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. 23, 2018
Filed:
Dec. 13, 2013
3m Innovative Properties Company, St. Paul, MN (US);
Kenneth A. P. Meyer, White Bear Township, MN (US);
Przemyslaw P. Markowicz, Woodbury, MN (US);
Stanley Rendon, Eagan, MN (US);
Robert L. W. Smithson, Mahtomedi, MN (US);
Ryan Patrick Simmers, Fargo, ND (US);
3M Innovative Properties Company, St. Paul, MN (US);
Abstract
The present application provides articles () having a polymeric substrate () with a plurality of solid and/or hollow microneedles () extending therefrom. Each solid microneedle is formed by a molding process and the microneedle has body with first () and second cavities () extending therein. The hollow microneedles are formed by removing a portion of the polymeric material disposed between the first cavity and the second cavity. A method for determining the location of a microneedle in an article comprising solid microneedles is also provided. The method comprises directing electromagnetic radiation toward an article comprising a plurality of microneedles and imaging the article.