{
  "patent_number": "US 12735389",
  "country": "US",
  "title": "How to Make Very Pure Phentolamine Mesylate for Medicine",
  "original_title": "Highly pure phentolamine mesylate and methods for making same",
  "summary": "This patent describes a specific chemical recipe using acetone and water to create a very pure version of phentolamine mesylate, a drug used in medicine.",
  "what_it_does": "This invention provides a specific method for creating phentolamine mesylate, a chemical compound used as a drug. The process involves combining two starting ingredients: phentolamine and methanesulfonic acid. Crucially, this reaction takes place in a specific mixture of solvents: acetone and water. This particular combination of ingredients and solvents is designed to produce 'highly pure' phentolamine mesylate, meaning the final product contains very few unwanted impurities. For example, a drug manufacturer could use this method to ensure their phentolamine mesylate meets strict pharmaceutical purity standards.",
  "what_it_does_not_cover": [
    "Does not cover methods for synthesizing phentolamine mesylate using different solvents, such as ethanol or methanol, instead of acetone and water.",
    "Does not cover purification techniques that do not involve the specific reaction conditions described, even if they yield high purity.",
    "Does not cover phentolamine mesylate produced with lower purity levels that are not considered 'highly pure'.",
    "Does not cover the use of starting materials other than phentolamine and methanesulfonic acid to create the drug.",
    "Does not cover the medical uses or applications of phentolamine mesylate itself, only its method of creation."
  ],
  "filed": "2024-03-28",
  "granted": "2026-09-15",
  "expires": null,
  "status": "active",
  "holder": null,
  "holder_url": null,
  "inventors": [],
  "times_cited": 0,
  "tags": [
    "pharmaceutical",
    "biotech",
    "chemistry"
  ],
  "abstract": "This invention provides methods for synthesizing phentolamine mesylate from phentolamine and methanesulfonic acid in the presence of acetone and water. The methods of the present invention provide highly pure phentolamine mesylate. The invention also provides highly pure phentolamine mesylate.",
  "url": "https://patentbrief.org/patent/us/12735389/highly-pure-phentolamine-mesylate-and-methods-for-making-same",
  "markdown_url": "https://patentbrief.org/patent/us/12735389/highly-pure-phentolamine-mesylate-and-methods-for-making-same/md",
  "google_patents_url": "https://patents.google.com/patent/US12735389",
  "relatedPatents": []
}