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Lord Kelvin, British mathematician and physicist ; 1897
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| Number | Title | Issue Date |
| 6653425 | High refractive index and high photosensitive optical materials and method for preparing the same The invention is directed to the preparation of vinyl sulfide compounds of general formula --(--R1 --S--R4 C.dbd.CR5 --R3 --S--)n --(--R2 --S--R4 C.dbd.CR5 --R3 ... | 11/25/2003 |