Patent US2634228A successfully refreshed from Google Patents.
US2634228A
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Dental cream containing benzalkonium halide and sulfa drug
Assignee: Individual
•
Filing: 1949-07-28
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Granted: 1953-04-07
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Expires: 1969-07-28
Abstract
No abstract record available.
Inventors
- 👤 Charles F Morgan
- 👤 Smith Edward Reed
- 👤 Catherine M Kelly
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 11:07
CPC Classifications
A; A61; A61K; A61K47/00; A61K47/06; A61K47/28; A61K31/00; A61K31/63; A61K6/00; A61K6/50; A61K6/52; A61K6/54; A61K6/60; A61K6/69; A61K9/00; A61K9/0012; A61K9/0014
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
90 words
A NON-TOXIC NON-IRRITATING THERAPEUTIC CREAM FOR THE TREATMENT OF EXPOSED DENTAL PULP COMPRISING FROM ABOUT .5% TO ABOUT 75% OF A SULFA DRUG, FROM ABOUT .015% TO ABOUT .025% OF BENZALKONIUM HALIDE HAVING LOW TISSUE TOXICITY AND A PHENOL COEFFICIENT IN EXCESS OF UNITY, SAID COMPOUND BEING CAPABLE OF SYNERGISTIC ACTION WITH THE SULFA DRUG, AND A BLADE UNGUENT CARRIER OF THE WATER-IN-OIL TYPE FOR BINDING THE SULFA DRUG AND THE AMMONIUM COMPOUND TOGETHER, AND CAUSING CONTINUING GERMICIDAL AND BACTERIOSTATIC ACTION ON THE PULP TO WHICH THE CREAM IS APPLIED.
Claim 2
Dependent Claim
90 words
A NON-TOXIC NON-IRRITATING THERAPEUTIC CREAM FOR THE TREATMENT OF EXPOSED DENTAL PULP COMPRISING FROM ABOUT .5% TO ABOUT 75% OF A SULFA DRUG, FROM ABOUT .015% TO ABOUT .025% OF BENZALKONIUM HALIDE HAVING LOW TISSUE TOXICITY AND A PHENOL COEFFICIENT IN EXCESS OF UNITY, SAID COMPOUND BEING CAPABLE OF SYNERGISTIC ACTION WITH THE SULFA DRUG, AND A BLADE UNGUENT CARRIER OF THE WATER-IN-OIL TYPE FOR BINDING THE SULFA DRUG AND THE AMMONIUM COMPOUND TOGETHER, AND CAUSING CONTINUING GERMICIDAL AND BACTERIOSTATIC ACTION ON THE PULP TO WHICH THE CREAM IS APPLIED.
References Cited (Backward Citations)
US2429404A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-04-06 | 1956-10-06 | 1957-04-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-04-06 | 1960-10-06 | 1961-04-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-04-06 | 1964-10-06 | 1965-04-07 | $7700.00 | Window Closed / Lapsed |