conservan

Could you clarify what you mean by "conservan"? It isn’t a widely recognized term, so it could refer to a variety of things (a surname, a fictional concept, a product name, or a neologism you want to introduce). Once you specify the intended meaning, I can draft a concise, neutral wiki-style article (under 300 words). If you prefer, I can also produce a neutral disambiguation-style stub that notes that the term has no single established definition and outlines possible usages.