Patents Assigned to Windleshaw Enterprises Limited
  • Filter for reducing the toxic effects of cigarette tobacco smoke
    Patent number: 4532947
    Abstract: The present invention provides a filter for use in association with cigarette tobacco, wherein the filter contains, as active component, at least one non-toxic inorganic or organic salt of a compound of the general formula:H--S--X--SO.sub.3 Hin which X is a straight or branched alkylene radical containing 2 to 6 carbon atoms, and/or cysteine and/or acetylcysteine. The present invention also provides a cigarette and a cigarette holder comprising such a filter.
    Type: Grant
    Filed: May 9, 1984
    Date of Patent: August 6, 1985
    Assignee: Windleshaw Enterprises Limited
    Inventor: Jane R. Caseley