Patents by Inventor Horst Lechner

Horst Lechner 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).

  • Patent number: 4438091
    Abstract: This invention relates to vehicles for the administration of bromhexine. More specifically, this invention relates to a composition for the delayed release of bromhexine which comprises (i) spheroid particles or tablets comprised of (a) bromhexine and/or acid addition salts thereof and (b) at least one pharmacologically acceptable acid or acidic substance, the total amount of acid substance from acid addition salts present and the acid or acidic substance being in a ratio of at least 2 mols to 1 mol of bromhexine, and (ii) a coating surrounding said spheroid particles or tablets, said coating being comprised of from about 50 to 100 percent by weight of acid-insoluble lacquers soluble in intestinal juices and from about 0 to 50 percent by weight of lacquers insoluble in gastric and intestinal juices and said coating being present in an amount of from about 2 to 30 percent by weight, based upon the weight of the spheroid particles or tablets.
    Type: Grant
    Filed: June 30, 1982
    Date of Patent: March 20, 1984
    Assignee: Dr. Karl Thomae GmbH
    Inventors: Peter Gruber, Jochen Schmid, Horst Lechner, Eckhart Bauer