Patent US4522806A successfully refreshed from Google Patents.
US4522806A
Expired / Lapsed
US
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Oral compositions for hexetidine and zinc salts for the synergistic inhibition of dental plaque
Assignee: CPPD Inc A CORP OF
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Filing: 1983-12-19
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Granted: 1985-06-11
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Expires: 2003-12-19
Abstract
Abstract Oral compositions, such as mouthwashes, sprays, gels, oral foams, toothpastes and the like which include a combination of an antibacterial pyrimidine amine base, especially hexetidine, plus one or several zinc salts. This combination inhibits the formation of dental plaque synergistically, without staining the teeth.
Inventors
- 👤 Hans R. Muhlemann
- 👤 Ulrich P. Saxer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 13:06
CPC Classifications
A; A61; A61K; A61K31/00; A61K31/33; A61K31/395; A61K31/495; A61K31/505; A61K8/00; A61K8/18; A61K8/19; A61K8/27; A61K6/00; A61K8/30; A61K8/49; A61K8/494; A61K8/4953; A61P; A61P1/00; A61P1/02; A61Q; A61Q11/00
Claims Analysis
Total Claims: 9
Claim 1
Independent Claim
39 words
An oral composition for inhibiting the formation of dental plaque comprising about 0.08 to about 3000 ppm w/w of hexetidine and zinc in cationic and cationizable form in a total quantity of about 4.0 to about 1265 ppm w/w.
Claim 2
Dependent Claim
39 words
An oral composition for inhibiting the formation of dental plaque comprising about 0.08 to about 3000 ppm w/w of hexetidine and zinc in cationic and cationizable form in a total quantity of about 4.0 to about 1265 ppm w/w.
Claim 3
Dependent Claim
36 words
The oral composition of claim 1 which comprises about 750 to about 3000 ppm w/w of hexetidine and zinc in cationic and cationizable form in a total quantity of about 215 to about 1265 ppm w/w.
Claim 4
Dependent Claim
13 words
The oral composition of claim 1 which further comprises a nonionic emulsifying agent.
Claim 5
Dependent Claim
28 words
The oral composition of claim 1 wherein the cationic and cationizable zinc is associated with anions selected from the group consisting of acetate, citrate, fluoride and mixtures thereof.
Claim 6
Dependent Claim
12 words
The oral composition of claim 1 in the form of a mouthwash.
Claim 7
Dependent Claim
12 words
The oral composition of claim 1 in the form of a spray.
Claim 8
Dependent Claim
13 words
The oral composition of claim 1 in the form of an oral foam.
Claim 9
Dependent Claim
12 words
The oral composition of claim 1 in the form of a lozenge.
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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) | 1988-06-10 | 1988-12-10 | 1989-06-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1992-06-10 | 1992-12-10 | 1993-06-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1996-06-10 | 1996-12-10 | 1997-06-11 | $7700.00 | Window Closed / Lapsed |