logo

For the Inventor, By the Inventor

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 5690914 B1

PDFFull Text
Date of Patent:
Nov. 25, 1997

Filed:

Aug. 27, 1993

External preparation for skin

Applicant:
Inventors:

Masaru Suetsugu, Yokohama, JP;

Manami Ohnuma, Yokohama, JP;

Yoshihiro Morikawa, Yokohama, JP;

Yuki Yamase, Yokohama, JP;

Naoe Akiyama, Yokohama, JP;

Kenji Kitamura, Yokohama, JP;

Assignee:

Shiseido Co., Ltd, Tokyo, JP;

Attorney:

Townsend & Banta

Primary Examiner:

Shean C Wu

Int. Cl.
CPC ...
A61K / ; A61K / ; A61K / ;
U.S. Cl.
CPC ...
424 59 ; 424 60 ; 424 62 ; 424 63 ; 514844 ;
Abstract

An external preparation for skin including one or more than two types of tranexamic acid derivatives represented by the following general formula (A). GENERAL FORMULA (A) ##STR1## (In the formula (A), R.sub.1, R.sub.2 and R.sub.3 represents hydrogen atoms or substituents and at least one of these is the substituent.) The external preparation for skin including the derivatives have excellent depigmentation effect as well as skin care effect.

Find Patent Forward Citations

Suetsugu, Masaru. (1997). External preparation for skin (U.S. Patent No. 5690914). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5690914

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

Loading…