US 11,654,090 B2
Tooth-attachable patch capable of being removed by tooth brushing
Jong-Hoon Kim, Daejeon (KR); Jae-Hyun Ahn, Daejeon (KR); Kwang-Ho Oh, Daejeon (KR); In-Ho Lee, Daejeon (KR); and Woo-Sun Shim, Daejeon (KR)
Assigned to LG Household & Health Care Ltd., (KR)
Filed by LG Household & Health Care Ltd., Seoul (KR)
Filed on May 3, 2021, as Appl. No. 17/306,071.
Application 17/306,071 is a continuation of application No. 16/902,892, filed on Jun. 16, 2020, granted, now 11,026,868.
Application 16/902,892 is a continuation of application No. 15/766,182, granted, now 11,229,582, previously published as PCT/KR2016/009666, filed on Aug. 30, 2016.
Claims priority of application No. 10-2015-0140104 (KR), filed on Oct. 6, 2015; application No. 10-2015-0146678 (KR), filed on Oct. 21, 2015; application No. 10-2015-0150249 (KR), filed on Oct. 28, 2015; and application No. 10-2015-0157626 (KR), filed on Nov. 10, 2015.
Prior Publication US 2021/0251853 A1, Aug. 19, 2021
This patent is subject to a terminal disclaimer.
Int. Cl. A61K 8/02 (2006.01); A61K 8/22 (2006.01); A61K 8/24 (2006.01); A61Q 11/02 (2006.01); A61K 8/72 (2006.01); A61K 8/19 (2006.01); A61K 47/38 (2006.01); A61K 9/70 (2006.01); A61K 9/00 (2006.01); A61K 47/32 (2006.01); A61K 33/40 (2006.01); A61K 8/9789 (2017.01); A61K 8/9794 (2017.01); A61K 8/97 (2017.01); A61K 8/34 (2006.01); A61K 8/49 (2006.01); A61K 8/73 (2006.01); A61K 8/81 (2006.01); A61K 8/92 (2006.01); A61Q 11/00 (2006.01)
CPC A61K 8/0208 (2013.01) [A61K 8/02 (2013.01); A61K 8/19 (2013.01); A61K 8/22 (2013.01); A61K 8/24 (2013.01); A61K 8/34 (2013.01); A61K 8/345 (2013.01); A61K 8/4973 (2013.01); A61K 8/72 (2013.01); A61K 8/73 (2013.01); A61K 8/731 (2013.01); A61K 8/8176 (2013.01); A61K 8/922 (2013.01); A61K 8/97 (2013.01); A61K 8/9789 (2017.08); A61K 8/9794 (2017.08); A61K 9/006 (2013.01); A61K 9/0056 (2013.01); A61K 9/0063 (2013.01); A61K 9/7007 (2013.01); A61K 9/7053 (2013.01); A61K 33/40 (2013.01); A61K 47/32 (2013.01); A61K 47/38 (2013.01); A61Q 11/00 (2013.01); A61Q 11/02 (2013.01); A61K 2800/92 (2013.01)] 17 Claims
 
1. A patch for attaching to teeth or a surrounding part of teeth, comprising:
a drug layer including a drug component; and
a backing layer which is positioned on one side of the drug layer and whose tensile strength is reduced by 50% or more by absorbing moisture, compared to before moisture absorption,
wherein the backing layer is capable of being degraded, dispersed into particles and detached by tooth brushing, and
wherein a breakable portion is formed on the backing layer.