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:
Sep. 14, 2021
Filed:
Feb. 20, 2018
Hisamitsu Pharmaceutical Co., Inc., Tosu, JP;
Toru Kobayashi, Tosu, JP;
Toshiyuki Matsudo, Tsukuba, JP;
Shinpei Nishimura, Tsukuba, JP;
Seiji Tokumoto, Tsukuba, JP;
Tetsuji Kuwahara, Tosu, JP;
HISAMITSU PHARMACEUTICAL CO., INC., Tosu, JP;
Abstract
A method for producing a microneedle device having a coating on the microneedles comprises a step A of drying a precursor composition containing a biologically active substance and a first solvent to obtain -a freeze-dried composition, a step B of mixing the freeze-dried composition with a second solvent to obtain a coating composition, and a step C of applying the coating composition to the microneedles and drying the same, wherein the precursor composition further contains a thickener, or a thickener is added when the freeze-dried composition and the second solvent are mixed.