US4687663A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dental preparation, article and method for storage and delivery thereof
Assignee: Church and Dwight Co Inc
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Filing: 1985-06-17
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Granted: 1987-08-18
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Expires: 2005-06-17
Abstract
Abstract Disclosed is a method for cleaning teeth including extruding a first semi-solid component including hydrogen peroxide as an active ingredient, and extruding a second semi-solid component comprising sodium bicarbonate as an active ingredient, the first and second components being suitable for oral use. The first component and the second component are placed in contact with each other on a toothbrush. The teeth are brushed using the first and second components concurrently as a cleaning medium.
Inventors
- 👤 Hans A. Schaeffer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 13:06
CPC Classifications
B; B65; B65D; B65D81/00; B65D81/32; B65D81/325; A; A61; A61C; A61C5/00; A61C5/60; A61C5/62; A61C5/64; A61K; A61K8/00; A61K8/02; A61K8/04; A61K8/042; A61K8/18; A61K8/19; A61K8/22; A61K8/26; A61K8/30; A61K8/40; A61K8/42; A61K8/72; A61K8/73; A61K8/731; A61K8/81; A61K8/8141; A61K8/8147; A61Q; A61Q11/00; B65D35/00; B65D35/22; A61K2800/00; A61K2800/80; A61K2800/88; B05; B05C; B05C17/00; B05C17/005; B05C17/00503; B05C17/00516
Claims Analysis
Total Claims: 18
Claim 1
Independent Claim
77 words
A method for cleaning teeth comprising extruding a first semi-solid component comprising hydrogen peroxide as an active ingredient, said first component being suitable for oral use; extruding a second semi-solid component comprising sodium bicarbonate as an active ingredient, said second component being suitable for oral use; placing said first component and said second component in contact with each other on a toothbrush; and brushing said teeth using said first and second components concurrently as a cleaning medium.
Claim 2
Independent Claim
77 words
A method for cleaning teeth comprising extruding a first semi-solid component comprising hydrogen peroxide as an active ingredient, said first component being suitable for oral use; extruding a second semi-solid component comprising sodium bicarbonate as an active ingredient, said second component being suitable for oral use; placing said first component and said second component in contact with each other on a toothbrush; and brushing said teeth using said first and second components concurrently as a cleaning medium.
Claim 3
Dependent Claim
14 words
The method of claim 1, wherein said first and second components are extruded together.
Claim 4
Dependent Claim
17 words
The method of claim 1, wherein said first and second components are extruded together on the toothbrush.
Claim 5
Dependent Claim
19 words
The method of claim 1, wherein said first and second components are extruded and placed on the brush separately.
Claim 6
Dependent Claim
21 words
The method of claim 1, wherein said brushing takes place immediately after extruding said components and placing them onto said toothbrush.
Claim 7
Dependent Claim
22 words
The method of claim 1, wherein said first component contains from about 0.1 to about 10 percent H 2 O 2 .
Claim 8
Dependent Claim
13 words
The method of claim 1, wherein said first component is a non-neutralized gel.
Claim 9
Dependent Claim
13 words
The method of claim 1, wherein said first component is a neutralized gel.
Claim 10
Dependent Claim
21 words
The method of claim 1, wherein said second component contains from about 2 to about 60 percent sodium bicarbonate by weight.
Claim 11
Dependent Claim
12 words
The method of claim 1, wherein said second component is a paste.
Claim 12
Dependent Claim
46 words
The method of claim 1, wherein said first component is a gel comprising as a gelling agent a member selected from the group consisting of (a) copolymers of acrylic acid cross-linked with polyallyl sucrose; (b) an organic polymeric acid colloid; and (c) a polyoxyethylene/polyoxypropylene block copolymer.
Claim 13
Dependent Claim
15 words
The method of claim 1, wherein said second component is a paste comprising a thickener/stabilizer.
Claim 14
Dependent Claim
14 words
The method of claim 12, wherein said paste component further comprises a bodying agent.
Claim 15
Dependent Claim
15 words
The method of claim 12, wherein said paste component further comprises an additional tooth-cleaning agent.
Claim 16
Dependent Claim
17 words
The method of claim 12, wherein said paste component further comprises a fluorine-containing compound having anti-caries activity.
Claim 17
Dependent Claim
24 words
The method of claim 7, wherein said gel component further comprises a copolymer of acrylic acid cross-linked with polyallyl sucrose as a gelling agent.
Claim 18
Dependent Claim
53 words
The method of claim 8, wherein said gel component further comprises a copolymer of acrylic acid cross-linked with polyallyl sucrose as a gelling agent and a polyol selected from the group consisting of glycerin, sorbitol, propylene glycol, polypropylene glycol, polyethylene glycol, an ethoxylated lower fatty alcohol and a propoxylated lower fatty acid alcohol.
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) | 1990-08-17 | 1991-02-16 | 1991-08-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1994-08-17 | 1995-02-16 | 1995-08-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1998-08-17 | 1999-02-16 | 1999-08-18 | $7700.00 | Window Closed / Lapsed |