Patents by Inventor James Parnell Scannell

James Parnell Scannell 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: 4115105
    Abstract: L-2-amino-4-(2-aminoethoxy)-butanoic acid, methods for its preparation and novel intermediates employed in these processes are disclosed. L-2-amino-4-(2-aminoethoxy)-butanoic acid enhances ethylene production in fruit and therefore has utility as a ripening agent and as an abscission agent.
    Type: Grant
    Filed: August 29, 1977
    Date of Patent: September 19, 1978
    Assignee: Hoffmann-La Roche Inc.
    Inventors: James Parnell Scannell, Arthur Stempel
  • Patent number: 3993545
    Abstract: The invention relates to a new and useful antibacterial substance which is of the formula ##EQU1## and to processes for its production and recovery. The invention embraces this antibacterial agent and its salts as crude concentrates, as purified solids and in pure crystalline forms. This antibiotic of the Formula I is effective in inhibiting the growth of gram positive bacteria. The compound of the Formula I is prepared by cultivating a strain of Streptomyces sp. X-1092 in an aqueous carbohydrate solution containing a nitrogenous nutrient under submerged aerobic conditions until substantial activity versus Gram-positive bacteria is imparted to said solution and then recovering said compound of the Formula I from said solution.
    Type: Grant
    Filed: November 10, 1975
    Date of Patent: November 23, 1976
    Assignee: Hoffmann-La Roche Inc.
    Inventors: David Pruess, James Parnell Scannell
  • Patent number: 3939139
    Abstract: The invention relates to a new and useful antibacterial substance which is of the formula ##EQU1## and to processes for its production and recovery. The invention embraces this antibacterial agent and its salts as crude concentrates, as purifed solids and in pure crystaline forms. This antibiotic of the Formula I is effective in inhibiting the growth of gram positive bacteria. The compound of the Formula I is prepared by cultivating a strain of Streptomyces sp. X-1092 in an aqueous carbohydrate solution containing a nitrogenous nutrient under submerged aerobic conditions until substantial activity versus Gram-positive bacteria is imparted to said solution and then recovering said compound of the Formula I from said solution.
    Type: Grant
    Filed: September 9, 1974
    Date of Patent: February 17, 1976
    Assignee: Hoffmann-La Roche Inc.
    Inventors: David Pruess, James Parnell Scannell