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:
May. 26, 1998
Filed:
May. 06, 1997
Applicant:
Inventors:
Sachiko Kato, Kawachinagano, JP;
Iwao Chujo, Izumisano, JP;
Takehiro Ogasa, Sakai, JP;
Masaji Kasai, Fujisawa, JP;
Yukiteru Mimura, Shizuoka, JP;
Assignee:
Kyowa Hakko Kogyo Co., Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C / ;
U.S. Cl.
CPC ...
560147 ;
Abstract
The present invention relates to glutathione monoester sulfonate represented by formula (I): ##STR1## (wherein R.sup.1 represent lower alkyl, and R.sup.2 represents lower alkyl, or substituted or unsubstituted aryl) which readily crystallizes and has high stability, and a simple process for producing the same. According to the process, the product having high purity can be obtained in high yields.