Patents by Inventor Thomas Trevor Howarth

Thomas Trevor Howarth 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).

  • Pharmaceutical compositions
    Patent number: 6218380
    Abstract: A new antibacterially active agent has been isolated from Streptomyces clavuligerus. This new compound which is designated clavulanic acid has the formula (I): In addition to being a broad spectrum antibiotic of medium potency, clavulanic acid and its salts and esters have the ability to enhance the effectiveness of &bgr; lactam antibiotics against many &bgr;-lactamase producing bacteria.
    Type: Grant
    Filed: August 15, 1991
    Date of Patent: April 17, 2001
    Assignee: SmithKline Beecham p.l.c.
    Inventors: Martin Cole, Thomas Trevor Howarth, Christopher Reading
  • Purified clavulanic acid and salts thereof
    Patent number: 6051703
    Abstract: A new antibacterially active agent has been isolated from Streptomyces clavuligerus. This new compound which is designated clavulanic acid has the formula (I): ##STR1## In addition to being a broad spectrum antibiotic of medium potency, clavulanic acid and its salts and esters have the ability to enhance the effectiveness of .beta.-lactam antibiotics against many .beta.-lactamase producing bacteria.
    Type: Grant
    Filed: April 6, 1995
    Date of Patent: April 18, 2000
    Assignee: SmithKline Beecham p.l.c.
    Inventors: Martin Cole, Thomas Trevor Howarth, Christopher Reading