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.

Date of Patent:
Mar. 01, 2005

Filed:

Jun. 06, 2002
Applicants:

Kazuhisa Maeda, Yokohama, JP;

Masato Hatao, Yokohama, JP;

Inventors:

Kazuhisa Maeda, Yokohama, JP;

Masato Hatao, Yokohama, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61K007/42 ; A61K007/44 ; A61K007/00 ; A61K031/34 ;
U.S. Cl.
CPC ...
Abstract

A method of preventing darkening of the skin or inhibiting melanization caused by the irradiation of the melanin monomers with long wavelength ultraviolet rays having a wavelength of 320-400 nm as well as a polymerization inhibitor of a biological dihydroxyindole compound comprising 3-O-ethyl ascorbic acid and an external skin treatment composition containing the same.


Find Patent Forward Citations

Maeda, Kazuhisa. (2005). Method of preventing darkening of skin or inhibiting melanization of melenin monomer and polymerization inhibitor of biological dihydroxyindole compound (U.S. Patent No. 6861050). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/6861050

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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