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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.:

US 12419819 B1

PDFFull Text
Date of Patent:
Sep. 23, 2025

Filed:

Nov. 22, 2019

Method for forming coating film

Applicant:

Kao Corporation, Tokyo, JP;

Inventor:

Teruyuki Fukuda, Wakayama, JP;

Assignee:

KAO CORPORATION, Tokyo, JP;

Attorney:

Oblon, McClelland, Maier & Neustadt, L.L.P.

Primary Examiner:

Robert A Wax

Assistant Examiner:

John W Lippert, Iii

Int. Cl.
CPC ...
A61K 8/34 (2006.01); A61G 1/02 (2006.01); A61K 8/58 (2006.01); A61K 8/81 (2006.01); A61K 8/891 (2006.01); A61K 8/896 (2006.01); A61Q 1/02 (2006.01); B05D 1/02 (2006.01);
U.S. Cl.
CPC ...
A61K 8/34 (2013.01); A61K 8/585 (2013.01); A61K 8/8111 (2013.01); A61K 8/8158 (2013.01); A61K 8/891 (2013.01); A61K 8/896 (2013.01); A61Q 1/02 (2013.01); B05D 1/02 (2013.01); A61K 2800/43 (2013.01); A61K 2800/5426 (2013.01); A61K 2800/591 (2013.01);
Abstract

The present invention relates to a method for forming a coating film including a step of coating a liquid composition I containing a solvent A, a solvent B, and a polymer C to skin, wherein a boiling point of the solvent A is lower than 99° C., and a distance Ra of the Hansen solubility parameter of the solvent A to water is 36 or less; a boiling point of the solvent B is 150° C. or higher, and a distance Ra of the Hansen solubility parameter of the solvent B to water is 40 or more; and the solvent B is compatible with the solvent A, and the polymer C is soluble in the solvent A but insoluble in the solvent B.

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Fukuda, Teruyuki. (2025). Method for forming coating film (U.S. Patent No. 12419819). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12419819

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