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:
Jan. 25, 1977
Filed:
Jan. 10, 1975
Applicant:
Inventors:
Keisuku Murayama, Tokyo, JA;
Syoji Moriyama, Tokyo, JA;
Takao Yoshioka, Tokyo, JA;
Toshimasa Toda, Tokyo, JA;
Eiko Mori, Tokyo, JA;
Hideo Horiuchi, Tokyo, JA;
Susumu Higashida, Tokyo, JA;
Katsuaki Matsui, Tokyo, JA;
Tomoyuki Kurumada, Tokyo, JA;
Noriyuki Ohata, Tokyo, JA;
Hisayou Ohsawa, Tokyo, JA;
Assignee:
Sankyo Company Limited, Tokyo, JA;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07D / ; C07D / ;
U.S. Cl.
CPC ...
26029366 ; 26029364 ; 26029363 ; 2602 / ; 260 / ;
Abstract
Piperidine-spiro-hydrantoin derivatives having the formula ##STR1## wherein X represents oxygen atom or sulfur atom; n is an integer of 1 to 4 inclusive; and