| Title of Invention | PLASTIC LENS AND PROCESS FOR PREPARING THE LENS |
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| Abstract | A plastic lens and process of making it which comprises a plastic substrate comprising a benzophenone derivative represented by following general formula (I): wherein R represents a linear or branched alkyl group having 2 to 12 carbon atoms or an alkoxyl group having 2 to 12 carbon atomas. |
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748-che-2004 claims granted.pdf
748-che-2004 correspondence others.pdf
748-che-2004 correspondence po.pdf
748-che-2004 description (complete) granted.pdf
748-che-2004 power of attorney.pdf
| Patent Number | 209585 | |||||||||
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| Indian Patent Application Number | 748/CHE/2004 | |||||||||
| PG Journal Number | 50/2007 | |||||||||
| Publication Date | 14-Dec-2007 | |||||||||
| Grant Date | 05-Sep-2007 | |||||||||
| Date of Filing | 02-Aug-2004 | |||||||||
| Name of Patentee | M/S. HOYA CORPORATION | |||||||||
| Applicant Address | 7-5, NAKAOCHIAI- 2-CHOME, SHINJUKU-KU, TOKYO, | |||||||||
Inventors:
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| PCT International Classification Number | G 02 C 7/02 | |||||||||
| PCT International Application Number | N/A | |||||||||
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