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US3929987A Expired / Lapsed US ⏱️ 0.0 years remaining

Toothpaste

Assignee: Colgate Palmolive Co
•
Filing: 1974-02-21
•
Granted: 1975-12-30
•
Expires: 1994-02-21
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Abstract

Abstract Toothpaste formulations containing macroscopically visible particles are disclosed. The toothpaste formulations include a transparent, translucent or opaque toothpaste base having dispersed therein macroscopically visible particles including a functional component effective in performing oral hygiene and a binding agent.

Inventors

  • 👤 Daniel Colodney
  • 👤 Martin Cordon

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-25 04:54
CPC Classifications
A; A61; A61K; A61K8/00; A61K8/18; A61K8/72; A61K8/81; A61K8/8105; A61K8/8117; A61K8/02; A61K8/0241; A61K8/19; A61K8/20; A61K8/21; A61K8/30; A61K8/40; A61K8/43; A61K8/8111; A61K8/84; A61K8/88; A61Q; A61Q11/00; A61K2800/00; A61K2800/20; A61K2800/26; A61K2800/262

Claims Analysis

Total Claims: 8
Claim 1
Independent Claim 128 words
A MACROSCOPICALLY VISIBLE PARTICLE HAVING A MEAN PARTICLE SIZE FROM ABOUT 177 TO ABOUT 840 MICRONS COMPRISING A FUNCTIONAL INGREDIENT FOR PROMOTING HYGIENE IN THE ORAL CAVITY AND AN EFFECTIVE AMOUNT OF A BINDING AGENT, SAID FUNCTIONAL INGREDIENT COMPRISING FROM 1 TO 99 PERCENT BY WEIGHT OF SAID PARTICLES AND BEING IN THE FORM OF SUBPARTICLES HAVING A SIZE FROM ABOUT 1 TO ABOUT 20 MICRONS, SAID FUNCTIONAL INGREDIENT BEING CHOSEN FROM THE GROUP OF ANTICARIES AGENTS CONSISTING OF WATER SOLUBLE ANTICARIES FLUORIDE SALTS AND ANTICARIES ANTIMICROBIAL MATERIALS, SAID BINDING AGENT BEING CHOSEN FROM THE GROUP OF POLYETHYLYLENES HAVING A MOLECULAR WEGHT FROM ABOUT 1,000 TO ABOUT 5,000 AND A HARDNESS MEASURED AS TENTHS OF A MILLIMETER NEEDLE PENETRATION (ASTM D 1321) OF ABOUT 1 TO ABOUT 15.
Claim 2
Dependent Claim 128 words
A MACROSCOPICALLY VISIBLE PARTICLE HAVING A MEAN PARTICLE SIZE FROM ABOUT 177 TO ABOUT 840 MICRONS COMPRISING A FUNCTIONAL INGREDIENT FOR PROMOTING HYGIENE IN THE ORAL CAVITY AND AN EFFECTIVE AMOUNT OF A BINDING AGENT, SAID FUNCTIONAL INGREDIENT COMPRISING FROM 1 TO 99 PERCENT BY WEIGHT OF SAID PARTICLES AND BEING IN THE FORM OF SUBPARTICLES HAVING A SIZE FROM ABOUT 1 TO ABOUT 20 MICRONS, SAID FUNCTIONAL INGREDIENT BEING CHOSEN FROM THE GROUP OF ANTICARIES AGENTS CONSISTING OF WATER SOLUBLE ANTICARIES FLUORIDE SALTS AND ANTICARIES ANTIMICROBIAL MATERIALS, SAID BINDING AGENT BEING CHOSEN FROM THE GROUP OF POLYETHYLYLENES HAVING A MOLECULAR WEGHT FROM ABOUT 1,000 TO ABOUT 5,000 AND A HARDNESS MEASURED AS TENTHS OF A MILLIMETER NEEDLE PENETRATION (ASTM D 1321) OF ABOUT 1 TO ABOUT 15.
Claim 3
Dependent Claim 74 words
A macroscopically visible particle having a mean particle diameter from about 177 microns to about 840 microns comprising from about 10 to about 30 percent by weight of a water soluble anticaries fluoride salt and a binding agent, said binding agent being a polyethylene having a molecular weight from about 1,000 to about 5,000 and a hardness measured as tenths of a millimeter needle penetration (ASTM D 1321) of about 1 to about 15.
Claim 4
Dependent Claim 74 words
A macroscopically visible particle having a mean particle diameter from about 177 microns to about 840 microns comprising from about 10 to about 30 percent by weight of a water soluble anticaries fluoride salt and a binding agent, said binding agent being a polyethylene having a molecular weight from about 1,000 to about 5,000 and a hardness measured as tenths of a millimeter needle penetration (ASTM D 1321) of about 1 to about 15.
Claim 5
Dependent Claim 12 words
A macroscopically visible particle according to claim 1 having an irregular shape.
Claim 6
Dependent Claim 15 words
A macroscopically visible particle according to claim 1 wherein said particles include a coloring agent.
Claim 7
Dependent Claim 15 words
A macroscopically visible particle according to claim 4 wherein said coloring agent is titanium dioxide.
Claim 8
Dependent Claim 16 words
A macroscopically visible particle according to claim 4 wherein said coloring agent is a metallic lake.

References Cited (Backward Citations)

US2984570A Cited
US3516941A Cited
US3574823A Cited
US3585149A Cited
US3767791A Cited
US3803301A Cited
US3711604A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1978-12-29 1979-06-30 1979-12-30 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1982-12-29 1983-06-30 1983-12-30 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1986-12-29 1987-06-30 1987-12-30 $7700.00 Window Closed / Lapsed

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