US 11,999,669 B1
Nitrogen activator stabilizer for reducing and protecting nitrogen fertilizer
Hossam El-Din Saad El-Beltagi, Al-Ahsa (SA); Khaled Mohamed Amen Ramadan, Al-Ahsa (SA); Hani Saber Sayed Saudy, Cairo (EG); and Sameh Ahmed Rizk, Cairo (EG)
Assigned to KING FAISAL UNIVERSITY, Al-Ahsa (SA)
Filed by KING FAISAL UNIVERSITY, Al-Ahsa (SA)
Filed on Jan. 12, 2024, as Appl. No. 18/411,369.
Application 18/230,992 is a division of application No. 18/144,332, filed on May 8, 2023.
Application 18/411,369 is a continuation in part of application No. 18/230,992, filed on Aug. 7, 2023, abandoned.
Int. Cl. C07D 473/30 (2006.01); A01C 21/00 (2006.01); C05B 7/00 (2006.01); C05C 9/00 (2006.01); C05G 1/00 (2006.01); C05G 3/40 (2020.01); C05G 5/18 (2020.01); C05G 5/30 (2020.01)
CPC C05G 3/44 (2020.02) [A01C 21/00 (2013.01); C05B 7/00 (2013.01); C05C 9/005 (2013.01); C05G 1/00 (2013.01); C05G 5/18 (2020.02); C05G 5/38 (2020.02); C07D 473/30 (2013.01)] 1 Claim
OG exemplary drawing
 
1. 2-(1-(4-(dimethylamino)butyl)-8-((2-ethoxy-2-oxoethyl)thio)-6-oxo-6,9-dihydro-1H-purin-2-yl)-6-nitrobenzoic acid (ABT-PNB), having the following structure:

OG Complex Work Unit Chemistry