Patent US5611754A successfully refreshed from Google Patents.
Patent US3236730A successfully refreshed from Google Patents.
US3236730A
Expired / Lapsed
US
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Blepharitis composition comprising antiseptic, quaternary ammonium compound, keratolytic agent and a chelating compound
Assignee: Bayer Corp
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Filing: 1962-01-04
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Granted: 1966-02-22
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Expires: 1982-01-04
Abstract
No abstract record available.
Inventors
- 👤 Miles A Galin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 12:20
CPC Classifications
A; A61; A61K; A61K33/00; A61K33/24; A61K33/28
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
44 words
A COMPOSITION FOR THE TREATMENT OF BLEPHARITIS WHICH COMPRISES ABOUT FROM 0.5% TO 2% OF MERCURIC OXIDE, ABOUT FROM 0.05% TO 0.5% OF METHYL BENZETHONIUM CHLORIDE, ABOUT FROM 0.5% TO 2% OF SALICYLIC ACID AND ABOUT FROM 0.05% TO 0.5% OF TETRASODIUM ETHYLENEDIAMINE TETRAACETATE.
Claim 2
Dependent Claim
44 words
A COMPOSITION FOR THE TREATMENT OF BLEPHARITIS WHICH COMPRISES ABOUT FROM 0.5% TO 2% OF MERCURIC OXIDE, ABOUT FROM 0.05% TO 0.5% OF METHYL BENZETHONIUM CHLORIDE, ABOUT FROM 0.5% TO 2% OF SALICYLIC ACID AND ABOUT FROM 0.05% TO 0.5% OF TETRASODIUM ETHYLENEDIAMINE TETRAACETATE.
References Cited (Backward Citations)
US2785154A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-02-21 | 1969-08-23 | 1970-02-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-02-21 | 1973-08-23 | 1974-02-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-02-21 | 1977-08-23 | 1978-02-22 | $7700.00 | Window Closed / Lapsed |