Ophthalmic Research Group International, Inc.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
B29D PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE 156
 
  
 
C08F MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS 1124
 
  
 
G02C SPECTACLES; SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURES AS SPECTACLES; CONTACT LENSES 148

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
6206673 Plastic lens and plastic lens manufacturing systemMay 30, 95Mar 27, 01[B29D]
6201037 Plastic lens composition and method for the production thereofOct 26, 89Mar 13, 01[C08F, G02C]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
6331058 Plastic lens composition and method for the production thereofExpiredMar 10, 00Dec 18, 01[C08F, G02C]
5415816 Method for the production of plastic lensesExpiredDec 06, 91May 16, 95[B29D]
5364256 Apparatus for the production of plastic lensesExpiredJan 13, 94Nov 15, 94[B29C, B29D]
4879318 Plastic lens composition and method for the production thereofExpiredNov 18, 88Nov 07, 89[C08F]

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