US 12,280,175 B2
Formulations and processes to generate repellent surfaces on medical devices
Nan Sun, State College, PA (US); and Birgitt Boschitsch, State College, PA (US)
Assigned to SPOTLESS MATERIALS INC., State College, PA (US)
Filed by SPOTLESS MATERIALS INC., State College, PA (US)
Filed on Dec. 18, 2023, as Appl. No. 18/543,266.
Application 18/543,266 is a division of application No. 17/020,409, filed on Sep. 14, 2020, granted, now 11,883,558.
Claims priority of provisional application 62/992,589, filed on Mar. 20, 2020.
Claims priority of provisional application 62/935,887, filed on Nov. 15, 2019.
Claims priority of provisional application 62/900,207, filed on Sep. 13, 2019.
Prior Publication US 2024/0181131 A1, Jun. 6, 2024
Int. Cl. A61L 24/06 (2006.01); A61L 27/34 (2006.01)
CPC A61L 27/34 (2013.01) [A61L 2420/02 (2013.01); A61L 2420/06 (2013.01)] 16 Claims
OG exemplary drawing
 
1. A formulation comprising: (i) one or more reactive components that can form a bonded layer on a surface in which the bonded layer comprises an array of compounds each compound having one end bound to a surface and an opposite end extending away from the surface; (ii) an acid catalyst; (iii) a solvent; and (iv) a lubricant,
wherein the one or more reactive components are selected from the group consisting of an alkoxysilane, di-alkoxy silane, tri-alkoxy silane or combinations thereof, and
wherein the lubricant has a viscosity of at least about 2 cSt when measured at 25° C.