Advanced Surface Technology, Inc.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
B32B LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM3154
 
  
 
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 1100
 
  
 
G02C SPECTACLES; SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURES AS SPECTACLES; CONTACT LENSES 148

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
5837377 Biomedical articles with ionically bonded polyelectrolyte coatingsNov 17, 95Nov 17, 98[G02C, B32B]
5700559 Durable hydrophilic surface coatingsDec 16, 94Dec 23, 97[B32B]
5447799 Polymerization processOct 18, 94Sep 05, 95[B32B]
5355832 Polymerization reactorDec 15, 92Oct 18, 94[C23C]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
5807636 Durable hydrophilic surface coatingsExpiredDec 19, 96Sep 15, 98[B32B]
5236563 Surface-modified bioabsorbablesExpiredJun 18, 90Aug 17, 93[A61F]
5211993 Method of making novel separation mediaExpiredDec 10, 90May 18, 93[B05D]

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