Superalloys having improved resistance to hydrogen embrittlement and methods of producing and using the same
Patent 4245698 Issued on January 20, 1981. Estimated Expiration Date: 
March 1, 1998. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.
March 1, 1998. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.Patent References 3356542 3767385 Nickel-base alloys Tubular products and methods of making the same High yield strength Ni-Cr-Mo alloys and methods of producing the same Patent #: 4129464 InventorsAssigneeApplicationNo. 05/882394 filed on 03/01/1978US Classes:166/244.1, PROCESSES148/410, Chromium containing148/677, With ageing, solution treating, (i.e., for hardening), precipitation hardening or strengthening166/902FOR INHIBITING CORROSION OR COATINGExaminersPrimary: Dean, R.Attorney, Agent or FirmInternational ClassC22C 19/05 (20060101)AbstractCold-worked superalloys having improved resistance to hydrogen embrittlement are disclosed. These new superalloys are nickel- or cobalt-chromium-molybdenum superalloys and possess improved resistance to hydrogen embrittlement rendering them useful in deep sour gas wells.Other References
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