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US3137632A Expired / Lapsed US ⏱️ 0.0 years remaining

Chlorophyll dentifrice compositions

Assignee: Colgate Palmolive Co
•
Filing: 1952-02-19
•
Granted: 1964-06-16
•
Expires: 1972-02-19
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Abstract

No abstract record available.

Inventors

  • 👤 Schiraldi Robert Joseph

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-24 15:06
CPC Classifications
A; A61; A61Q; A61Q11/00; A61K; A61K8/00; A61K8/18; A61K8/19; A61K8/24; A61K8/30; A61K8/40; A61K8/44; A61K8/49; A61K8/494; A61K8/72; A61K8/73; A61K8/733; A61K2800/00; A61K2800/40; A61K2800/58

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 48 words
A DENTIFRICE COMPOSITION COMPRISING AT LEAST ONE WATER INSOLUBLE CALCIUM COMPOUND, A WATER SOLUBLE CHLOROPHYLL COMPOUND, AND A WATER SOLUBLE MATERIAL SELECTED FROM THE GROUP CONSISTING OF ALKALI METAL SALTS OF ORTHOPHOSPHORIC ACID, PYROPHOSPHORIC ACID, TRIPOLYPHOSPHORIC ACID, CITRIC ACID, SILICIC ACID, GLUCONIC ACID, AND THEYLENE DIAMINE TETRAACETIC ACID.
Claim 2
Dependent Claim 48 words
A DENTIFRICE COMPOSITION COMPRISING AT LEAST ONE WATER INSOLUBLE CALCIUM COMPOUND, A WATER SOLUBLE CHLOROPHYLL COMPOUND, AND A WATER SOLUBLE MATERIAL SELECTED FROM THE GROUP CONSISTING OF ALKALI METAL SALTS OF ORTHOPHOSPHORIC ACID, PYROPHOSPHORIC ACID, TRIPOLYPHOSPHORIC ACID, CITRIC ACID, SILICIC ACID, GLUCONIC ACID, AND THEYLENE DIAMINE TETRAACETIC ACID.

References Cited (Backward Citations)

DE665707C Cited
GB444276A Cited
GB490384A Cited
US2191199A Cited
GB522646A Cited
US2216816A Cited
GB601801A Cited
US2519665A Cited
US2647073A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1967-06-16 1967-12-16 1968-06-16 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1971-06-16 1971-12-16 1972-06-16 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1975-06-16 1975-12-16 1976-06-16 $7700.00 Window Closed / Lapsed

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