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:
Sep. 11, 2018
Filed:
Apr. 19, 2018
Applicants:
Chengyuan Liang, Xi'an, CN;
Danni Tian, Xi'an, CN;
Shunjun Ding, Xi'an, CN;
Inventors:
Assignee:
SHAANXI UNIVERSITY OF SCIENCE AND TECHNOLOGY, Xi'an, CN;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07D 491/107 (2006.01);
U.S. Cl.
CPC ...
C07D 491/107 (2013.01);
Abstract
An isatin spiro compound having the following formula (I): Ris halogen or Calkyl; Ris Calkyl or benzyl; and Rand Rare independently H, Calkyl or phenyl.