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:
Oct. 17, 2023
Filed:
Jun. 08, 2017
Applicant:
Carl Freudenberg KG, Weinheim, DE;
Inventors:
Assignee:
CARL FREUDENBERG KG, Weinheim, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61F 13/02 (2006.01); A61L 15/42 (2006.01); A61L 15/26 (2006.01); A61L 15/58 (2006.01); A61F 13/00 (2006.01);
U.S. Cl.
CPC ...
A61F 13/0206 (2013.01); A61F 13/0203 (2013.01); A61F 13/0253 (2013.01); A61F 13/0289 (2013.01); A61L 15/26 (2013.01); A61L 15/425 (2013.01); A61L 15/58 (2013.01); A61F 2013/0074 (2013.01); A61F 2013/00782 (2013.01);
Abstract
A dermal patch includes: an open-cell foam layer; and an adhesive layer arranged thereon and intended for contact with skin. At least a side of the foam layer facing the adhesive layer has macropores whose cavities are spanned at least partially by a barrier layer formed from the foam layer.