US3879233A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Smokeless fluxing material for hot tin-coating, hot-leading, and hot-galvanizing
Assignee: Evonik Operations GmbH
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Filing: 1973-04-09
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Granted: 1975-04-22
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Expires: 1993-04-09
Abstract
Abstract This invention relates to a smokeless fluxing material for hottin-coating, hot-galvanizing, and hot leading, comprising zinc chloride and an effective content of zirconium oxychloride.
Inventors
- 👤 Wolfgang Muller
- 👤 Wilhelm Brugger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 08:20
CPC Classifications
C; C23; C23C; C23C2/00; C23C2/30
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
43 words
A SMOKELESS FLUXING MATERIAL FOR HOT TIN-COATING, HOTGALVANIZING, AND HOT-LEADING, COMPRISING A MIXTURE OF 68 PERCENT BY WEIGHT OF ZINC CHLORIDE, 24 PERCENT BY WEIGHT OF AN EUTECTIC MIXTURE OF SODIUM CHLORIDE AND POTASSIUM CHLORIDE, AND 8 PERCENT BY WEIGHT OF ZROCL2 6H2O.
Claim 2
Dependent Claim
43 words
A SMOKELESS FLUXING MATERIAL FOR HOT TIN-COATING, HOTGALVANIZING, AND HOT-LEADING, COMPRISING A MIXTURE OF 68 PERCENT BY WEIGHT OF ZINC CHLORIDE, 24 PERCENT BY WEIGHT OF AN EUTECTIC MIXTURE OF SODIUM CHLORIDE AND POTASSIUM CHLORIDE, AND 8 PERCENT BY WEIGHT OF ZROCL2 6H2O.
References Cited (Backward Citations)
US3244551A
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 |