US 12,215,197 B2
Crystalline, two dimensional polymers and a process for the preparation thereof
Santhosh Babu Sukumaran, Pune (IN); and Karayamkodath Chandran Ranjeesh, Pune (IN)
Assigned to COUNCIL OF SCIENTIFIC AND INDUSTRIAL RESEARCH, New Delhi (IN)
Appl. No. 17/600,955
Filed by COUNCIL OF SCIENTIFIC AND INDUSTRIAL RESEARCH, New Delhi (IN)
PCT Filed Apr. 2, 2020, PCT No. PCT/IN2020/050320
§ 371(c)(1), (2) Date Oct. 1, 2021,
PCT Pub. No. WO2020/202213, PCT Pub. Date Oct. 8, 2020.
Claims priority of application No. 201911013442 (IN), filed on Apr. 3, 2019.
Prior Publication US 2022/0185963 A1, Jun. 16, 2022
Int. Cl. C08G 73/18 (2006.01); C07C 17/02 (2006.01); C07C 51/09 (2006.01); C07C 67/347 (2006.01); C07D 235/16 (2006.01)
CPC C08G 73/18 (2013.01) [C07C 17/02 (2013.01); C07C 51/09 (2013.01); C07C 67/347 (2013.01); C07D 235/16 (2013.01)] 10 Claims
 
1. A crystalline, two dimensional polymer of Formula (I),

OG Complex Work Unit Chemistry
wherein R1 to R6 are selected from hydrogen and

OG Complex Work Unit Chemistry
wherein n is the number of repeating units of R1 to R6 and n is in the range of 3 to 6 but not 4;
and
wherein Ar is an aromatic ring;
provided that, from R1 to R6 at least one is

OG Complex Work Unit Chemistry