Description (Abstract) This work establishes intrinsic durability envelopes as a necessary structural admissibility condition for corrosion-resistant materials and catalytic systems that claim long-term functionality, stability, or industrial deployability. The analysis is non-constructive and does not disclose any specific compositions, alloys, coatings, inhibitors, catalyst formulations, supports, promoters, regeneration protocols, or operating conditions. Instead, it formalizes a boundary condition under which a claimed material or catalytic system must preserve functional persistence within a durability envelope defined by intrinsic chemical stability and identity-level resistance, rather than through continuous surface regeneration, sacrificial material loss, or maintenance-driven activity restoration. This condition constrains patentability at the level of enablement, inventive step, and industrial applicability and applies uniformly across corrosion and catalysis domains. This document functions as prior art defining admissibility, not as a technical teaching.
Jorge Vasconcelos (Tue,) studied this question.
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