US5040487A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for controlling Zebra Mussel (Dreissena polymorpha)
Assignee: Bollyky Associates Inc
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Filing: 1990-05-03
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Granted: 1991-08-20
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Expires: 2010-05-03
Abstract
Abstract The present invention relates to a method of control of the Zebra Mussel from infestation of: (a) waterworks by applying an effective amount of ozone to a fresh (raw) water system of the waterworks, (b) cooling system of power plants and industrial plants by applying an effective amount of ozone to the intake water of the system, and (c) industrial process water systems by supplying an effective amount of ozone to the intake water of the system.
Inventors
- 👤 L. Joseph Bollyky
- 👤 Wilfred L. LePage
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 10:03
CPC Classifications
A; A01; A01K; A01K61/00; A01K61/50; A01K61/54; Y; Y02; Y02A; Y02A40/00; Y02A40/80; Y02A40/81
Claims Analysis
Total Claims: 9
Claim 1
Independent Claim
41 words
A method for controlling the infestation of the Zebra Mussel in a fresh water system which comprises adding thereto an effective amount less than or equal to 0.3 mg/l of ozone to control the infestation of said system by said mussel.
Claim 2
Independent Claim
41 words
A method for controlling the infestation of the Zebra Mussel in a fresh water system which comprises adding thereto an effective amount less than or equal to 0.3 mg/l of ozone to control the infestation of said system by said mussel.
Claim 3
Dependent Claim
19 words
The method according to claim 1 in which the water system is a fresh water, drinking water treatment system.
Claim 4
Dependent Claim
26 words
The method according to claim 1 in which the water system is a cooling water system to power generating plants, chemical plants or other industrial plants.
Claim 5
Independent Claim
52 words
A method for preventing adherence of the Zebra Mussel to fresh water intake pipes and other articles in the water which comprises adding to the water an effective amount less than or equal to 0.3 mg/l of ozone to prevent adherence of said mussel to said pipes and articles in the water.
Claim 6
Independent Claim
52 words
A method for preventing adherence of the Zebra Mussel to fresh water intake pipes and other articles in the water which comprises adding to the water an effective amount less than or equal to 0.3 mg/l of ozone to prevent adherence of said mussel to said pipes and articles in the water.
Claim 7
Dependent Claim
17 words
The method according to claim 4 in which the ozone gas is added directly to the water.
Claim 8
Dependent Claim
34 words
The method according to claim 4 in which the application of the ozone is by side stream ozonation wherein a high concentration of ozone dissolved in water mixed into the water to be treated.
Claim 9
Dependent Claim
17 words
The method according to claim 1 in which the dissolved ozone concentration is 3 mg/l or less.
References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1994-08-19 | 1995-02-18 | 1995-08-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1998-08-19 | 1999-02-18 | 1999-08-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2002-08-19 | 2003-02-18 | 2003-08-20 | $7700.00 | Window Closed / Lapsed |