US 11,864,964 B2
Quarternized titanium-nitride anti-bacterial coating for dental implants
Josephine F. Esquivel-Upshaw, Gainesville, FL (US); Fan Ren, Gainesville, FL (US); Patrick Carey, Malden, MA (US); Arthur E. Clark, Jr., Newberry, FL (US); and Christopher D. Batich, Gainesville, FL (US)
Assigned to University of Florida Research Foundation, Inc., Gainesville, FL (US)
Appl. No. 17/258,022
Filed by University of Florida Research Foundation, Inc., Gainesville, FL (US)
PCT Filed Jul. 31, 2019, PCT No. PCT/US2019/044556
§ 371(c)(1), (2) Date Jan. 5, 2021,
PCT Pub. No. WO2020/028596, PCT Pub. Date Feb. 6, 2020.
Claims priority of provisional application 62/712,553, filed on Jul. 31, 2018.
Prior Publication US 2021/0228323 A1, Jul. 29, 2021
Int. Cl. A61C 13/083 (2006.01); A61C 8/00 (2006.01)
CPC A61C 13/0835 (2013.01) [A61C 8/0013 (2013.01); A61C 2201/00 (2013.01)] 5 Claims
OG exemplary drawing
 
1. A medical apparatus, comprising a titanium layer coated with a titanium nitride layer, wherein the titanium nitride layer consists of titanium nitride quaternized with a C1-C6 alkenyl bromide or C1-C6 alkyl bromide.