US 12,103,051 B2
Apparatus and methods employing liquid-impregnated surfaces
J. David Smith, Arlington, MA (US); Sushant Anand, Somerville, MA (US); Srinivas Prasad Bengaluru Subramanyam, Cambridge, MA (US); Konrad Rykaczewski, Scottsdale, AZ (US); and Kripa K. Varanasi, Lexington, MA (US)
Assigned to Massachusetts Institute of Technology, Cambridge, MA (US)
Filed by Massachusetts Institute of Technology, Cambridge, MA (US)
Filed on Dec. 1, 2020, as Appl. No. 17/108,889.
Application 17/108,889 is a continuation of application No. 14/443,620, granted, now 10,882,085, previously published as PCT/US2013/070827, filed on Nov. 19, 2013.
Claims priority of provisional application 61/827,444, filed on May 24, 2013.
Claims priority of provisional application 61/728,219, filed on Nov. 19, 2012.
Prior Publication US 2021/0291243 A1, Sep. 23, 2021
Int. Cl. B08B 17/06 (2006.01); B64D 15/06 (2006.01); B64F 5/20 (2017.01); C09D 5/16 (2006.01); C09D 167/00 (2006.01); C09D 179/08 (2006.01); C09D 183/04 (2006.01); F28F 19/00 (2006.01)
CPC B08B 17/065 (2013.01) [B64D 15/06 (2013.01); B64F 5/20 (2017.01); C09D 5/1656 (2013.01); C09D 5/1662 (2013.01); C09D 5/1675 (2013.01); C09D 5/1681 (2013.01); C09D 5/1693 (2013.01); C09D 167/00 (2013.01); C09D 179/08 (2013.01); C09D 183/04 (2013.01); F28F 19/006 (2013.01); F28F 2245/04 (2013.01)] 18 Claims
OG exemplary drawing
 
1. An article comprising an interior surface, said article being at least partially enclosed and adapted for containing or transferring a fluid of viscosity μ1, wherein the interior surface comprises a liquid-impregnated surface, said liquid-impregnated surface comprising an impregnating liquid and a matrix of solid features spaced sufficiently close to stably contain the impregnating liquid therebetween or therewithin, wherein the impregnating liquid comprises water (the impregnating liquid having viscosity μ2), wherein viscosity is measured at 20° C., wherein the solid features have a rough surface.