POLIGRAT GMBH

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
C23C COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL 398
 
  
 
C25F PROCESSES FOR THE ELECTROLYTIC REMOVAL OF MATERIALS FROM OBJECTS; APPARATUS THEREFOR 216
 
  
 
B05D PROCESSES FOR APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TO SURFACES, IN GENERAL 186
 
  
 
C01B NON-METALLIC ELEMENTS; COMPOUNDS THEREOF178
 
  
 
C22B PRODUCTION OR REFINING OF METALS 127
 
  
 
C22C ALLOYS 171
 
  
 
C23F NON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM SURFACES 135
 
  
 
C23G CLEANING OR DE-GREASING OF METALLIC MATERIAL BY CHEMICAL METHODS OTHER THAN ELECTROLYSIS 112

Top Patents (by citation)

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Recent Publications

Publication # Title Filing Date Pub Date Intl Class
2017/0314,140 Method for the Wet Chemical Polishing of Molded Zinc PartsAug 27, 15Nov 02, 17[C22B, C01B, C23F]
2016/0310,984 METHOD FOR THE PRODUCTION OF COLORED STAINLESS STEEL SURFACESOct 02, 14Oct 27, 16[B05D]
2016/0177,454 METHOD FOR THE SURFACE TREATMENT OF CORTEN STEELJun 13, 14Jun 23, 16[C23C, C22C]

Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9115433 Method for the surface treatment of stainless steelOct 15, 09Aug 25, 15[C23C, C23G]
8430973 Method for the thermochemical passivation of stainless steelFeb 22, 08Apr 30, 13[C23C]
8080148 Electropolishing process for cobalt and cobalt alloysSep 24, 07Dec 20, 11[C25F]
5882500 Process for demetallizing highly acid baths and use of said process for electropolishing special steel surfacesMar 04, 98Mar 16, 99[C25F]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2009/0200,178 ELECTROPOLISHING METHODAbandonedJul 31, 06Aug 13, 09[C25F]
2008/0217,186 Electropolishing process for titaniumAbandonedMar 10, 08Sep 11, 08[C25F]
2008/0121,530 ELECTROPOLISHING PROCESSAbandonedNov 09, 07May 29, 08[C25F]
2008/0099,345 ELECTROPOLISHING PROCESS FOR NIOBIUM AND TANTALUMAbandonedOct 09, 07May 01, 08[B23H]
2008/0067,149 STABILIZER FOR ACIDIC, METAL-CONTAINING POLISHING BATHSAbandonedSep 19, 07Mar 20, 08[C09K, C23F]

Top Inventors for This Owner

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