US4666708A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dental rinse
Assignee: Pfizer Inc
•
Filing: 1985-01-23
•
Granted: 1987-05-19
•
Expires: 2005-01-23
Abstract
Abstract This invention relates to improved oral compositions for dental hygiene, and, in particular, to dental rinse formulations which upon application to the teeth, loosen plaque present on dental surfaces and render it more amenable to removal during brushing with a conventional dentifrice.
Inventors
- 👤 Robert L. Goldemberg
- 👤 Allan J. Lazare
- 👤 Richard Berger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 09:07
CPC Classifications
A; A61; A61K; A61K8/00; A61K8/18; A61K8/19; A61K8/30; A61K8/33; A61K8/36; A61K8/368; A61K8/39; A61K8/40; A61K8/44; A61K8/46; A61K8/463; A61Q; A61Q11/00
Claims Analysis
Total Claims: 30
Claim 1
Independent Claim
102 words
A dental rinse composition for loosening and removing plaque present on dental surfaces consisting essentially of an aqueous or an aqueous and alcoholic carrier for the ingredients of said dental rinse composition, wherein the ingredients include: about 0.1% to about 10% by weight of said dental rinse composition of an oral surfactant, at least about 1% by weight of said composition of sodium benzoate effective to increase the amenability of said plaque to removal when said composition is applied to dental surfaces, said composition including an effective amount of a detergent builder, and having a pH of about 7.5 to about 10.
Claim 2
Dependent Claim
102 words
A dental rinse composition for loosening and removing plaque present on dental surfaces consisting essentially of an aqueous or an aqueous and alcoholic carrier for the ingredients of said dental rinse composition, wherein the ingredients include: about 0.1% to about 10% by weight of said dental rinse composition of an oral surfactant, at least about 1% by weight of said composition of sodium benzoate effective to increase the amenability of said plaque to removal when said composition is applied to dental surfaces, said composition including an effective amount of a detergent builder, and having a pH of about 7.5 to about 10.
Claim 3
Dependent Claim
14 words
The dental rinse according to claim 1 wherein said surfactant is an anionic surfactant.
Claim 4
Dependent Claim
37 words
The dental rinse according to claim 1 wherein the oral surfactant comprises about 0.5% to about 2% by weight of said dental rinse composition, and wherein said dental rinse includes at least about 2% of sodium benzoate.
Claim 5
Dependent Claim
14 words
The dental rinse according to claim 1 wherein the surfactant is sodium lauryl sulfate.
Claim 6
Dependent Claim
22 words
The dental rinse according to claim 4 wherein the dental rinse composition includes at least about 2% by weight of sodium benzoate.
Claim 7
Dependent Claim
51 words
The dental rinse according to claim 1 wherein the carrier further includes in solution as said detergent builder an effective amount of a compound selected from the group consisting of orally compatible borate, carbonate or bicarbonate detergent builders or a mixture thereof, in addition to said sodium benzoate and oral surfactant.
Claim 8
Dependent Claim
21 words
The dental rinse according to claim 1 wherein the dental rinse includes about 0.1% to 1% by weight of sodium borate.
Claim 9
Dependent Claim
21 words
The dental rinse according to claim 6 wherein said sodium benzoate comprises at least about 2% by weight of said composition.
Claim 10
Dependent Claim
21 words
The dental rinse according to claim 1 wherein the composition comprises about 0.1% to about 1% by weight of sodium bicarbonate.
Claim 11
Dependent Claim
28 words
The dental rinse according to claim 4 wherein said composition comprises by weight at least 2% sodium benzoate and about 0.1% to about 1% of said detergent builder.
Claim 12
Dependent Claim
18 words
The dental rinse according to claim 1 wherein the dental rinse includes an effective amount of sodium salicylate.
Claim 13
Dependent Claim
30 words
The dental rinse according to claim 1 wherein said dental rinse includes about 0.1% to 3% of said sodium salicylate, and an alkali alkyl sulfate salt as said oral surfactant.
Claim 14
Dependent Claim
17 words
The dental rinse according to claim 6 wherein said composition includes an effective amount of sodium salicylate.
Claim 15
Dependent Claim
20 words
The dental rinse according to claim 1 wherein the composition further includes an effective amount of a wound healing agent.
Claim 16
Dependent Claim
14 words
The dental rinse according to claim 14 wherein said wound healing agent is allantoin.
Claim 17
Dependent Claim
34 words
The dental rinse according to claim 1 wherein said composition comprises by weight about 2% sodium benzoate and about 0.1% to 3% sodium salicylate effective to aid in solubilizing plaque on said dental surfaces.
Claim 18
Dependent Claim
40 words
The dental rinse according to claim 1 wherein said carrier comprises about 65% to about 95% water and about 5% to about 35% alcohol, said ingredients of said composition are dissolved therein, and said oral surfactant is sodium lauryl sulfate.
Claim 19
Dependent Claim
55 words
The dental rinse according to claim 1 wherein the composition includes a solvent of alcohol and water for the ingredients of said dental rinse, about 0.5% to about 2% of an oral surfactant, about 0.1% to about 1% of sodium borate, about 0.3% to about 0.8% sodium bicarbonate, and at least about 2% sodium benzoate.
Claim 20
Dependent Claim
32 words
The dental rinse according to claim 1 wherein said composition further includes up to about 20% by weight of glycerine, allantoin, and about 0.1% to about 3% by weight of sodium salicylate.
Claim 21
Dependent Claim
88 words
The dental rinse according to claim 1 wherein said composition comprises at least about 2% sodium benzoate, about 0.1% to 1% sodium bicarbonate, about 0.1% to 1% sodium borate, up to about 20% by weight of glycerine, about 0.1% to about 3% sodium salicylate, and wherein said carrier comprises about 70% to 95% of said composition and said carrier is comprised of about 65% to about 95% water and about 5% to about 35% ethanol, said composition further including allantoin, xanthan gum, and minor effective amounts of flavorant.
Claim 22
Dependent Claim
14 words
The dental rinse according to claim 20 wherein said surfactant is sodium lauryl sulfate.
Claim 23
Dependent Claim
27 words
The dental rinse according to claim 1 wherein said composition includes minor effective amounts of flavorant and colorant and the pH of the composition is about 7.5.
Claim 24
Dependent Claim
36 words
The dental rinse according to claim 1 including at least about 2% of sodium benzoate and as said oral surfactant an alkali alkyl sulfate salt wherein said alkyl portion of said surfactant is substituted or unsubstituted.
Claim 25
Dependent Claim
23 words
The dental rinse according to claim 23 wherein said alkyl portion of said sulfate salt has about 9 to about 15 carbon atoms.
Claim 26
Dependent Claim
16 words
The dental rinse according to claim 1 wherein said oral surfactant is sulfosuccinate or sarcosinate surfactant.
Claim 27
Dependent Claim
14 words
The dental rinse according to claim 1 wherein said surfactant is a nonionic surfactant.
Claim 28
Dependent Claim
25 words
The dental rinse according to claim 1 wherein said oral surfactant is sodium lauryl sulfate which comprises about 0.1% to about 1.5% of said composition.
Claim 29
Dependent Claim
65 words
A composition suitable for application to dental surfaces to render the plaque thereon amenable to removal by brushing consisting essentially of an aqueous or an aqueous and alcoholic carrier, at least about 1% sodium benzoate, at least about 0.1% to about 1% of a detergent builder, about 0.1% to about 1% by weight of an oral surfactant, and minor effective amounts of colorant and flavorant.
Claim 30
Dependent Claim
65 words
A composition suitable for application to dental surfaces to render the plaque thereon amenable to removal by brushing consisting essentially of an aqueous or an aqueous and alcoholic carrier, at least about 1% sodium benzoate, at least about 0.1% to about 1% of a detergent builder, about 0.1% to about 1% by weight of an oral surfactant, and minor effective amounts of colorant and flavorant.
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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) | 1990-05-18 | 1990-11-17 | 1991-05-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1994-05-18 | 1994-11-17 | 1995-05-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1998-05-18 | 1998-11-17 | 1999-05-19 | $7700.00 | Window Closed / Lapsed |