US4414990A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluoridated dental articles
Assignee: Johnson and Johnson Consumer Inc
•
Filing: 1982-04-02
•
Granted: 1983-11-15
•
Expires: 2002-04-02
Abstract
Abstract A fluoridated dental article for cleaning the interproximal surfaces of the teeth, such as dental floss or dental tape, comprising filaments coated with a wax coating that is in turn coated with a polymeric coating containing a fluoride salt.
Inventors
- 👤 Kevin G. Yost
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 20:15
CPC Classifications
A; A61; A61C; A61C15/00; A61Q; A61Q11/00; A61K; A61K8/00; A61K8/18; A61K8/19; A61K8/20; A61K8/21
Claims Analysis
Total Claims: 16
Claim 1
Independent Claim
46 words
A fluoridated dental article comprising: a plurality of filaments of a substrate material formed into a thread having a diameter which permits insertion between the teeth; a wax coating substantially covering said thread and; a polymeric coating including a fluoride salt substantially covering said wax coating.
Claim 2
Dependent Claim
46 words
A fluoridated dental article comprising: a plurality of filaments of a substrate material formed into a thread having a diameter which permits insertion between the teeth; a wax coating substantially covering said thread and; a polymeric coating including a fluoride salt substantially covering said wax coating.
Claim 3
Dependent Claim
28 words
The fluoridated dental article of claim 1 wherein the substrate material is selected from the group consisting of nylon, rayon, Dacron, acetate, cotton, wool, polyester and polypropylene monofilaments.
Claim 4
Dependent Claim
38 words
The fluoridated dental article of claim 1 wherein said wax coating material is selected from the group consisting of beeswax, parafin, microcrystalline waxes, and polyethylene glycols, having a melting point of from about 140° to about 200° F.
Claim 5
Dependent Claim
69 words
The fluoridated dental article of claim 1 wherein said polymeric coating material is selected from the group consisting of: alkyl monoesters of poly(methyl vinyl ether/maleic acid); polyvinyl pyrrolidones; acrylamide/acrylate/butylaminoethyl methacrylate polymers; vinyl acetate/crotonic acid copolymers; vinyl acetate/crotonic acid/vinyl neodecanoate terpolymers; terpolyamides comprised of the copolymerization products of three polyamide precursors, a dicarboxylic acid-diamine reaction product, a second but dissimilar dicarboxylic acid-diamine reaction product and a lactam; and hydroxypropyl cellulose.
Claim 6
Dependent Claim
34 words
The fluoridated dental article of claim 1 wherein said fluoride salt impregnated into said polymeric coating is selected from the group consisting of sodium fluoride, stannous fluoride, sodium monofluorophosphate, ammonium fluoride, and titanium fluoride.
Claim 7
Dependent Claim
25 words
The fluoridated dental article of claim 1 wherein said wax coating comprises from about 2 to about 30 percent by weight of the final product.
Claim 8
Dependent Claim
25 words
The fluoridated dental article of claim 1 wherein said polymeric coating comprises from about 1 to about 10 percent by weight of the final product.
Claim 9
Dependent Claim
26 words
The fluoridated dental article of claim 1 wherein said fluoride ion content is from about 0.0002 to about 2 milligrams per centimeter in the final product.
Claim 10
Dependent Claim
21 words
The fluoridated dental article of claim 1 wherein said fluoride salt consists of particles from about 1 to about 100 micrometers.
Claim 11
Dependent Claim
15 words
The fluoridated dental article of claim 1 wherein said wax coating further comprises a dye.
Claim 12
Dependent Claim
16 words
The fluoridated dental article of claim 1 wherein said wax further comprises a spray-dried flavoring material.
Claim 13
Dependent Claim
13 words
The fluoridated dental article of claim 1 wherein the article is dental floss.
Claim 14
Dependent Claim
13 words
The fluoridated dental article of claim 1 wherein the article is dental tape.
Claim 15
Dependent Claim
17 words
The fluoridated dental article of claim 1 wherein the polymeric coating is impregnated with said fluoride salt.
Claim 16
Dependent Claim
18 words
The fluoridated dental article of claim 1 wherein said fluoride salt is surface coated onto said polymeric coating.
References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1986-11-14 | 1987-05-16 | 1987-11-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1990-11-14 | 1991-05-16 | 1991-11-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1994-11-14 | 1995-05-16 | 1995-11-15 | $7700.00 | Window Closed / Lapsed |