US3203792A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Highly corrosion resistant nickel-chromium-molybdenum alloy with improved resistance o intergranular corrosion
Assignee: BASF SE
•
Filing: 1964-08-31
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Granted: 1965-08-31
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Expires: 1984-08-31
Abstract
No abstract record available.
Inventors
- 👤 Scheil Margarete
- 👤 Class Immanuel
- 👤 Graefen Hubert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 10:03
CPC Classifications
C; C22; C22C; C22C19/00; C22C19/03; C22C19/05; C22C19/051; C22C19/055
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
80 words
A NICKEL-CHROMIUN-MOLYBDENUM ALLOY HAVING HIGH CORROSION AND HEAT RESISTANCE PROPERTIES, SAID ALLOY CONSISTING ESSENTIALLY OF FROM 40 TO 65% NICKEL; UP TO 20% COBALT, THE TOTAL AMOUNT OF NICKEL AND COBALT BEING FROM 40 TO 65%; FROM 14 TO 26% CHROMIUM; FROM 3 TO 18% MOLYBDENUM; UP TO 30% IRON: UP TO 5% TUNGSTEN; UP TO 0.1% CARBON; UP TO 3% MANGANESE; AND A COMBINED PHOSPHORUS AND SULFUR CONTENT OF UP TO 0.1%, SAID ALLOY CONTAINING LESS THAN 0.2% SILICON.
Claim 2
Dependent Claim
80 words
A NICKEL-CHROMIUN-MOLYBDENUM ALLOY HAVING HIGH CORROSION AND HEAT RESISTANCE PROPERTIES, SAID ALLOY CONSISTING ESSENTIALLY OF FROM 40 TO 65% NICKEL; UP TO 20% COBALT, THE TOTAL AMOUNT OF NICKEL AND COBALT BEING FROM 40 TO 65%; FROM 14 TO 26% CHROMIUM; FROM 3 TO 18% MOLYBDENUM; UP TO 30% IRON: UP TO 5% TUNGSTEN; UP TO 0.1% CARBON; UP TO 3% MANGANESE; AND A COMBINED PHOSPHORUS AND SULFUR CONTENT OF UP TO 0.1%, SAID ALLOY CONTAINING LESS THAN 0.2% SILICON.
References Cited (Backward Citations)
US2840469A
Cited
US2959480A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-08-30 | 1969-03-01 | 1969-08-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-08-30 | 1973-03-01 | 1973-08-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-08-30 | 1977-03-01 | 1977-08-31 | $7700.00 | Window Closed / Lapsed |