US 12,286,524 B2
Flexible seaweed-based thin films and associated solution casting systems and methods
Julia Marsh, Berkeley, CA (US); Joakim Lars Georg Engström, Berkeley, CA (US); Matthew Catarino, Berkeley, CA (US); and Matthew Mayes, Alturas, CA (US)
Assigned to SWAY INNOVATION CO., Alturas, CA (US)
Filed by Sway Innovation Co., Alturas, CA (US)
Filed on Feb. 6, 2024, as Appl. No. 18/434,412.
Claims priority of provisional application 63/483,359, filed on Feb. 6, 2023.
Prior Publication US 2024/0262980 A1, Aug. 8, 2024
This patent is subject to a terminal disclaimer.
Int. Cl. C09D 101/00 (2006.01); C08K 5/053 (2006.01); C08L 5/12 (2006.01); C09D 101/02 (2006.01); C09D 105/12 (2006.01)
CPC C08K 5/053 (2013.01) [C08L 5/12 (2013.01); C09D 101/02 (2013.01); C09D 105/12 (2013.01); C08L 2203/162 (2013.01)] 29 Claims
OG exemplary drawing
 
1. A seaweed-based thin film, comprising:
a seaweed-based composition comprising agar, alginate, carrageenan, semi-refined seaweed, and/or unprocessed seaweed;
an agent comprising glycerin, sorbitol, sodium lignosulphonate, potassium lignosulphonate, calcium lignosulphonate, ammonium lignosulphonate, lignosulphonate, ascorbic acid, polyglyceride fatty acid esters, guar gum, tributyl citrate, erucamide, calcium carbonate, natural colorants, and/or odor absorbers; and
water,
wherein:
the seaweed-based composition comprises 50-90 wt % of the seaweed-based thin film,
the agent comprises no more than 40 wt % of the seaweed-based thin film,
when in a salt concentration of more than 900 microSiemens, the thin film composition exhibits a degree of swelling of no more than 200%, and
the water comprises 0.1-50 wt % of the seaweed-based thin film.