US4548219A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluoride-coated dental floss
Assignee: Individual
•
Filing: 1983-03-14
•
Granted: 1985-10-22
•
Expires: 2003-03-14
Abstract
Abstract A fluoride-coated dental floss which has enhanced bactericidal activity and a process for manufacturing the product, which includes dissolving a fluoride composition in a suitable solvent, homogenizing the mixture with a melted water-soluble wax, and applying the resulting composition to dental floss.
Inventors
- 👤 Michael G. Newman
- 👤 Fermin A. Carranza, Jr.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 05:38
CPC Classifications
A; A61; A61Q; A61Q11/00; A61C; A61C15/00; A61C15/04; A61C15/041; A61K; A61K8/00; A61K8/18; A61K8/19; A61K8/20; A61K8/21
Claims Analysis
Total Claims: 8
Claim 1
Independent Claim
28 words
A process of manufacturing fluoride-coated dental floss comprising: dissolving a fluroide composition in water, adding the mixture to melted water-soluble wax, and applying the mixture to dental floss.
Claim 2
Dependent Claim
28 words
A process of manufacturing fluoride-coated dental floss comprising: dissolving a fluroide composition in water, adding the mixture to melted water-soluble wax, and applying the mixture to dental floss.
Claim 3
Dependent Claim
11 words
The process of claim 1 wherein the wax is polyethylene glycol.
Claim 4
Dependent Claim
12 words
The process of claim 2 wherein the fluoride composition is stannous fluoride.
Claim 5
Dependent Claim
27 words
The process of claim 3 in which stannous fluoride is added in concentrations ranging from about 1000 ppm F - to about 6000 ppm F - .
Claim 6
Dependent Claim
21 words
The process of claim 3 in which stannous fluoride is added in a concentration of about 4000 ppm F - .
Claim 7
Dependent Claim
19 words
The process of claim 3 wherein the mixture was heated to boiling to facilitate solubility of the stannous fluoride.
Claim 8
Dependent Claim
18 words
The process of claim 4 with the additional step of incorporating the coated floss into an airtight container.
References Cited (Backward Citations)
US1069874A
Cited
US1789052A
Cited
US1839486A
Cited
US2667443A
Cited
US2700636A
Cited
US2748781A
Cited
US2967131A
Cited
US2772205A
Cited
US2829086A
Cited
US2976554A
Cited
US3076218A
Cited
US3337412A
Cited
US3754332A
Cited
US3699979A
Cited
US3771536A
Cited
US3830246A
Cited
US3830247A
Cited
US3897795A
Cited
US4019522A
Cited
US4029113A
Cited
US4034771A
Cited
US4237911A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1988-10-21 | 1989-04-22 | 1989-10-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1992-10-21 | 1993-04-22 | 1993-10-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1996-10-21 | 1997-04-22 | 1997-10-22 | $7700.00 | Window Closed / Lapsed |