US3761583A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cuprous thiocyanate dentifrice composition
Assignee: Witco Corp
•
Filing: 1971-03-08
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Granted: 1973-09-25
•
Expires: 1991-03-08
Abstract
Abstract A plaque inhibiting and reducing mixture is formed of cuprous thiocyanate and any of the conventional dentifrices including powder, paste, chewing gums, permanent or temporary coatings and liquids. So utilized, the active ingredient cuprous thiocyanate has the ability to inhibit and reduce plaque and hence calculus and thereby affords a reduction in the possibility of periodontal diseases and dental caries.
Inventors
- 👤 S Gladstone
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 16:29
CPC Classifications
A; A61; A61Q; A61Q11/00; A61K; A61K8/00; A61K8/18; A61K8/19; A61K8/23
Claims Analysis
Total Claims: 9
Claim 1
Independent Claim
16 words
A dentifrice in accordance with claim 1 in which the cuprous thiocyanate is in powder form.
Claim 2
Dependent Claim
12 words
A dentifrice in accordance with claim 1 which is in paste form.
Claim 3
Dependent Claim
12 words
A dentifrice in accordance with claim 1 which is in liquid form.
Claim 4
Dependent Claim
12 words
A dentifrice in accordance with claim 1 which is in gum form.
Claim 5
Dependent Claim
36 words
A process of inhibiting or reducing the formation of plaque on teeth which comprises applying cuprous thiocyanate to the teeth using a dentifrice containing about 1 percent to about 10 percent by weight of cuprous thiocyanate.
Claim 6
Dependent Claim
31 words
A process in accordance with claim 6 in which the cuprous thiocyanate is applied as a component in a coating forming composition whereby a semi-permanent coating is formed on the teeth.
Claim 7
Dependent Claim
17 words
A process in accordance with claim 6 in which the cuprous thiocyanate is applied in powdered form.
Claim 8
Dependent Claim
17 words
A process in accordance with claim 6 in which the cuprous thiocyanate is applied in paste form.
Claim 9
Dependent Claim
17 words
A process in accordance with claim 6 in which the cuprous thiocyanate is Applied in liquid form.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-09-24 | 1977-03-26 | 1977-09-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-09-24 | 1981-03-26 | 1981-09-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-09-24 | 1985-03-26 | 1985-09-25 | $7700.00 | Window Closed / Lapsed |