Patents by Inventor Leonardus W. T. De Boer

Leonardus W. T. De Boer 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).

  • Pharmaceutical tablet, pharmaceutical granulate and process for their preparation
    Patent number: 4950484
    Abstract: A pharmaceutical tablet containing an amphoteric beta-lactam antibiotic, microcrystalline or micro fine cellulose or a mixture of both and a second disintegrant, being low-substituted hydroxypropylcellulose, which fully disintegrates in water within 60 seconds. When swallowed it shows a bioavailability as good as a pharmacy prepared suspension of the antibiotic. The tablet is compressed from a mixture containing a new granulate which is prepared from the antibiotic substance, microcrystalline and/or micro fine cellulose and water only. Such tablets can also be prepared by using other known tablet disintegrants as the second disintegrant.
    Type: Grant
    Filed: March 2, 1988
    Date of Patent: August 21, 1990
    Assignee: Gist-Brocades N.V.
    Inventors: Margaretha Olthoff, Leonardus W. T. De Boer, Piet J. Akkerboom