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:
Apr. 06, 1993
Filed:
Feb. 10, 1992
Applicant:
Inventors:
Nobuo Ikekawa, Tokyo, JP;
Takeo Taguchi, Tokyo, JP;
Yoko Tanaka, Delmar, NY (US);
Yoshiro Kobayashi, Tokyo, JP;
Yutaka Ohira, Tsukuba, JP;
Assignee:
Daikin Industries Ltd., Osaka, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07J / ;
U.S. Cl.
CPC ...
552653 ;
Abstract
Fluorine-containing vitamin D.sub.3 analogues of the formula: ##STR1## wherein R.sup.1, R.sup.2 and R.sup.3 are independently hydrogen atom, a hydroxy-protecting group, having excellent pharmacological activities, such as tumor cell differentiation-inducing activity, which are useful as a medicament.