Dental preparation, article and method for storage and delivery therof
Abstract
Abstract A composition useful in combatting gum disease including: (a) a gel component including (i) about 0.1-10% by weight of hydrogen peroxide; (ii) about 0.05-5.0% by weight of a water-dispersible copolymer of acrylic acid cross-linked with polyallyl sucrose; (iii) about zero to about 2.0% by weight of a nonionic cellulose stabilizer; (iv) a neutralizing agent selected from the group consisting of sodium hydroxide, potassium hydroxide, triethanolamine, diisopropylamine and ammonia in an amount sufficient to raise the gel pH to about 3-6.0; and (v) purified water; (b) a paste component including (i) about 2-60% sodium bicarbonate; (ii) about 1-6% of a salt selected from the group consisting of NaCl, MgCl 2 , MgSO 4 , Na 2 SO 4 , and K 2 SO 4 ; (iii) about 2-60% of a humectant selected from the group consisting of glycerin, sorbitol, polyethylene glycol, propylene glycol, polypropylene glycol, an ethoxylated lower fatty alcohol, a propoxylated lower fatty alcohol and mixtures thereof; (iv) about 0.1-5% of a thickener stabilizer selected from the group consisting of cellulose gum, magnesium aluminum silicate and mixtures thereof; (v) about 1-30% of a stabilizing polishing agent selected from the group consisting of bentonite, titanium dioxide, silica, magnesium, oxide and mixtures thereof; and (vi) purified water; the paste component and gel component being combined immediately prior to use.
Inventors
- 👤 Hans A. Schaeffer
Bibliographic Details
Claims Analysis
Total Claims: 4References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1992-07-17 | 1993-01-16 | 1993-07-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1996-07-17 | 1997-01-16 | 1997-07-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2000-07-17 | 2001-01-16 | 2001-07-18 | $7700.00 | Window Closed / Lapsed |