US 11,732,110 B2
Polyalpha-1,3-glucan esters and articles made therefrom
Alicia C. Briegel, Wilmington, DE (US); Ross S. Johnson, Wilmington, DE (US); Vindhya Mishra, Wilmington, DE (US); Kathleen Opper, Wilmington, DE (US); and Shalini Saxena, Wilmington, DE (US)
Assigned to NUTRITION & BIOSCIENCES USA 4, INC., Rochester, NY (US)
Filed by NUTRITION & BIOSCIENCES USA 4, INC., Rochester, NY (US)
Filed on Jun. 10, 2020, as Appl. No. 16/897,361.
Application 16/897,361 is a continuation in part of application No. 16/461,097, previously published as PCT/US2017/062508, filed on Nov. 20, 2017.
Claims priority of provisional application 62/425,247, filed on Nov. 22, 2016.
Prior Publication US 2020/0308371 A1, Oct. 1, 2020
This patent is subject to a terminal disclaimer.
Int. Cl. C08L 5/00 (2006.01); C08B 37/00 (2006.01)
CPC C08L 5/00 (2013.01) [C08B 37/00 (2013.01); C08B 37/0006 (2013.01); C08B 37/0009 (2013.01); C08L 2203/10 (2013.01); C08L 2203/12 (2013.01); C08L 2203/16 (2013.01)] 10 Claims
 
1. An article comprising a poly alpha-1,3-glucan compound represented by the structure:

OG Complex Work Unit Chemistry
wherein: (i) n is at least 6 and (ii) each R1 is independently selected from the group consisting of H and an acyl group, wherein the acyl group is:

OG Complex Work Unit Chemistry
wherein “a” of said acyl group is 9 to 24;
wherein the poly alpha-1,3-glucan compound has a degree of substitution of 0.3 to 3.0;
and wherein the article is a rigid package, a nonwoven fabric, a woven fabric, a filter, a hot melt adhesive, or a sealant.