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.

Date of Patent:
Feb. 15, 2000

Filed:

Apr. 10, 1995
Applicant:
Inventors:

Hans R Suess, Dulliken, CH;

Howard L Lene, Vaduz, LI;

Assignee:

Lincoln Technologies Inc., Westport, CT (US);

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61K / ; A61K / ;
U.S. Cl.
CPC ...
424401 ; 424 63 ; 424484 ; 424486 ;
Abstract

Active ingredients are solubilized or dispersed in a matrix which also contains dispersants. When this composition is applied to a permeable substrate, the matrix and dispersants associate with the substrate and bring the active ingredient into contact with the substrate while substantially preventing penetration of the active ingredient into the permeable substrate. The consistent and continuous contact of the active ingredient with the permeable substrate, needed to achieve optimal and reliable effectiveness of the active ingredient, is enhanced by the low water solubility of the composition and by its resistance to removal by rubbing. The composition is, however, easily removable by surface active agents, such as soaps and detergents.


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