US3871860A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Preservatives for aqueous systems
Assignee: Givaudan Roure Corp
•
Filing: 1971-08-04
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Granted: 1975-03-18
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Expires: 1991-08-04
Abstract
Abstract Beta -Bromo- Beta -nitrostyrene is a preservative for aqueous systems normally subject to spoilage by slime-forming algae, bacteria and fungi microorganisms.
Inventors
- 👤 Milton Manowitz
- 👤 Goerge R Walter
- 👤 Jr Stephen Foris
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 13:45
CPC Classifications
E; E21; E21B; E21B43/00; E21B43/16; E21B43/20; C; C02; C02F; C02F1/00; C02F1/50; C07; C07C; C07C205/00; C07C205/07; C07C205/08; C07C205/09; C07C205/11; C07C205/27; C07C205/32; C09; C09K; C09K8/00; C09K8/60; C09K8/605; C10; C10G; C10G32/00; C10L; C10L1/00; C10L1/10; C10L1/14; C10L1/22; C10L1/23; C10L1/231; C10M; C10M133/00; C10M133/02; C10M133/30; C10M133/32; C10M2201/00; C10M2201/02; C10M2201/06; C10M2201/061; C10M2201/16; C10M2201/18; C10M2215/00; C10M2215/20; C10M2215/202; C10M2219/00; C10M2219/02; C10M2219/024; C10N; C10N2040/00; C10N2040/20; C10N2040/22
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
58 words
THE PROCESS FOR COMBATING SPOILAGE BY THE ACTION OF SLIME-FORMING ALGAE, BACTERIA AND FUNGI MICROORGANISMS IN INDUSTRIAL COOLING WATER AND WATER USED IN PULP AND PAPER MANUFACTURING, WHICH COMPRISES INHIBITING SAID SLIME-FORMING ORGANISMS IN SUCH WATERS WITH AN EFFECTIVE AMOUNT BEING LESS THANTHE OF B-BROMO-B-NITROSTYRENE, SAID AMOUNT BEING LESS THAN THE MINIMAL EFFECTIVE INHIBITING CONCENTRATION REQUIRED FOR 2BROMO-2-NITROETHYLBENZENE.
Claim 2
Dependent Claim
58 words
THE PROCESS FOR COMBATING SPOILAGE BY THE ACTION OF SLIME-FORMING ALGAE, BACTERIA AND FUNGI MICROORGANISMS IN INDUSTRIAL COOLING WATER AND WATER USED IN PULP AND PAPER MANUFACTURING, WHICH COMPRISES INHIBITING SAID SLIME-FORMING ORGANISMS IN SUCH WATERS WITH AN EFFECTIVE AMOUNT BEING LESS THANTHE OF B-BROMO-B-NITROSTYRENE, SAID AMOUNT BEING LESS THAN THE MINIMAL EFFECTIVE INHIBITING CONCENTRATION REQUIRED FOR 2BROMO-2-NITROETHYLBENZENE.
Claim 3
Dependent Claim
15 words
The process as set forth in claim 1, wherein industrial cooling water is the water.
Claim 4
Dependent Claim
19 words
The process as set forth in claim 1, wherein water used in pulp and paper manufacture is the water.
References Cited (Backward Citations)
US3629465A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1978-03-17 | 1978-09-16 | 1979-03-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-03-17 | 1982-09-16 | 1983-03-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-03-17 | 1986-09-16 | 1987-03-18 | $7700.00 | Window Closed / Lapsed |