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:
Aug. 24, 2021
Filed:
Nov. 13, 2015
Applicant:
L'oreal, Paris, FR;
Inventors:
Shu Liu, Kawasaki, JP;
Kazuyuki Ohnishi, Osaka, JP;
Assignee:
L'OREAL, Paris, FR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61M 37/00 (2006.01); A61K 8/73 (2006.01); A61K 8/81 (2006.01); A61Q 19/08 (2006.01); A61K 9/00 (2006.01); A61K 47/36 (2006.01); A61K 47/32 (2006.01); A61K 8/85 (2006.01); A45D 44/22 (2006.01); A61K 8/86 (2006.01); B29C 39/02 (2006.01); B29K 33/00 (2006.01); B29K 71/00 (2006.01); B29K 105/00 (2006.01); B29L 31/00 (2006.01);
U.S. Cl.
CPC ...
A61M 37/0015 (2013.01); A45D 44/22 (2013.01); A61K 8/735 (2013.01); A61K 8/8164 (2013.01); A61K 8/85 (2013.01); A61K 8/86 (2013.01); A61K 9/0021 (2013.01); A61K 47/32 (2013.01); A61K 47/36 (2013.01); A61Q 19/08 (2013.01); A61K 2800/805 (2013.01); A61K 2800/91 (2013.01); A61M 2037/0046 (2013.01); A61M 2037/0053 (2013.01); A61M 2205/0216 (2013.01); A61M 2207/00 (2013.01); B29C 39/026 (2013.01); B29K 2033/00 (2013.01); B29K 2071/02 (2013.01); B29K 2105/0085 (2013.01); B29L 2031/7544 (2013.01);
Abstract
The present invention relates to a microneedle comprising a plurality of portions, wherein the plurality of portions comprise a distal end portion and a proximal end portion, at least two of the plurality of portions are made of different polymers, and the distal end portion is made of at least one polymer with high swellability and high viscoelasticity.