US 11,987,892 B2
Metal cleaning compositions comprising furoate esters and uses therefor
Michael Fatigati, Dayton, OH (US); William Farone, Irvine, CA (US); Rocio Rivera, Orange, CA (US); Dawnell Haupt, Corinth, MS (US); David Mccreery, Sunset Hills, MO (US); and Devin Whipple, Longmeadow, MA (US)
Assigned to NORTH AMERICAN PRODUCTS GROUP, LLC, Cuero, TX (US)
Appl. No. 16/962,460
Filed by NORTH AMERICAN PRODUCTS GROUP, LLC, Cuero, TX (US)
PCT Filed Jan. 18, 2019, PCT No. PCT/US2019/014130
§ 371(c)(1), (2) Date Jul. 15, 2020,
PCT Pub. No. WO2019/143893, PCT Pub. Date Jul. 25, 2019.
Claims priority of provisional application 62/619,600, filed on Jan. 19, 2018.
Prior Publication US 2021/0071309 A1, Mar. 11, 2021
Int. Cl. C11D 3/20 (2006.01); C11D 1/02 (2006.01); C11D 1/75 (2006.01); C11D 1/90 (2006.01); C11D 1/92 (2006.01); C11D 3/04 (2006.01); C11D 3/18 (2006.01); C11D 3/26 (2006.01); C11D 3/28 (2006.01); C11D 3/30 (2006.01); C11D 3/34 (2006.01); C11D 11/00 (2006.01); C11D 17/06 (2006.01); C23G 1/06 (2006.01)
CPC C23G 1/063 (2013.01) [C11D 1/02 (2013.01); C11D 1/75 (2013.01); C11D 1/90 (2013.01); C11D 1/92 (2013.01); C11D 3/04 (2013.01); C11D 3/18 (2013.01); C11D 3/2093 (2013.01); C11D 3/2096 (2013.01); C11D 3/30 (2013.01); C11D 3/34 (2013.01); C11D 11/0088 (2013.01); C11D 17/06 (2013.01); C23G 1/061 (2013.01)] 29 Claims
OG exemplary drawing
 
1. A metal cleaner comprising:
i) 3% to 60% by weight of at least one furoate ester;
ii) 20% to 70% by weight of at least one base oil, wherein the at least one base oil is selected from the group consisting of 22 cSt naphthenic oil, 280 cSt naphthenic oil, 16-17 cSt polyalphaolefin oil, and a combination thereof;
iii) 0.1% to 15% by weight of at least one metal protection additive; and
iv) 0.5% to 20% by weight of at least one lubrication additive.