US 12,006,594 B2
Quad-polymer precursor for producing carbon fiber, method for producing same and method for using same
Min Hye Jung, Jeonju-si (KR); Hyun Kyu Shin, Changwon-si (KR); Kyu Soon Park, Jeollabuk-do (KR); Duck Joo Yang, Flower Mound, TX (US); Benjamin Batchelor, Dallas, TX (US); and Samsuddin Mahmood, Dallas, TX (US)
Assigned to Board of Regents, The University of Texas System, Austin, TX (US); and Korea Institute of Carbon Convergence Technology, Jeonju-Si (KR)
Filed by Board of Regents, The University of Texas System, Austin, TX (US); and Korea Institute of Carbon Convergence Technology, Jeonju-si (KR)
Filed on Jul. 3, 2023, as Appl. No. 18/217,822.
Application 18/217,822 is a division of application No. 16/611,214, granted, now 11,692,285, previously published as PCT/KR2018/005300, filed on May 9, 2018.
Claims priority of provisional application 62/504,409, filed on May 10, 2017.
Prior Publication US 2023/0357960 A1, Nov. 9, 2023
Int. Cl. C08F 220/14 (2006.01); C01B 32/05 (2017.01); C08F 220/44 (2006.01); C08F 220/48 (2006.01); D01D 5/08 (2006.01); D01F 6/38 (2006.01); D01F 9/22 (2006.01); C08F 220/46 (2006.01)
CPC D01F 6/38 (2013.01) [C01B 32/05 (2017.08); C08F 220/14 (2013.01); C08F 220/44 (2013.01); C08F 220/48 (2013.01); D01D 5/08 (2013.01); D01F 9/22 (2013.01); C08F 220/46 (2013.01)] 11 Claims
OG exemplary drawing
 
1. A device or product comprising a fiber comprising a quad-polymer composition, wherein the quad-polymer composition comprises a chemical structure selected from the group consisting of:

OG Complex Work Unit Chemistry
wherein
(i) X, Y, Z, and M are wt % of the quad-polymer composition,
(ii) X+Y+Z+M=100%, and
(iii) n is an integer number of repeating units of the chemical structure.