US 12,434,427 B2
Microstructured surface with increased microorganism removal when cleaned, articles and methods
Jodi L. Connell, St. Paul, MN (US); Raymond P. Johnston, Lake Elmo, MN (US); John J. Sullivan, Hudson, WI (US); Karl J. L. Geisler, St. Paul, MN (US); Vivian W. Jones, Woodbury, MN (US); Gordon A. Kuhnley, St. Paul, MN (US); Patrick G. Zimmerman, Mendota Heights, MN (US); Bradley W. Eaton, Woodbury, MN (US); Kurt J. Halverson, St. Paul, MN (US); Brian W. Lueck, Houlton, WI (US); Alexander C. Eldredge, Mahtomedi, MN (US); and Hyacinth L. Lechuga, St. Paul, MN (US)
Assigned to Solventum Intellectual Properties Company, Maplewood, MN (US)
Filed by Solventum Intellectual Properties Company, Maplewood, MN (US)
Filed on Aug. 10, 2023, as Appl. No. 18/447,807.
Application 18/447,807 is a division of application No. 17/182,507, filed on Feb. 23, 2021, granted, now 11,766,822.
Application 18/447,807 is a division of application No. PCT/IB2020/057840, filed on Aug. 20, 2020.
Claims priority of provisional application 63/142,688, filed on Jan. 28, 2021.
Claims priority of provisional application 63/067,701, filed on Aug. 19, 2020.
Claims priority of provisional application 63/027,412, filed on May 20, 2020.
Claims priority of provisional application 62/889,088, filed on Aug. 20, 2019.
Prior Publication US 2023/0405915 A1, Dec. 21, 2023
Int. Cl. B29C 59/02 (2006.01); B08B 17/06 (2006.01); B29C 51/02 (2006.01); B29C 51/14 (2006.01); B29L 31/00 (2006.01); B32B 37/12 (2006.01)
CPC B29C 59/022 (2013.01) [B08B 17/065 (2013.01); B29C 51/02 (2013.01); B29C 51/14 (2013.01); B29C 2059/023 (2013.01); B29L 2031/756 (2013.01); B32B 37/12 (2013.01); B32B 2307/754 (2013.01)] 20 Claims
OG exemplary drawing
 
1. An article comprising a surface that is exposed to the environment and is subject to be touched or otherwise coming in contact with people and/or animals, wherein the surface comprises a microstructured surface comprising peak structures and adjacent valleys, wherein:
the valleys have a maximum width ranging from 5 microns to 250 microns;
the peak structures have a side wall angle of greater than 10 degrees;
the microstructured surface comprises less than 30% of flat surface area that is parallel to a planar base layer; and
wherein the microstructured surface can provide a mean log 10 reduction of bacteria of at least 2 after cleaning.