EPICHEM LIMITED

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
C07F ACYCLIC, CARBOCYCLIC, OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM, OR TELLURIUM 466
 
  
 
B01J CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS, COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS 1108
 
  
 
B05D PROCESSES FOR APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TO SURFACES, IN GENERAL 186
 
  
 
C07C ACYCLIC OR CARBOCYCLIC COMPOUNDS 1137
 
  
 
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
 
  
 
G01F MEASURING VOLUME, VOLUME FLOW, MASS FLOW, OR LIQUID LEVEL; METERING BY VOLUME 158
 
  
 
H01L SEMICONDUCTOR DEVICES; ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR 1361

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
7100441 Method and apparatus for monitoring liquid levels within a vesselJun 26, 03Sep 05, 06[G01F]
6495707 Process and apparatus for production of organometallic compoundsJun 18, 01Dec 17, 02[C07F, B01J]
6248928 Metalorganic chemical vapor deposition precursorsJul 21, 00Jun 19, 01[C07C]
5830530 Chemical vapor deposition of tin oxide filmsJun 30, 97Nov 03, 98[C23C]
5473090 Process for the preparation of trialkyl compounds of group 3a metalsFeb 27, 95Dec 05, 95[C07F]
5288885 Purification of tri-alkyl compounds of Group 3a metalsNov 05, 92Feb 22, 94[C07F]
5245065 Process for the preparation of di-alkyl compounds of group 2B metalsNov 05, 92Sep 14, 93[C07F]
5232869 Metal depositionJul 28, 92Aug 03, 93[H01L, B05D]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2004/0164,089 Method and apparatus for delivering precursors to a plurality of epitaxial reactor sitesAbandonedFeb 25, 04Aug 26, 04[B67D]
5248800 Process for the preparation of trialkyl gallium compoundsExpiredNov 05, 92Sep 28, 93[C07F]

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