GENERAL VACUUM EQUIPMENT LIMITED, NOW KNOWN AS VALMET GENERAL LIMITED BY CHANGE OF NAME

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
B05D PROCESSES FOR APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TO SURFACES, IN GENERAL 186
 
  
 
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

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
5364665 Method for rapid plasma treatmentsOct 25, 93Nov 15, 94[B05D]
5224441 Apparatus for rapid plasma treatments and methodSep 27, 91Jul 06, 93[C23C]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
5904952 Method of plasma enhanced silicon oxide depositionExpiredAug 01, 97May 18, 99[C23C]
5516555 Evaporation method for forming a gas barrier film having an organosilicon dispersed discontinuously in an inorganic matrixExpiredApr 18, 95May 14, 96[C23C]

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