US 12,258,708 B2
Papermaking additive compositions and methods and uses thereof
Parker Dale, Newport Beach, CA (US); and Parker David Dale, Newport Beach, CA (US)
Assigned to Neozyme International, Inc., Costa Mesa, CA (US)
Filed by Neozyme International, Inc., Costa Mesa, CA (US)
Filed on Sep. 1, 2023, as Appl. No. 18/460,092.
Application 18/460,092 is a continuation of application No. 16/729,236, filed on Dec. 27, 2019, granted, now 11,773,535.
Application 16/729,236 is a continuation of application No. 15/243,958, filed on Aug. 22, 2016, granted, now 10,557,234, issued on Feb. 11, 2020.
Application 15/243,958 is a continuation in part of application No. 14/404,917, granted, now 9,617,178, issued on Apr. 11, 2017, previously published as PCT/US2013/000140, filed on May 24, 2013.
Claims priority of provisional application 62/208,662, filed on Aug. 22, 2015.
Claims priority of provisional application 61/689,077, filed on May 29, 2012.
Prior Publication US 2024/0003084 A1, Jan. 4, 2024
This patent is subject to a terminal disclaimer.
Int. Cl. D21C 5/00 (2006.01); D21C 5/02 (2006.01); D21H 17/00 (2006.01); D21H 21/24 (2006.01); D21H 21/36 (2006.01)
CPC D21C 5/005 (2013.01) [D21C 5/025 (2013.01); D21H 17/005 (2013.01); D21H 21/24 (2013.01); D21H 21/36 (2013.01); Y02W 30/64 (2015.05)] 20 Claims
 
1. A liquid composition comprising a treated, fermented yeast supernatant including bio-nutrients, minerals and amino acids, and about 1% to about 15% by weight of one or more ethoxylated nonionic surfactants, wherein the treated, fermented yeast supernatant is produced from a culture containing yeast belonging to the genus Saccharomyces; wherein the composition lacks active enzymes contributed by yeast during fermentation due to the treatment; and wherein the composition has a pH of about 2.5 to about 5.0.