US 11,926,929 B2
Melt blown nonwoven materials and fibers including starch-based polymeric materials
Donald R. Allen, Idaho Falls, ID (US); Leopoldo V. Cancio, Vero Beach, FL (US); Fehime Vatansever Ozaltun, Idaho Falls, ID (US); Bradford LaPray, Idaho Falls, ID (US); Bruno R. Pereira, Houston, TX (US); Kenneth L. Kramer, Columbus, IN (US); and Steven P. Sherman, Cedar Hills, UT (US)
Assigned to BIOLOGIQ, INC, Idaho Falls, ID (US)
Filed by BiologiQ, Inc., Idaho Falls, ID (US)
Filed on May 21, 2021, as Appl. No. 17/327,577.
Application 17/327,577 is a continuation in part of application No. 16/925,747, filed on Jul. 10, 2020.
Application 16/925,747 is a continuation in part of application No. 16/925,952, filed on Jul. 10, 2020, granted, now 11,359,088.
Application 16/925,952 is a continuation in part of application No. 16/925,705, filed on Jul. 10, 2020.
Application 16/925,705 is a continuation in part of application No. 16/425,397, filed on May 29, 2019, granted, now 11,149,144.
Application 16/425,397 is a continuation in part of application No. 16/391,909, filed on Apr. 23, 2019, granted, now 11,111,355.
Application 16/391,909 is a continuation in part of application No. 15/691,588, filed on Aug. 30, 2017, granted, now 11,046,840.
Application 15/691,588 is a continuation in part of application No. 15/481,823, filed on Apr. 7, 2017, granted, now 10,919,203, issued on Feb. 16, 2021.
Application 15/481,823 is a continuation in part of application No. 15/481,806, filed on Apr. 7, 2017, granted, now 10,995,201, issued on May 4, 2021.
Application 15/481,806 is a continuation in part of application No. 14/853,725, filed on Sep. 14, 2015, abandoned.
Application 14/853,725 is a continuation in part of application No. 14/853,780, filed on Sep. 14, 2015, abandoned.
Claims priority of provisional application 63/138,161, filed on Jan. 15, 2021.
Claims priority of provisional application 63/033,676, filed on Jun. 2, 2020.
Claims priority of provisional application 62/962,706, filed on Jan. 17, 2020.
Claims priority of provisional application 62/939,460, filed on Nov. 22, 2019.
Claims priority of provisional application 62/872,582, filed on Jul. 10, 2019.
Claims priority of provisional application 62/442,432, filed on Jan. 4, 2017.
Claims priority of provisional application 62/440,399, filed on Dec. 29, 2016.
Claims priority of provisional application 62/187,231, filed on Jun. 30, 2015.
Prior Publication US 2021/0269944 A1, Sep. 2, 2021
Int. Cl. D01D 5/098 (2006.01); D01F 9/00 (2006.01)
CPC D01D 5/0985 (2013.01) [D01F 9/00 (2013.01); D10B 2401/022 (2013.01); D10B 2401/041 (2013.01); D10B 2401/12 (2013.01)] 23 Claims
OG exemplary drawing
 
1. A method for melt blowing a composition that includes a starch-based polymeric material to produce thin fibers therefrom, the method comprising:
providing a composition that includes a starch-based polymeric material;
wherein the starch-based polymeric material has a crystallinity of less than about 20%, and resists recrystallization; and
melt blowing the composition to produce fibers including the starch-based polymeric material, wherein the composition exhibits a shear viscosity of above 50 Pa·s and no more than about 200 Pa·s at 190° C. at a process shear rate of 200 s−1, and avoids onset of melt flow instability during melt blowing.