US3788989A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Microbiocidal naphthenyl imidazolines
Assignee: Stepan Co
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Filing: 1972-06-16
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Granted: 1974-01-29
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Expires: 1992-06-16
Abstract
Abstract A METHOD OF PRESERVING METAL-WORKING FLUIDS AGAINST MICROORGANISMS BY ADDING THE COMPOUND 1-AMINOETHYL2-NAPHTHENYL IMIDAZOLINE, HAVING THE STRUCTURE: 1-(H2N-CH2-CH2-),2-R-2-IMIDAZOLINE WHEREIN R IS THE RESIDUE OF NAPHTHENE-CARBOXYLIC ACID AS A MICROBIOCIDAL PRESERVATIVE AGENT.
Inventors
- 👤 P Adams
- 👤 A Petrocci
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 02:33
CPC Classifications
A; A61; A61K; A61K8/00; A61K8/18; A61K8/30; A61K8/49; A61K8/494; A61K8/4946; A61Q; A61Q17/00; A61Q17/005; C; C10; C10M; C10M2201/00; C10M2201/02; C10M2201/08; C10M2201/082; C10M2201/083; C10M2215/00; C10M2215/02; C10M2215/04; C10M2215/042; C10M2215/22; C10M2215/223; C10M2215/224; C10M2219/00; C10M2219/04; C10M2219/044; C10M2223/00; C10M2223/02; C10M2223/04; C10M2223/041; C10M2223/042; C10M2223/043; C10N; C10N2040/00; C10N2040/20; C10N2040/22; C10N2050/00; C10N2050/01
Claims Analysis
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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) | 1977-01-28 | 1977-07-30 | 1978-01-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-01-28 | 1981-07-30 | 1982-01-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-01-28 | 1985-07-30 | 1986-01-29 | $7700.00 | Window Closed / Lapsed |