US3838702A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dental floss
Assignee: Standard Oil Co
•
Filing: 1973-05-11
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Granted: 1974-10-01
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Expires: 1993-05-11
Abstract
Abstract A dental floss having an improved cleaning and polishing action is obtained by coating the floss with a coating agent comprising a resilient wax, polymer, or elastomer, having embedded therein a finely divided particulate polishing agent.
Inventors
- 👤 N Standish
- 👤 H Talsma
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 17:09
CPC Classifications
A; A61; A61Q; A61Q11/00; A61C; A61C15/00; A61C15/04; A61C15/041; A61K; A61K8/00; A61K8/02
Claims Analysis
Total Claims: 12
Claim 1
Independent Claim
88 words
DENTAL FLOSS COATED WITH A COATING AGENT COMPRISING A WATER-INSOLUBLE, RESILIENT MATRIX WHICH IS SELECTED FROM THE GROUP CONSISTING OF HYDROCARBON WAXES, POLYETHYLENE, POLYISOBUTYLENE, POLYBUTADIENE, COPOLYMERS OF BUTADIENE AND STYRENE, COPOLYMERS OF BUTADIENE AND ACRYLONITRILE, POLYISOPRENE, COPOLYMERS OF BUTADIENE AND ISOPRENE, POLYETHYLACRYLATE, AND MIXTURES THEREOF, AND A POLISHING AGENT EMBEDDED THEREIN WHICH IS SELECTED FROM THE GROUP CONSISTING OF AN OXIDE, SILICATE, CARBIDE, BORIDE, CARBONATE, PHOSPHATE, SULFIDE OR NITRIDE OF THE ELEMENTS: CALCIUM, MAGNESIUM, SILICON, ALUMINUM, IRON, TITANIUM, ZINC, TUNGSTEN, ZIRCONIUM, TIN, SODIUM AND POTASSIUM, AND THEIR MIXTURES.
Claim 2
Dependent Claim
88 words
DENTAL FLOSS COATED WITH A COATING AGENT COMPRISING A WATER-INSOLUBLE, RESILIENT MATRIX WHICH IS SELECTED FROM THE GROUP CONSISTING OF HYDROCARBON WAXES, POLYETHYLENE, POLYISOBUTYLENE, POLYBUTADIENE, COPOLYMERS OF BUTADIENE AND STYRENE, COPOLYMERS OF BUTADIENE AND ACRYLONITRILE, POLYISOPRENE, COPOLYMERS OF BUTADIENE AND ISOPRENE, POLYETHYLACRYLATE, AND MIXTURES THEREOF, AND A POLISHING AGENT EMBEDDED THEREIN WHICH IS SELECTED FROM THE GROUP CONSISTING OF AN OXIDE, SILICATE, CARBIDE, BORIDE, CARBONATE, PHOSPHATE, SULFIDE OR NITRIDE OF THE ELEMENTS: CALCIUM, MAGNESIUM, SILICON, ALUMINUM, IRON, TITANIUM, ZINC, TUNGSTEN, ZIRCONIUM, TIN, SODIUM AND POTASSIUM, AND THEIR MIXTURES.
Claim 3
Dependent Claim
30 words
The dental floss in claim 1 wherein the polishing agent is incorporated in the matrix in a weight ratio of polishing agent ot matrix of from about 1:5 to 5.5:1.
Claim 4
Dependent Claim
13 words
The dental floss in claim 2 wherein the matrix consists of hydrocarbon wax.
Claim 5
Dependent Claim
13 words
The dental floss in claim 2 wherein the matrix consists of branched polyethylene.
Claim 6
Dependent Claim
13 words
The dental floss in claim 2 wherein the polishing agent consists of pumice.
Claim 7
Dependent Claim
14 words
The dental floss in claim 2 wherein the polishing agent consists of calcium silicate.
Claim 8
Dependent Claim
14 words
The dental floss in claim 2 wherein the polishing agent consists of calcium carbonate.
Claim 9
Dependent Claim
14 words
The dental floss in claim 2 wherein the polishing agent consists of alumina hydrate.
Claim 10
Dependent Claim
14 words
The dental floss in claim 2 wherein the polishing agent consists of zirconium silicate.
Claim 11
Dependent Claim
13 words
The dental floss in claim 3 wherein the polishing agent consists of pumice.
Claim 12
Dependent Claim
26 words
The dental floss in claim 2 wherein the matrix consists of a mixture of hydrocarbon wax and branched polyethylene and the polishing agent consists of pumice.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1977-09-30 | 1978-04-01 | 1978-10-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-09-30 | 1982-04-01 | 1982-10-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-09-30 | 1986-04-01 | 1986-10-01 | $7700.00 | Window Closed / Lapsed |