The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jun. 06, 1995
Filed:
Aug. 16, 1993
Applicant:
Inventors:
Klaus Lehmann, Rossdorf, DE;
Ottilie E Kehr-Dreher, Griesheim, DE;
Giuseppe Di Pascale, Weiterstadt, DE;
Assignee:
Rohm GmbH, Darmstadt, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61K / ; A61K / ;
U.S. Cl.
CPC ...
424464 ; 424472 ; 424474 ; 424475 ; 424479 ; 424482 ; 424487 ; 424488 ; 424493 ; 424497 ;
Abstract
Coating agents comprising a liquid phase, a polysaccharide decomposable in the colon, such as locust bean gum or guar gum, and a film forming polymer preferably having hydrophilic groups, which agent, when used for the coating of oral dosage unit forms, give coatings of high mechanical strength which are first decomposed under the influence of glycosidic enzymes in the colon; oral dosage unit forms incorporating such agents.