental materialsExpiredJun 22, 83Feb 11, 86[]
D282004 Irradiation device for dental substancesExpiredMay 03, 83Dec 31, 85[]
4532268 Imidazole agent for retarding the polymerization of aziridine compoundsExpiredDec 01, 83Jul 30, 85[C08L]
4527979 Powdered dental material and process for the preparation thereofExpiredDec 21, 83Jul 09, 85[A61K]
4493911 Nonadhesive impression materialExpiredDec 09, 83Jan 15, 85[A61K, C08L, C08K]
4389497 Use of agglomerates of silicic acid as fillers in dental materialsExpiredJul 22, 81Jun 21, 83[A61K, C08K]

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