US3886266A
Expired / Lapsed
US
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Dental treatment
Assignee: National Patent Development Corp
•
Filing: 1972-11-20
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Granted: 1975-05-27
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Expires: 1992-11-20
Abstract
Abstract N-monochloroglycine at a pH of 9 to 11.5 is effective both in solution and as a paste to dissolve dental plaque and dental caries, without adversely affecting hard healthy dental structures.
Inventors
- 👤 Melvin Goldman
- 👤 Joseph H Kronman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 06:26
CPC Classifications
A; A61; A61Q; A61Q11/00; A61K; A61K8/00; A61K8/18; A61K8/30; A61K8/40; A61K8/44
Claims Analysis
Total Claims: 36
Claim 1
Independent Claim
34 words
THE METHOD OF TREATING TEETH FOR THE PROVENTION OF CALCULUS COMPRISING CONTACTING THE TEETH WITH SUFFICIENT OF AN AQUEOUS COMPOSITION CONTAINING N-MONOCHLOROGLYCINE AT A PH OF ABOUT 9 TO 11.5 TO ACCOMPLISH SAID PURPOSE.
Claim 2
Independent Claim
34 words
THE METHOD OF TREATING TEETH FOR THE PROVENTION OF CALCULUS COMPRISING CONTACTING THE TEETH WITH SUFFICIENT OF AN AQUEOUS COMPOSITION CONTAINING N-MONOCHLOROGLYCINE AT A PH OF ABOUT 9 TO 11.5 TO ACCOMPLISH SAID PURPOSE.
Claim 3
Dependent Claim
13 words
The method of claim 1 wherein the pH is about 11.1 to 11.4.
Claim 4
Dependent Claim
14 words
The method of claim 1 wherein the pH is between about 9 and 11.
Claim 5
Dependent Claim
20 words
The meThod according to claim 3 wherein the aqueous composition has a molar concentration of N-monochloroglycine of 0.034 to 0.17.
Claim 6
Dependent Claim
22 words
The method of claim 1 wherein there is present free glycine in an amount up to 14 moles per mole of N-monochloroglycine.
Claim 7
Dependent Claim
19 words
The method of claim 4 wherein the aqueous composition has a molar concentration of N-monochloroglycine of 0.0013 to 0.7.
Claim 8
Dependent Claim
12 words
The method of claim 5 wherein the pH is 11.1 to 11.4.
Claim 9
Dependent Claim
19 words
The method of claim 7 wherein the aqueous composition has a molar concentration of N-monochloroglycine of 0.0066 to 0.0264.
Claim 10
Dependent Claim
54 words
The method of claim 1 wherein there is included the step of forming the N-monochloroglycine in situ from (1) hypochlorite selected from the group consisting of sodium hypochlorite, potassium hypochlorite, and calcium hypochlorite, and (2) glycine, prior to treating the teeth and then treating the teeth substantially as soon as the N-monochloroglycine is formed.
Claim 11
Dependent Claim
17 words
The method according to claim 9 wherein the aqueous composition is applied as a pulsating jet stream.
Claim 12
Dependent Claim
11 words
The method according to claim 9 wherein hypochlorite is sodium hypochlorite.
Claim 13
Dependent Claim
39 words
The method according to claim 11 wherein the amount of sodium hypochlorite is from 0.1 to 1.5% by weight of the solution, and the amount of glycine is from 1.35 moles to 7.3 moles per mole of sodium hypochlorite.
Claim 14
Independent Claim
37 words
The method of treating decayed teeth to remove caries comprising directing a stream of an alkaline aqueous solution of N-monochloroglycine against the carious area and continuing said stream against said area until the caries has been removed.
Claim 15
Independent Claim
37 words
The method of treating decayed teeth to remove caries comprising directing a stream of an alkaline aqueous solution of N-monochloroglycine against the carious area and continuing said stream against said area until the caries has been removed.
Claim 16
Dependent Claim
13 words
The method according to claim 13 wherein said stream is a pulsating jet.
Claim 17
Dependent Claim
20 words
The method of claim 13 wherein the N-chloroglycine solution contains up to 14 moles of glycine per mole of N-monochloroglycine.
Claim 18
Dependent Claim
16 words
The method of claim 15 wherein the solution has a pH between about 9 and 11.5.
Claim 19
Independent Claim
25 words
The method of treating teeth to dissolve plaque thereon comprising contacting the teeth with an aqueous alkaline solution of N-monochloroglycine until the plaque is dissolved.
Claim 20
Independent Claim
25 words
The method of treating teeth to dissolve plaque thereon comprising contacting the teeth with an aqueous alkaline solution of N-monochloroglycine until the plaque is dissolved.
Claim 21
Dependent Claim
16 words
The method of claim 17 wherein the solution has a pH between about 9 and 11.5.
Claim 22
Dependent Claim
20 words
The method of claim 18 wherein the N-chloroglycine solution contains up to 14 moles of glycine per mole of N-monochloroglycine.
Claim 23
Dependent Claim
24 words
The method of claim 19 wherein the solution consists essentially of water containing glycine and N-chloroglycine in the molar ratio of 6 to 1.
Claim 24
Independent Claim
36 words
The method of treating teeth for the purpose of removal of caries comprising contacting the teeth with sufficient of an aqueous composition containing N-monochloroglycine at a pH of about 9 to 11.5 to accomplish said purpose.
Claim 25
Independent Claim
36 words
The method of treating teeth for the purpose of removal of caries comprising contacting the teeth with sufficient of an aqueous composition containing N-monochloroglycine at a pH of about 9 to 11.5 to accomplish said purpose.
Claim 26
Dependent Claim
13 words
The method of claim 21 wherein the Ph is about 11.1 to 11.4.
Claim 27
Dependent Claim
14 words
The method of claim 21 wherein the pH is between about 9 and 11.
Claim 28
Dependent Claim
20 words
The method according to claim 23 wherein the aqueous composition has a molar concentration of N-monochloroglycine of 0.034 to 0.17.
Claim 29
Dependent Claim
22 words
The method of claim 21 wherein there is present free glycine in an amount up to 14 moles per mole of N-monochloroglycine.
Claim 30
Dependent Claim
19 words
The method of claim 25 wherein the aqueous composition has a molar concentration of N-monochloroglycine of 0.0013 to 0.7.
Claim 31
Dependent Claim
12 words
The method of claim 25 wherein the pH is 11.1 to 11.4.
Claim 32
Dependent Claim
19 words
The method of claim 27 wherein the aqueous composition has a molar concentration of N-monochloroglycine of 0.0066 to 0.0264.
Claim 33
Dependent Claim
55 words
The method of claim 21 wherein there is included the step of forming the N-monochloroglycine in situ from (1) a hypochlorite selected from the group consisting of sodium hypochlorite, potassium hypochlorite, and calcium hypochlorite, and (2) glycine, prior to treating the teeth and then treating the teeth substantially as soon as the N-monochloroglyCine is formed.
Claim 34
Dependent Claim
17 words
The method according to claim 29 wherein the aqueous composition is applied as a pulsating jet stream.
Claim 35
Dependent Claim
11 words
The method according to claim 29 wherein hypochlorite is sodium hypochlorite.
Claim 36
Dependent Claim
39 words
The method according to claim 31 wherein the amount of sodium hypochlorite is from 0.1 to 1.5% by weight of the solution, and the amount of glycine is from 1.35 moles to 7.3 moles per mole of sodium hypochlorite.
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) | 1978-05-26 | 1978-11-25 | 1979-05-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-05-26 | 1982-11-25 | 1983-05-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-05-26 | 1986-11-25 | 1987-05-27 | $7700.00 | Window Closed / Lapsed |