US5041280A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Toothpaste composition for stain removal
Assignee: ROBELL RESEARCH Inc
•
Filing: 1987-10-01
•
Granted: 1991-08-20
•
Expires: 2007-10-01
Abstract
Abstract A toothpaste composition having the following ingredients, by weight: -Dicalcium Phosphate dihydrate: From 1.0% to 50% -Calcium Carbonate From 1.0% to 50% -Sodium Bicarbonate From 1.0% to 50% -Magnesium Carbonate From 1.0% to 25% -Sorbitol 70% From 1.0% to 50% -Corn Starch From 0.5% to 10% -Cellulose Gum From 0.5% to 5.0% -Calcium Peroxide From 0.5% to 5% -Lathanol LAL (Sodium Lauryl From 0.1% to 5% -Sulfoacetate) -Aluminum Hydroxide From 0.01 to 1% -Saccharinate (Sodium Salt) From 0.05% to 2% -Flavoring material From 0.05% to 2% -Alkylparaben From 0.05% to 1.0% -Sodium monofluorophosphate From 0.70% to 0.80% -Titanium Dioxide From 0.1% to 10% -Deionized Water From 10% to 50% -
Inventors
- 👤 Irwin E. Smigel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 14:54
CPC Classifications
A; A61; A61Q; A61Q11/00; A61K; A61K8/00; A61K8/18; A61K8/19; A61K8/22; A61K8/24; A61K8/29
Claims Analysis
Total Claims: 13
Claim 1
Independent Claim
226 words
A toothpaste composition consisting essentially of in percentage by weight; 1.0 to 50% of dicalcium phosphate combined with a carbonate or bicarbonate of a metal selected from the group consisting of zinc, aluminum, magnesium, calcium, sodium, potassium, and lithium; 1.0 to 50% of humectant selected from the group consisting of sorbitol, glycerine, propylene glycol, polyethylene glycol, polypropylene glycol and mixtures thereof; 1-15% of a thickening agent; 0.5-5% of an oxidizing agent having the formula [X].sub.n [Y ].sub.m wherein X s selected from the group consisting of sodium, potassium, calcium, magnesium, zinc, aluminum, and lithium, Y is selected from the group consisting of percarbonate, persulfate, perphosphate, and peroxide, n is an integer of 1,2 or 3 and m is an integer of 1,2, or 3: 0.1 to 5% of a detergent of the formula R--[A].sub.q --Z.sup.- B.sup.+ wherein R is a hydrocarbon radical containing 6-18 carbon atoms; A is selected from a group consisting of ethylene oxide, propylene oxide, and combinations thereof; q is an integer from 0 to 100; Z is selected from the group consisting of sulfate, sulfonate and hydrogen; and B is selected from the group consisting of sodium, potassium and triethanolamine but only when Z is a sulfate or sulfonate; a pH control agent to confer a pH to the composition between 3 and 10; and water to make 100% for the composition.
Claim 2
Dependent Claim
226 words
A toothpaste composition consisting essentially of in percentage by weight; 1.0 to 50% of dicalcium phosphate combined with a carbonate or bicarbonate of a metal selected from the group consisting of zinc, aluminum, magnesium, calcium, sodium, potassium, and lithium; 1.0 to 50% of humectant selected from the group consisting of sorbitol, glycerine, propylene glycol, polyethylene glycol, polypropylene glycol and mixtures thereof; 1-15% of a thickening agent; 0.5-5% of an oxidizing agent having the formula [X].sub.n [Y ].sub.m wherein X s selected from the group consisting of sodium, potassium, calcium, magnesium, zinc, aluminum, and lithium, Y is selected from the group consisting of percarbonate, persulfate, perphosphate, and peroxide, n is an integer of 1,2 or 3 and m is an integer of 1,2, or 3: 0.1 to 5% of a detergent of the formula R--[A].sub.q --Z.sup.- B.sup.+ wherein R is a hydrocarbon radical containing 6-18 carbon atoms; A is selected from a group consisting of ethylene oxide, propylene oxide, and combinations thereof; q is an integer from 0 to 100; Z is selected from the group consisting of sulfate, sulfonate and hydrogen; and B is selected from the group consisting of sodium, potassium and triethanolamine but only when Z is a sulfate or sulfonate; a pH control agent to confer a pH to the composition between 3 and 10; and water to make 100% for the composition.
Claim 3
Dependent Claim
9 words
The composition of claim 1 further comprising a preservative.
Claim 4
Dependent Claim
16 words
The composition of claim 2 wherein the preservative alkyl paraben contained in an amount of 0.05-1.0%.
Claim 5
Dependent Claim
23 words
The composition of claim 1 wherein the humectant is a copolymer of polypropylene glycol and polyethylene glycol having a molecular weight of 200-1000.
Claim 6
Dependent Claim
30 words
The composition of claim 1 wherein said dicalcium phosphate is combined with a carbonate or bicarbonate of a metal selected from the group consisting of calcium, magnesium and combinations thereof.
Claim 7
Dependent Claim
29 words
The composition of claim 1 wherein said oxidizing agent is selected from the group consisting of calcium peroxide, zinc peroxide, sodium peroxide, sodium persulfate, sodium percarbonate and sodium perphosphate.
Claim 8
Dependent Claim
22 words
The composition of claim 1 wherein said detergent is selected from the group consisting of sodium lauryl sulfate and sodium lauryl sulfoacetate.
Claim 9
Dependent Claim
9 words
The composition of claim 1 further comprising taste ingredients.
Claim 10
Dependent Claim
27 words
The composition of claim 8 wherein said to ingredients comprises a sweetening agent in the amount of 0.05-2% and a flavoring agent in the amount of 0.05-2%.
Claim 11
Dependent Claim
21 words
The composition of claim 1 wherein said pH control agent is aluminum hydroxide and the pH is between 7 and 10.
Claim 12
Dependent Claim
13 words
The composition of claim 1 wherein said thickening agent is a polysaccharide gum.
Claim 13
Dependent Claim
12 words
The composition of claim 11 wherein said polysaccharide gum is cellulose gum.
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) | 1994-08-19 | 1995-02-18 | 1995-08-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1998-08-19 | 1999-02-18 | 1999-08-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2002-08-19 | 2003-02-18 | 2003-08-20 | $7700.00 | Window Closed / Lapsed |