Patent US3873956A successfully refreshed from Google Patents.
US3557783A
Expired / Lapsed
US
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Method of killing microprobes with microbicidal compounds and ultraviolet light
Assignee: Individual
•
Filing: 1967-04-12
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Granted: 1971-01-26
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Expires: 1987-04-12
Abstract
Abstract Microbicidal effects are provided by stimulating the activity of certain compositions by exposing them to light energy in the visible or ultraviolet range of the electromagnetic spectrum.
Inventors
- 👤 Charles S Castner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 20:29
CPC Classifications
A; A61; A61L; A61L2/00; A61L2/02; A61L2/08; A61L2/10; A61L2/16
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
45 words
The method as claimed in claim 1 wherein the microbicidal compound is a member from the group consisting of acridine orange, azo-bis-iso-butyronitrile, benzil, benzoin, benzoyl peroxide, diacetyl, 4,5-dibromo fluorescein Na, ethyl red, flazo orange, fluorescein amine, fluorescein isothiocyanate, lauroyl peroxide, methylene blue, and rose bengal.
Claim 2
Dependent Claim
14 words
The method as claimed in claim 1 wherein the microbicidal compound includes a biostrain.
Claim 3
Dependent Claim
15 words
The method as claimed in claim 1 wherein the microbicidal compound is a photopolymerization agent.
Claim 4
Dependent Claim
26 words
The method as claimed in claim 1 wherein the light in the ultraviolet range of the electromagnetic spectrum is surrounded by a curtain of visible light.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-01-25 | 1974-07-27 | 1975-01-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-01-25 | 1978-07-27 | 1979-01-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-01-25 | 1982-07-27 | 1983-01-26 | $7700.00 | Window Closed / Lapsed |