	US 12,291,636 B2
	Biodegradable polymeric material, biodegradable products and methods of manufacture and use therefor
Chang Dong, Mississauga (CA); Kritika Tyagi, Mississauga (CA); Nima Zarrinbakhsh, Mississauga (CA); Hossein Abdoli, Mississauga (CA); and Jiahui Wen, Shenzhen (CN)
Assigned to Erthos, Inc., Mississauga (CA)
Filed by Erthos Inc., Mississauga (CA)
Filed on Dec. 23, 2021, as Appl. No. 17/561,279.
Claims priority of application No. 202110129521.7 (CN), filed on Jan. 29, 2021.
Prior Publication US 2022/0275201 A1, Sep. 1, 2022
Int. Cl. C08L 67/04 (2006.01); C08L 67/02 (2006.01)

CPC C08L 67/04 (2013.01) [C08L 67/02 (2013.01); C08L 2201/06 (2013.01); C08L 2205/02 (2013.01)]

22 Claims

1. A biodegradable composition comprising:

(i) about 50-60% (w/w) of a polymer comprising one or more of biodegradable polyesters;

(ii) about 5-15% (w/w) of starch;

(iii) about 20-40% (w/w) of one or more of inorganic filler; and

(iv) about 0.1-10% (w/w) of fiber comprising one or more of biomass,

wherein the composition exhibits a 90% disintegration completion within about 180 to about 365 days in soil.