IP Library Granted Patent US 11,864,964
Granted Patent B2
US 11,864,964 · App. 17/258,022 · Granted Jan 9, 2024

Quarternized titanium-nitride anti-bacterial coating for dental implants

Inventors: Josephine F. Esquivel-Upshaw (Gainesville, FL); Fan Ren (Gainesville, FL); Patrick Carey (Malden, MA); Arthur E. Clark, Jr. (Newberry, FL); Christopher D. Batich (Gainesville, FL)
Assignee: University of Florida Research Foundation, Inc.
A61C13/0835A61C8/0013A61C2201/00
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Quick Facts
Patent No.
US 11,864,964
App. No.
17/258,022
Granted
Jan 9, 2024
Kind
B2
Abstract

Disclosed herein is a method for forming an anti-microbial layer on an apparatus. Also disclosed is a method for improving the anti-bacterial properties of a titanium device coated with titanium-nitride (TiN). Also disclosed is a medical apparatus comprising an anti-microbial layer prepared by the disclosed methods. This abstract is intended as a scanning tool for purposes of searching in the particular art and is not intended to be limiting of the present disclosure.

Claims (5)

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.

2. The apparatus of claim 1 , wherein the C1-C6 alkenyl bromide is allyl bromide.

3. The apparatus of claim 1 , wherein the titanium nitride layer has a thickness of about 50 Å to about 1000 Å.

4. The apparatus of claim 3 , wherein the titanium layer having has a thickness of about 100 Å to about 3000 Å.

5. The apparatus of claim 1 , wherein the titanium nitride layer consists of the C1-C6 alkyl bromide.

Assignments (1)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Aug 3, 2021
From: ESQUIVEL-UPSHAW, JOSEPHINE F.; REN, FAN; CAREY, PATRICK; CLARK, ARTHUR E., JR.; BATICH, CHRISTOPHER D.
To: UNIVERSITY OF FLORIDA RESEARCH FOUNDATION, INC.
Reel/Frame 057061/0365 →
Continuity (2)
Provisional Application 62712553 · Jul 31, 2018
Related Publication 20210228323A1 · Jul 29, 2021