Patents Represented by Attorney Nixon & Vanderyhye P.C.

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  • Use of a composition in stereolithography
    Patent number: 6951700
    Abstract: The use of a compound of formula (A), which comprises a group of sub-formula (I) where R1, R2, R3, R4, R5, R6, X1 and Y1 are various specified organic groups wherein at least one of said groups has sufficient electron whitdrawing properties to activate the multiple bonds to polymerisation, in a stereolithographic composition. Stereolithographic applications of these compounds are also described and claimed.
    Type: Grant
    Filed: November 30, 2000
    Date of Patent: October 4, 2005
    Assignee: Qinetiq Limited
    Inventors: John W Goodby, Alan W Hall, Keith M Blackwood, Paul E Y Milne, Andrew G Biggs, Ryan M Heath, Robert W Bannister