US3843519A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Inhibiting growth of microorganisms in aqueous systems
Assignee: Givaudan Roure Corp
•
Filing: 1973-06-06
•
Granted: 1974-10-22
•
Expires: 1993-06-06
Abstract
Abstract 1. THE METHOD OF INHIBITING THE DETRIMENTAL GROWTH OF MICROORGANISMS IN AN AQUEOUS MEDIUM SUSCEPTIBLE TO SUCH GROWTH WHICH COMPRISES INCORPORATING IN THE AQUEOUS MEDIUM FROM ABOUT 0.025 TO ABOUT 1% BY WEIGHT OF 2-(2-HYDROXYPROPYL)-6-METHYL-1,3-DIOXAN-4-OL.
Inventors
- 👤 C Stegmann
- 👤 M Manowitz
- 👤 F Sharpell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 00:50
CPC Classifications
C; C02; C02F; C02F1/00; C02F1/50; C10; C10M; C10M129/00; C10M129/02; C10M129/16; C10M129/20; C10M2201/00; C10M2201/02; C10M2207/00; C10M2207/04; C10M2207/044; C10N; C10N2040/00; C10N2040/20; C10N2040/22
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
34 words
THE METHOD OF INHIBITING THE DETRIMENTAL GROWTH OF MICROORGANISMS IN AN AQUEOUS MEDIUM SUSCEPTIBLE TO SUCH GROWTH WHICH COMPRISES INCORPORATING IN THE AQUEOUS MEDIUM FROM ABOUT 0.025 TO ABOUT 1% BY WEIGHT OF 2-(2-HYDROXYPROPYL)-6-METHYL-1,3-DIOXAN-4-OL.
Claim 2
Independent Claim
34 words
THE METHOD OF INHIBITING THE DETRIMENTAL GROWTH OF MICROORGANISMS IN AN AQUEOUS MEDIUM SUSCEPTIBLE TO SUCH GROWTH WHICH COMPRISES INCORPORATING IN THE AQUEOUS MEDIUM FROM ABOUT 0.025 TO ABOUT 1% BY WEIGHT OF 2-(2-HYDROXYPROPYL)-6-METHYL-1,3-DIOXAN-4-OL.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1977-10-21 | 1978-04-22 | 1978-10-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-10-21 | 1982-04-22 | 1982-10-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-10-21 | 1986-04-22 | 1986-10-22 | $7700.00 | Window Closed / Lapsed |