Patents by Inventor Robin M. Black

Robin M. Black 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).

  • Piperidin-4-spiro-oxiranes
    Patent number: 5420280
    Type: Grant
    Filed: October 20, 1992
    Date of Patent: May 30, 1995
    Assignee: The Secretary of State for Defence in Her Britannic Majesty's Government of the United Kingdom of Great Britain and Northern Ireland
    Inventors: Robin M. Black, Keith Brewster
  • Bleaching agents
    Patent number: 4267325
    Abstract: N-chlorinated sulphonic acids of the formula ##STR1## (wherein R is group ##STR2## and their salts, particularly their sodium and potassium salts, are disclosed. These compounds are chlorine release agents and may be used as bleaching or germicidal agents either alone or in cleansing or detergent compositions. Preferred compounds are those wherein R is a group ##STR3## in the form of their sodium or potassium salts.
    Type: Grant
    Filed: February 27, 1979
    Date of Patent: May 12, 1981
    Assignee: Cadbury-Schweppes Limited
    Inventor: Robin M. Black
  • Pyrimido 1,2-b!isoquinolines
    Patent number: 4073906
    Abstract: The invention relates to pyrimido 1,2-b!isoquinolines of the formula ##STR1## and their pharmaceutically acceptable acid addition salts. In the formula, R.sup.1 and R.sup.2 each represent hydrogen, hydroxyl, lower alkyl, lower alkoxy, trifluoromethyl, halogen, amino or mono- or di-(lower)alkylamino and R.sup.3 and R.sup.4 each represent hydrogen or lower alkyl. The compounds have utility as anti-gastric ulcer agents.
    Type: Grant
    Filed: November 5, 1975
    Date of Patent: February 14, 1978
    Assignee: John Wyeth & Brother Limited
    Inventors: Alan C. White, Robin M. Black