Patents by Inventor Robin Sherwood Roman

Robin Sherwood Roman 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).

  • Patent number: 5910592
    Abstract: A compound of formula (I): ##STR1## wherein: R.sup.1 represents a hydrogen atom, C.sub.1-12 alkyl, C.sub.1-12 alkoxy, C.sub.1-12 alkylcarbonyl or arylC.sub.1-12 alkyl;A.sup.1 represents hydrogen or 1 to 4 optional substituents selected from the group consisting of: C.sub.1-12 alkyl, C.sub.1-12 alkoxy, aryl and halogen; aryl represents phenyl or naphthyl optionally substituted with up to five groups selected from halogen, C.sub.1-12 alkyl, phenyl, C.sub.1-12 alkoxy, haloC.sub.1-12 alkyl, hydroxy, nitro, C.sub.1-12 alkoxycarbonyl, C.sub.1-12 alkoxycarbonyl C.sub.1-12 alkyl, C.sub.1-12 alkoxycarbonyloxy, or C.sub.1-12 alkylcarbonyl;A.sup.2 represents a benzene ring having 1 to 3 optional substituents selected from hydrogen, halogen, C.sub.1-12 alkyl, C.sub.1-12 alkoxy; andM.sup.- represents a counter-ion other than the maleate ion.
    Type: Grant
    Filed: July 14, 1997
    Date of Patent: June 8, 1999
    Assignee: SmithKline Beecham plc
    Inventors: Colin Ripley Pool, Robin Sherwood Roman, Malcolm David Brightwell, Alan William Tremper
  • Patent number: 5741803
    Type: Grant
    Filed: June 5, 1995
    Date of Patent: April 21, 1998
    Assignee: SmithKline Beecham plc
    Inventors: Colin Ripley Pool, Alan William Tremper, Malcolm David Brightwell, Robin Sherwood Roman