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US3842167A Expired / Lapsed US ⏱️ 0.0 years remaining

Toothpaste

Assignee: CPPD Inc A CORP OF
•
Filing: 1972-10-20
•
Granted: 1974-10-15
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Expires: 1992-10-20
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Abstract

Abstract 1. A VISUALLY CLEAR DENTIFFRICE CONSISTING ESSENTIALLY OF (A) ABOUT 5% TO ABOUT 30% BY WEIGHT OF A SOLID PHASE COMPRISING A PARTICULATE ABRASIVE MATERIAL HAVING A REFRACTIVE INDEX OF ABOUT 1.44 TO 1.48 AND AN AVERAGE PARTICLE SIZE OF 1 TO 65 MICRONS; AND (B) A LIQUID PHASE OF SUBSTANTIALLY THE SAME REFRACTIVE INDEX AS THE SOLID PHASE AND COMPRISING (I) AT LEAST ABOUT 25% BY WEIGHT OF THE LIQUID PHASE OF A LIQUID HUMECTANT MATERIAL SELECTED FROM THE GROUP CONSISTING OF GLYCERINE AND SORBITOL SYRUP SYRUP; AND (II) AN AQUEOUS OF MALTODEXTRINS CON TAINING ABOUT 50% TO ABOUT 70% BY WEIGHT OF MALTODEXTRINS, THE AMOUNT OF MALTODEXTRINS BEING AT LEAST ABOUT 105 BY WEIGHT OF THE LIQUID PHASE OF THE DENTIFRICE.

Inventors

  • 👤 M Block
  • 👤 C Watson

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-09 14:03
CPC Classifications
A; A61; A61K; A61K8/00; A61K8/18; A61K8/19; A61K8/25; A61K8/30; A61K8/33; A61K8/34; A61K8/345; A61K8/72; A61K8/73; A61K8/731; A61K8/732; A61Q; A61Q11/00; A61K2800/00; A61K2800/20; A61K2800/26; A61K2800/262; A61K2800/40; A61K2800/54; A61K2800/542; A61K2800/5424

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 122 words
A VISUALLY CLEAR DENTIFFRICE CONSISTING ESSENTIALLY OF (A) ABOUT 5% TO ABOUT 30% BY WEIGHT OF A SOLID PHASE COMPRISING A PARTICULATE ABRASIVE MATERIAL HAVING A REFRACTIVE INDEX OF ABOUT 1.44 TO 1.48 AND AN AVERAGE PARTICLE SIZE OF 1 TO 65 MICRONS; AND (B) A LIQUID PHASE OF SUBSTANTIALLY THE SAME REFRACTIVE INDEX AS THE SOLID PHASE AND COMPRISING (I) AT LEAST ABOUT 25% BY WEIGHT OF THE LIQUID PHASE OF A LIQUID HUMECTANT MATERIAL SELECTED FROM THE GROUP CONSISTING OF GLYCERINE AND SORBITOL SYRUP SYRUP; AND (II) AN AQUEOUS OF MALTODEXTRINS CON TAINING ABOUT 50% TO ABOUT 70% BY WEIGHT OF MALTODEXTRINS, THE AMOUNT OF MALTODEXTRINS BEING AT LEAST ABOUT 105 BY WEIGHT OF THE LIQUID PHASE OF THE DENTIFRICE.
Claim 2
Dependent Claim 122 words
A VISUALLY CLEAR DENTIFFRICE CONSISTING ESSENTIALLY OF (A) ABOUT 5% TO ABOUT 30% BY WEIGHT OF A SOLID PHASE COMPRISING A PARTICULATE ABRASIVE MATERIAL HAVING A REFRACTIVE INDEX OF ABOUT 1.44 TO 1.48 AND AN AVERAGE PARTICLE SIZE OF 1 TO 65 MICRONS; AND (B) A LIQUID PHASE OF SUBSTANTIALLY THE SAME REFRACTIVE INDEX AS THE SOLID PHASE AND COMPRISING (I) AT LEAST ABOUT 25% BY WEIGHT OF THE LIQUID PHASE OF A LIQUID HUMECTANT MATERIAL SELECTED FROM THE GROUP CONSISTING OF GLYCERINE AND SORBITOL SYRUP SYRUP; AND (II) AN AQUEOUS OF MALTODEXTRINS CON TAINING ABOUT 50% TO ABOUT 70% BY WEIGHT OF MALTODEXTRINS, THE AMOUNT OF MALTODEXTRINS BEING AT LEAST ABOUT 105 BY WEIGHT OF THE LIQUID PHASE OF THE DENTIFRICE.

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) 1977-10-14 1978-04-15 1978-10-15 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1981-10-14 1982-04-15 1982-10-15 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1985-10-14 1986-04-15 1986-10-15 $7700.00 Window Closed / Lapsed

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