Patents by Inventor Dennis Butterworth

Dennis Butterworth 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).

  • Antibiotic MM 4550A
    Patent number: 4235882
    Abstract: It has been found that an antibiotic can be obtained by the fermentation of certain strains of Streptomyces olivaceus and related organisms and when pure this antibiotic is an extremely potent inhibitor of many .beta.-lactamases. This antibiotic which we designate MM 4550A may be obtained in substantially pure form by the chromatographic purification of the crude antibacterial complex obtained from the culture medium.
    Type: Grant
    Filed: September 20, 1976
    Date of Patent: November 25, 1980
    Assignee: Beecham Group Limited
    Inventors: Martin Cole, John D. Hood, Dennis Butterworth
  • Antibiotics
    Patent number: 4206202
    Abstract: It has been found that a novel antibiotic can be obtained by the fermentation of certain strains of Streptomyces olivaceus and related organisms. In addition to being a potent antibiotic this new material which we have designated MM 13902 acts synergistically with penicillins and cephalosporins.
    Type: Grant
    Filed: September 14, 1978
    Date of Patent: June 3, 1980
    Assignee: Beecham Group Limited
    Inventors: Martin Cole, John D. Hood, Dennis Butterworth
  • Antibiotics
    Patent number: 4205067
    Abstract: It has been found that a novel antibiotic can be obtained by the fermentation of certain strains of Streptomyces olivaceus and related organisms. In addition to being a potent antibiotic this new material which we have designated MM 13902 acts synergistically with penicillins and cephalosporins.
    Type: Grant
    Filed: December 7, 1977
    Date of Patent: May 27, 1980
    Assignee: Beecham Group Limited
    Inventors: Martin Cole, John D. Hood, Dennis Butterworth
  • Antibiotics
    Patent number: 4203973
    Abstract: It has been found that an antibiotic can be obtained by the fermentation of certain strains of Streptomyces olivaceus and related organisms and when pure this antibiotic is an extremely potent inhibitor of many .beta.-lactamases. This antibiotic which we designate MM 4550A may be obtained in substantially pure form by the chromatographic purification of the crude antibacterial complex obtained from the culture medium.
    Type: Grant
    Filed: June 7, 1978
    Date of Patent: May 20, 1980
    Assignee: Beecham Group Limited
    Inventors: Martin Cole, John D. Hood, Dennis Butterworth
  • Antibiotic MM 13902
    Patent number: 4189473
    Abstract: It has been found that a novel antibiotic can be obtained by the fermentation of certain strains of Streptomyces olivaceus and related organisms. In addition to being a potent antibiotic this new material which we have designated MM 13902 acts synergistically with penicillins and cephalosporins.
    Type: Grant
    Filed: September 22, 1976
    Date of Patent: February 19, 1980
    Assignee: Beecham Group Limited
    Inventors: Martin Cole, John D. Hood, Dennis Butterworth
  • Antibiotics
    Patent number: 4181716
    Abstract: It has been found that an antibiotic can be obtained by the fermentation of certain strains of Streptomyces olivaceus and related organisms and when pure this antibiotic is an extremely potent inhibitor of many .beta.-lactamases. This antibiotic which we designate MM 4550A may be obtained in substantially pure form by the chromatographic purification of the crude antibacterial complex obtained from the culture medium.
    Type: Grant
    Filed: September 20, 1976
    Date of Patent: January 1, 1980
    Assignee: Beecham Group Limited
    Inventors: Martin Cole, John D. Hood, Dennis Butterworth
  • Antibiotics
    Patent number: 4172129
    Abstract: It has been found that an antibiotic can be obtained by the fermentation of certain strains of Streptomyces olivaceus and related organisms and when pure this antibiotic is an extremely potent inhibitor of many .beta.-lactamases. This antibiotic which we designate MM 4550A may be obtained in substantially pure form by the chromatographic purification of the crude antibacterial complex obtained from the culture medium.
    Type: Grant
    Filed: August 24, 1976
    Date of Patent: October 23, 1979
    Assignee: Beecham Group Limited
    Inventors: Martin Cole, John D. Hood, Dennis Butterworth
  • Antibiotics MM13902
    Patent number: 4146610
    Abstract: It has been found that a novel antibiotic can be obtained by the fermentation of certain strains of Streptomyces olivaceus and related organisms. In addition to being a potent antibiotic this new material which we have designated MM13902 acts synergistically with penicillins and cephalosporins.
    Type: Grant
    Filed: September 22, 1976
    Date of Patent: March 27, 1979
    Assignee: Beecham Group Limited
    Inventors: Martin Cole, John D. Hood, Dennis Butterworth
  • Antibiotic mm 13902
    Patent number: 4113856
    Abstract: It has been found that a novel antibiotic can be obtained by the fermentation of certain strains of Streptomyces olivaceus and related organisms. In addition to being a potent antibiotic this new material which we have designated MM 13902 acts synergistically with penicillins and cephalosporins.
    Type: Grant
    Filed: August 24, 1976
    Date of Patent: September 12, 1978
    Assignee: Beecham Group Limited
    Inventors: Martin Cole, John Dick Hood, Dennis Butterworth