US 12,221,593 B2
Compositions for facilitating the removal of a fingerprint
Andreas Buthe, Minneapolis, MN (US); Ping Wang, Hudson, OH (US); Songtao Wu, Ann Arbor, MI (US); Hongfei Jia, Ann Arbor, MI (US); Masahiko Ishii, Okazaki (JP); and Minjuan Zhang, Ann Arbor, MI (US)
Assigned to TOYOTA MOTOR CORPORATION, Toyota (JP); and REGENTS OF THE UNIVERSITY OF MINNESOTA, Minneapolis, MN (US)
Filed by Toyota Motor Corporation, Toyota (JP); and Regents of the University of Minnesota, Minneapolis, MN (US)
Filed on Nov. 21, 2023, as Appl. No. 18/515,787.
Application 18/515,787 is a division of application No. 17/233,598, filed on Apr. 19, 2021, granted, now 11,834,635.
Application 17/233,598 is a division of application No. 15/810,700, filed on Nov. 13, 2017, granted, now 11,015,149, issued on May 25, 2021.
Application 15/810,700 is a continuation in part of application No. 14/812,087, filed on Jul. 29, 2015, granted, now 10,563,094, issued on Feb. 18, 2020.
Application 14/812,087 is a continuation of application No. 13/229,277, filed on Sep. 9, 2011, granted, now 9,121,016, issued on Sep. 1, 2015.
Application 15/810,700 is a continuation in part of application No. 15/193,242, filed on Jun. 27, 2016, granted, now 10,767,141, issued on Sep. 8, 2020.
Application 15/193,242 is a continuation of application No. 13/567,341, filed on Aug. 6, 2012, granted, now 9,388,370, issued on Jul. 12, 2016.
Application 13/567,341 is a continuation in part of application No. 12/820,101, filed on Jun. 21, 2010, granted, now 8,796,009, issued on Aug. 5, 2014.
Prior Publication US 2024/0158722 A1, May 16, 2024
This patent is subject to a terminal disclaimer.
Int. Cl. C11D 3/386 (2006.01); C08G 18/62 (2006.01); C08G 18/79 (2006.01); C09D 175/04 (2006.01); C11D 3/04 (2006.01); C11D 3/20 (2006.01); C11D 3/37 (2006.01); C11D 3/43 (2006.01); C11D 7/04 (2006.01); C11D 7/26 (2006.01); D06L 4/40 (2017.01); D06M 16/00 (2006.01)
CPC C11D 3/38618 (2013.01) [C08G 18/6225 (2013.01); C08G 18/792 (2013.01); C09D 175/04 (2013.01); C11D 3/04 (2013.01); C11D 3/044 (2013.01); C11D 3/2003 (2013.01); C11D 3/201 (2013.01); C11D 3/37 (2013.01); C11D 3/386 (2013.01); C11D 3/38627 (2013.01); C11D 3/43 (2013.01); C11D 7/04 (2013.01); C11D 7/261 (2013.01); C12Y 304/24027 (2013.01); D06L 4/40 (2017.01); D06M 16/003 (2013.01); C11D 2111/18 (2024.01)] 6 Claims
 
1. A composition for facilitating removal of a fingerprint from a surface, the composition comprising:
a substrate or a coating formed of an organic crosslinkable polymer resin; and
a lipase capable of enzymatically degrading a fat or oil component of a fingerprint, said lipase associated with said substrate or coating, wherein said lipase is uniformly dispersed in said substrate or coating in protein aggregates having an average diameter of 10 micrometers or less.