Patents by Inventor Ryan M Heath

Ryan M Heath has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • 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
  • Use of a composition in stereolithography
    Publication number: 20030157435
    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: Application
    Filed: November 6, 2002
    Publication date: August 21, 2003
    Inventors: John W Goodby, Alan W Hall, Keith M Blackwood, Paul E Y Milne, Andrew G Biggs, Ryan M Heath, Robert W Bannister