US 11,718,960 B2
Composition for providing grease and water resistant properties without use of a fluorinated compound, method of making the composition, and pulp molded article made by the method thereof
Mark Lewis, Dayton, WA (US); and Steve Rosse, Louisville, CO (US)
Assigned to Eco-Products, PBC, Boulder, CO (US)
Filed by Eco-Products, PBC, Boulder, CO (US)
Filed on Apr. 3, 2020, as Appl. No. 16/839,340.
Claims priority of provisional application 62/829,368, filed on Apr. 4, 2019.
Prior Publication US 2020/0318288 A1, Oct. 8, 2020
Int. Cl. D21H 11/12 (2006.01); D21H 17/17 (2006.01); D21H 17/60 (2006.01); D21H 19/22 (2006.01); D21H 21/16 (2006.01); D21J 3/00 (2006.01); A47G 19/02 (2006.01); B65D 1/34 (2006.01)
CPC D21H 11/12 (2013.01) [A47G 19/02 (2013.01); B65D 1/34 (2013.01); D21H 17/17 (2013.01); D21H 17/60 (2013.01); D21H 19/22 (2013.01); D21H 21/16 (2013.01); D21J 3/00 (2013.01)] 12 Claims
OG exemplary drawing
 
1. An article comprising:
at least 95 weight % of a natural fiber,
at least 0.15 weight % of an alkyl ketene dimer (AKD),
at least 0.1 weight % of a petroleum wax based aqueous emulsion,
and less than 1 weight % vinyl acetate-vinyl alcohol polymer,
wherein said article exhibits grease resistant properties and is suitable for food contact,
wherein the article is a pulp molded article.