Patents by Inventor C. D. Smith

C. D. Smith 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).

  • Forensic indentification
    Publication number: 20030175701
    Abstract: The invention provides allelic ladder mixtures and individual alleles suitable for use in such mixtures. The allelic ladder mixtures give improved identification and distinguishing capabilities, particularly suitable in forensic investigations.
    Type: Application
    Filed: July 20, 2001
    Publication date: September 18, 2003
    Applicant: The secretary of State Home Department
    Inventors: R. A.L. Griffiths, M. D. Barber, P. E. Johnson, S. M. Gillbard, M. D. Haywood, C. D. Smith, J. Arnold, T. Burke, A. J. Urquhart, P. Gill
  • Process for preparing cephalosporin compounds
    Patent number: 4803267
    Abstract: The invention relates to the novel compound (6R,7R)-7-(D-5-benzamido-5-carboxypentanamido)-3-(1-pyridiniummethyl)-ceph -3- em-4-carboxylate and salts thereof, which may be prepared in substantially pure form. The novel compounds are useful for the preparation of (6R,7R)-7-amino-3-(1-pyridiniummethyl)ceph-3-em-4-carboxylate or salts thereof, which are themselves useful for the preparation of 7-substituted 3-pyridiniummethyl cephalosporin antibiotics such as ceftazidime and cephaloridine.
    Type: Grant
    Filed: August 30, 1985
    Date of Patent: February 7, 1989
    Assignee: Glaxo Group Limited
    Inventor: Gordon C. D. Smith
  • Cephalosporin compounds
    Patent number: 4563523
    Abstract: The invention relates to the novel compound (6R,7R)-7-(D-5-benzamido-5-carboxypentanamido)-3-(1-pyridiniummethyl)-ceph -3-em-4-carboxylate and salts thereof, which may be prepared in substantially pure form. The novel compounds are useful for the preparation of (6R,7R)-7-amino-3-(1-pyridiniummethyl)ceph-3-em-4-carboxylate or salts thereof, which are themselves useful for the preparation of 7-substituted 3-pyridiniummethyl cephalosporin antibiotics such as ceftazidime and cephaloridine.
    Type: Grant
    Filed: July 19, 1982
    Date of Patent: January 7, 1986
    Assignee: Glaxo Group Limited
    Inventor: Gordon C. D. Smith