US 12,227,721 B2
Hydrofluorothioethers and methods of using same
Michael G. Costello, Afton, MN (US); Zai-Ming Qiu, Woodbury, MN (US); David J. Lundberg, Cottage Grove, MN (US); and Alexandre R. Monteil, St. Paul, MN (US)
Assigned to 3M INNOVATIVE PROPERTIES COMPANY, St. Paul, MN (US)
Appl. No. 17/608,918
Filed by 3M INNOVATIVE PROPERTIES COMPANY, St. Paul, MN (US)
PCT Filed May 6, 2020, PCT No. PCT/IB2020/054296
§ 371(c)(1), (2) Date Nov. 4, 2021,
PCT Pub. No. WO2020/229953, PCT Pub. Date Nov. 19, 2020.
Prior Publication US 2022/0298454 A1, Sep. 22, 2022
Int. Cl. C11D 1/72 (2006.01); C11D 1/00 (2006.01); C11D 1/722 (2006.01); C11D 3/18 (2006.01); C11D 3/20 (2006.01); C11D 3/24 (2006.01); C11D 3/34 (2006.01); C11D 3/43 (2006.01); C11D 3/44 (2006.01); C11D 7/24 (2006.01)
CPC C11D 3/245 (2013.01) [C11D 1/00 (2013.01); C11D 1/72 (2013.01); C11D 1/722 (2013.01); C11D 3/18 (2013.01); C11D 3/2068 (2013.01); C11D 3/3427 (2013.01); C11D 3/43 (2013.01); C11D 7/24 (2013.01)] 15 Claims
 
1. A composition comprising:
a compound having structural formula (I):
Rf—S—Rh  (I)
wherein (i) Rf is a perfluorinated group having 3 to 6 carbon atoms and optionally comprises one or more catenated heteroatoms, and (ii) Rh is a non-fluorinated hydrocarbon group having 1-3 carbon atoms and optionally comprises one or more catenated heteroatoms; and
an organic lubricant contaminant, wherein the organic lubricant comprises a hydrocarbon having the formula CnH2n+2, where n is greater than 5.