US3879536A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Control of bacteria and fungi in aqueous systems
Assignee: Diamond Shamrock Corp
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Filing: 1972-12-04
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Granted: 1975-04-22
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Expires: 1992-12-04
Abstract
Abstract A composition consisting essentially of 3,3,4,4tetrachlorotetrahydrothiophene-1,1-dioxide and bis(trichloromethyl)sulfone exhibits a synergistic effect in the inhibition of growth of microorganisms in aqueous systems.
Inventors
- 👤 Jr William J Meyers
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 09:32
CPC Classifications
C; C02; C02F; C02F1/00; C02F1/50; A; A01; A01N; A01N47/00; A01N47/02
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
31 words
A COMPOSITION CAPABLE OF INHIBITING THE FORMATION OF BACTERIA AND FUNGI-CAUSED SLIMES IN WATER CONSISTING ESSENTIALLY OF FROM 10 TO 90% BY WEIGHT OF 3,3,4,4TETRACHLOROTETRAHYDROTHIOPHENE-1,1-DIOXIDE AND 90 TO 10% OF BIS(TRICHLOROMETHYL)SULFONE.
Claim 2
Dependent Claim
31 words
A COMPOSITION CAPABLE OF INHIBITING THE FORMATION OF BACTERIA AND FUNGI-CAUSED SLIMES IN WATER CONSISTING ESSENTIALLY OF FROM 10 TO 90% BY WEIGHT OF 3,3,4,4TETRACHLOROTETRAHYDROTHIOPHENE-1,1-DIOXIDE AND 90 TO 10% OF BIS(TRICHLOROMETHYL)SULFONE.
Claim 3
Dependent Claim
32 words
A composition capable of inhibiting the formation of bacteria and fungi-caused slimes in water consisting essentially of from 10 to 90% by weight of 3,3,4,4-tetrachlorotetrahydrothiophene-1, 1-dioxide and 90 to 10% of bis(trichloromethyl)sulfone.
Claim 4
Dependent Claim
32 words
A composition capable of inhibiting the formation of bacteria and fungi-caused slimes in water consisting essentially of from 10 to 90% by weight of 3,3,4,4-tetrachlorotetrahydrothiophene-1, 1-dioxide and 90 to 10% of bis(trichloromethyl)sulfone.
Claim 5
Dependent Claim
16 words
The composition of claim 1 wherein 3,3,4,4-tetrachlorotetrahydrothiophene-1,1-dioxide is present within the range of 40 to 60%.
References Cited (Backward Citations)
US2957887A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1978-04-21 | 1978-10-21 | 1979-04-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-04-21 | 1982-10-21 | 1983-04-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-04-21 | 1986-10-21 | 1987-04-22 | $7700.00 | Window Closed / Lapsed |