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:
Feb. 25, 1997
Filed:
May. 11, 1995
Kazumi Ogata, Toyonaka, JP;
Hidetoshi Nakao, Amagasaki, JP;
Senju Pharmaceutical Co., Ltd., Osaka, JP;
Abstract
Tocopherol derivatives of the following formula (I) or a pharmacologically acceptable salt thereof ##STR1## wherein R.sub.l and R.sub.2 are the same or different and each represents hydrogen or methyl; R.sub.3 represents an .alpha.-amino acid, .omega.-amino acid, or peptide bonding via the N terminus thereof, except that in the case of cysteine or glutathione which has a thiol group, bonding via the thiol group, are water-soluble and can be expected to be of use as a cerebral function-improving drug and an anticataract drug. Moreover, these compounds are of value as an UV-absorber, a skin care ingredient, or a stabilizer for other cosmetic ingredients.