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US3917476A
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Diethyl alpha phosphonate as an (antimicrobial agent) algaecide
Assignee: Gates Rubber Co
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Filing: 1973-03-12
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Granted: 1975-11-04
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Expires: 1993-03-12
Abstract
Abstract Diethyl alpha allyl phosphonate can be used to inhibit and/or prevent growth of undesirable algae, bacteria, fungi, yeast, and other microorganisms. This invention is particularly concerned with the bacteriostatic and bactericidal properties of diethyl alpha allyl phosphonate compounds against species of Proteus, Salmonella, Shigella, Staphylococcus and Xanthomonas.
Inventors
- 👤 Al F Kerst
- 👤 Jr John D Douros
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 13:22
CPC Classifications
A; A01; A01N; A01N57/00; A01N57/18; A01N57/20
Claims Analysis
Total Claims: 12
Claim 1
Independent Claim
33 words
A METHOD OF KILLING AND INHIBITING THE GROWTH OF ALGAE WHICH COMPRISEES CONTACTING SAID ALGAE WITH DIETHYL ALPHA ALLYL PHOSPHONATE IN AN AMOUNT EFFECTIVE TO KILL AND INHIBIT THE GROWTH OF SAID ALGAE.
Claim 2
Independent Claim
33 words
A METHOD OF KILLING AND INHIBITING THE GROWTH OF ALGAE WHICH COMPRISEES CONTACTING SAID ALGAE WITH DIETHYL ALPHA ALLYL PHOSPHONATE IN AN AMOUNT EFFECTIVE TO KILL AND INHIBIT THE GROWTH OF SAID ALGAE.
Claim 3
Dependent Claim
43 words
A method of claim 1 wherein the algae are contacted with growth inhibiting amounts of diethyl alpha allyl phosphonate together with acceptable carriers in an amount effective to kill and inhibit the growth of said algae on a plant infected with said algae.
Claim 4
Dependent Claim
11 words
The method of claim 1 wherein the algae is Chlorella vulgaris.
Claim 5
Dependent Claim
11 words
The method of claim 1 wherein the algae is Plectonema notatum.
Claim 6
Dependent Claim
11 words
The method of claim 1 wherein the algae is Ankistrodesmus acicularis.
Claim 7
Dependent Claim
11 words
The method of claim 1 wherein the algae is Anabaena catenula.
Claim 8
Dependent Claim
11 words
The method of claim 1 wherein the algae is Synura UI.
Claim 9
Dependent Claim
11 words
The method of claim 1 wherein the algae is Oscillatoria corneti.
Claim 10
Dependent Claim
11 words
The method of claim 1 wherein the algae is Coccochloris elebans.
Claim 11
Dependent Claim
11 words
The method of claim 1 wherein the algae is Scenedesmus basilensis.
Claim 12
Dependent Claim
11 words
The method of claim 1 wherein the algae is Scenedesmus obliquus.
References Cited (Backward Citations)
US3764676A
Cited
US3764677A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1978-11-03 | 1979-05-05 | 1979-11-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-11-03 | 1983-05-05 | 1983-11-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-11-03 | 1987-05-05 | 1987-11-04 | $7700.00 | Window Closed / Lapsed |