US 12,365,763 B2
Phthalonitrile resins, methods of making same and compositions thereof
Kuanqiang Gao, The Woodlands, TX (US); Naraso Borjigin, The Woodlands, TX (US); and Tao Tao, The Woodlands, TX (US)
Assigned to HUNTSMAN ADVANCED MATERIALS Americas LLC
Appl. No. 17/772,276
Filed by Huntsman Advanced Materials Americas LLC, The Woodlands, TX (US)
PCT Filed Oct. 30, 2020, PCT No. PCT/US2020/058099
§ 371(c)(1), (2) Date Apr. 27, 2022,
PCT Pub. No. WO2021/087193, PCT Pub. Date May 6, 2021.
Claims priority of provisional application 62/928,466, filed on Oct. 31, 2019.
Prior Publication US 2023/0023657 A1, Jan. 26, 2023
Int. Cl. C08G 73/06 (2006.01); C07D 307/42 (2006.01); C08G 8/06 (2006.01); C08G 8/36 (2006.01); C08G 73/02 (2006.01); C08G 73/22 (2006.01); C08J 5/04 (2006.01); C08J 5/24 (2006.01)
CPC C08G 73/0672 (2013.01) [C07D 307/42 (2013.01); C08G 8/06 (2013.01); C08G 8/36 (2013.01); C08G 73/0233 (2013.01); C08G 73/024 (2013.01); C08G 73/065 (2013.01); C08G 73/22 (2013.01); C08J 5/04 (2013.01); C08J 5/249 (2021.05); C08J 2379/04 (2013.01)] 1 Claim
 
1. A functionalized phthalonitrile monomer obtained from the reaction of (i) a polyhydric phenol compound comprising at least one furan group or thiophene group, and (ii) 4-nitrophthalonitrile, wherein the polyhydric phenol compound comprising at least one furan group or thiophene group is a compound selected from the formulas (2) to (7) and (9) to (10)

OG Complex Work Unit Chemistry
where n is an integer from about 3 to about 3.2.