US4149983A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Antimicrobial additive for metal working fluids
Assignee: Merck and Co Inc
•
Filing: 1978-04-03
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Granted: 1979-04-17
•
Expires: 1998-04-03
Abstract
Abstract Compositions of 1,3,5-tris-(furfuryl)hexahydro-s-triazine are useful as antimicrobial agents particularly when added to metal-working compositions subject to fungal and bacterial attack.
Inventors
- 👤 Nathaniel Grier
- 👤 Bruce E. Witzel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 19:57
CPC Classifications
C; C10; C10M; C10M133/00; C10M133/02; C10M133/38; C10M133/40; C10M133/42; A; A01; A01N; A01N43/00; A01N43/64; C10M173/00; C10M2201/00; C10M2201/02; C10M2201/04; C10M2201/041; C10M2201/042; C10M2201/06; C10M2201/063; C10M2201/065; C10M2201/066; C10M2201/08; C10M2201/082; C10M2201/083; C10M2201/10; C10M2201/102; C10M2203/00; C10M2203/06; C10M2207/00; C10M2207/02; C10M2207/021; C10M2207/022; C10M2207/023; C10M2207/025; C10M2207/026; C10M2207/08; C10M2207/10; C10M2207/12; C10M2207/121; C10M2207/123; C10M2207/125; C10M2207/129; C10M2207/22; C10M2207/28; C10M2207/281; C10M2207/282; C10M2207/283; C10M2207/286; C10M2207/287; C10M2207/289; C10M2207/40; C10M2207/404; C10M2209/00; C10M2209/10; C10M2209/101; C10M2209/103; C10M2209/104; C10M2209/109; C10M2215/00; C10M2215/02; C10M2215/04; C10M2215/042; C10M2215/06; C10M2215/062; C10M2215/22; C10M2215/221; C10M2215/222; C10M2215/223; C10M2215/224; C10M2215/225; C10M2215/226; C10M2215/24; C10M2215/26; C10M2215/30; C10M2219/00; C10M2219/02; C10M2219/022; C10M2219/04; C10M2219/044; C10M2219/08; C10M2219/082; C10M2219/10; C10M2219/102; C10M2219/104; C10M2219/106; C10M2229/00; C10M2229/02; C10M2229/04; C10M2229/05; C10N; C10N2010/00; C10N2010/02; C10N2040/00; C10N2040/20; C10N2040/22; C10N2040/24; C10N2040/241; C10N2040/242; C10N2040/243; C10N2040/244; C10N2040/245; C10N2040/246; C10N2040/247; C10N2050/00; C10N2050/01
Claims Analysis
Total Claims: 11
Claim 1
Independent Claim
39 words
A composition for inhibiting the growth of microorganisms in metal working fluid comprising 0.5% to 55% by weight of 1,3,5-tris-(furfuryl)hexahydro-s-triazine; 40% to 99.5% by weight of a carrier fluid; and from 0.5% to 30% by weight of a surfactant.
Claim 2
Dependent Claim
39 words
A composition for inhibiting the growth of microorganisms in metal working fluid comprising 0.5% to 55% by weight of 1,3,5-tris-(furfuryl)hexahydro-s-triazine; 40% to 99.5% by weight of a carrier fluid; and from 0.5% to 30% by weight of a surfactant.
Claim 3
Dependent Claim
18 words
A composition according to claim 1 where at least 50% by weight of the carrier fluid is water.
Claim 4
Dependent Claim
59 words
A composition suitable for used as a premix for addition to cutting oil fluids comprising from 1% to 95% by weight 1,3,5-tris-(furfuryl)hexahydro-s-triazine; 4% to 99% by weight of a carrier fluid; and from 0% to 30% by weight of a surfactant, provided that where the carrier fluid is water, at least 0.5% by weight of a surfactant is employed.
Claim 5
Dependent Claim
59 words
A composition suitable for used as a premix for addition to cutting oil fluids comprising from 1% to 95% by weight 1,3,5-tris-(furfuryl)hexahydro-s-triazine; 4% to 99% by weight of a carrier fluid; and from 0% to 30% by weight of a surfactant, provided that where the carrier fluid is water, at least 0.5% by weight of a surfactant is employed.
Claim 6
Dependent Claim
25 words
A composition according to claim 3 where the carrier fluid is a petroleum oil fraction having a boiling point from 80° C. to 190° C.
Claim 7
Dependent Claim
17 words
A composition according to claim 3 where the carrier fluid is 25% to 50% by weight water.
Claim 8
Dependent Claim
17 words
A composition according to claim 3 where the carrier fluid is at least 50% by weight water.
Claim 9
Independent Claim
27 words
A method of inhibiting the growth of undesirable microorganisms in metal working fluids by admixing with said metal working fluids a microbial growth inhibiting amount of 1,3,5-tris-(furfuryl)hexahydro-s-triazine.
Claim 10
Independent Claim
27 words
A method of inhibiting the growth of undesirable microorganisms in metal working fluids by admixing with said metal working fluids a microbial growth inhibiting amount of 1,3,5-tris-(furfuryl)hexahydro-s-triazine.
Claim 11
Dependent Claim
21 words
A method according to claim 7 where the 1,3,5-tris-(furfuryl)hexahydro-s-triazine is employed at a concentration of from 0.1% to 5% by weight.
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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) | 1982-04-16 | 1982-10-16 | 1983-04-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1986-04-16 | 1986-10-16 | 1987-04-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1990-04-16 | 1990-10-16 | 1991-04-17 | $7700.00 | Window Closed / Lapsed |