US2966433A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of producing a slag-forming mass
Assignee: US Philips Corp
•
Filing: 1956-12-17
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Granted: 1960-12-27
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Expires: 1976-12-17
Abstract
No abstract record available.
Inventors
- 👤 Willigen Paul Christiaan V Der
- 👤 Troelstra Sjerp Anne
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 21:51
CPC Classifications
B; B23; B23K; B23K35/00; B23K35/22; B23K35/36; B23K35/3601; B23K35/3603; B23K35/3605
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
91 words
A METHOD OF FORMING A BINDER FOR A SLAG-FORMING MASS PARTICULARLY ADAPTED FOR THE ELECTRICAL ARE WELDING OF IRON AND IRON ALLOYS COMPRISING THE STEPS, FORMING AN AQUEOUS DISPERSION OF A FINELY DIVIDED FLUORIDE OF AN ALKALINE EARTH METAL, AND TREATING SAID DISPERSION WITH AN AQUEOUS SOLUTION OF A WATER SOLUBLE SALT OF A METAL ION WHICH REPLACES THE METAL ION IN THE LATTICE OF THE DISPERSED FLUORIDE, AND WATER SOLUBLE SALT BEING ADDED IN AN AMOUNT SUFFICIENT TO COAGULATE SAID FLOURIDE TO THEREBY FORM A COLLOIDAL GEL OF SAID FLUORIDE.
Claim 2
Independent Claim
91 words
A METHOD OF FORMING A BINDER FOR A SLAG-FORMING MASS PARTICULARLY ADAPTED FOR THE ELECTRICAL ARE WELDING OF IRON AND IRON ALLOYS COMPRISING THE STEPS, FORMING AN AQUEOUS DISPERSION OF A FINELY DIVIDED FLUORIDE OF AN ALKALINE EARTH METAL, AND TREATING SAID DISPERSION WITH AN AQUEOUS SOLUTION OF A WATER SOLUBLE SALT OF A METAL ION WHICH REPLACES THE METAL ION IN THE LATTICE OF THE DISPERSED FLUORIDE, AND WATER SOLUBLE SALT BEING ADDED IN AN AMOUNT SUFFICIENT TO COAGULATE SAID FLOURIDE TO THEREBY FORM A COLLOIDAL GEL OF SAID FLUORIDE.
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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) | 1963-12-27 | 1964-06-27 | 1964-12-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-12-27 | 1968-06-27 | 1968-12-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-12-27 | 1972-06-27 | 1972-12-27 | $7700.00 | Window Closed / Lapsed |