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:
Mar. 06, 2001
Filed:
May. 04, 1999
Applicant:
Inventors:
Choong Eui Song, Seoul, KR;
Jung Woon Yang, Pusan, KR;
Assignee:
Korea Institute of Science and Technology, Seoul, KR;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07C 6/976 ; C07C 3/326 ; C07C 3/328 ; C07C 3/336 ;
U.S. Cl.
CPC ...
C07C 6/976 ; C07C 3/326 ; C07C 3/328 ; C07C 3/336 ;
Abstract
The present invention relates to silica gel supported bis-cinchona alkaloid compounds of the formula:
Song, Choong. (2001). Silica gel supported bis-cinchona alkaloid derivatives and a preparation method and use thereof (U.S. Patent No. 6197994). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/6197994
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile