Which carbapenem “synthetic method” patents are likely being filed as patent applications?
“Carbapenem synthetic method” is usually broad enough to cover several different invention types in patent applications, such as (1) new step-by-step routes from known intermediates, (2) improved processes for key intermediates, (3) catalysts/reagents and reaction conditions, and (4) purification/formulation steps that materially change yield, cost, or scalability. To identify the exact patent application you mean, you typically need at least one anchor detail: the target carbapenem (for example, meropenem, imipenem, ertapenem, or doripenem), the key intermediate, or the inventors/assignee.
What details should you provide so I can find the right patent application?
If you want me to locate a specific patent application (or narrow down the closest matches), share any of the following:
- The specific carbapenem drug name (e.g., meropenem vs. imipenem).
- Any chemical intermediate name or code (even partial).
- The country/region (US, EP, CN, WO/PCT).
- Any assignee or company name.
- Any publication number pattern you have (e.g., US 20xx/xxxxxxx, WO20xx/xxxxxx).
- The general process step you care about (e.g., beta-lactam ring formation, side-chain coupling, stereoselective steps, deprotection, etc.).
With those, I can map your “synthetic method” request to the correct US patent application record(s) and summarize what’s claimed.
Where do US carbapenem process method applications show up?
US patent applications appear as published “US patent application publications” (often labeled like US 20xx/xxxxxxx). Many method-process filings also originate as WO/PCT applications and then enter the US national phase, so you may see a corresponding WO record with the same core chemistry and claims.
How to check whether a patent application is about a process (not the drug itself)
When reviewing a US patent application about a “synthetic method,” the claims typically focus on:
- A process of preparing the carbapenem or an intermediate, including the sequence of steps.
- Specific reactants/catalysts, temperatures, solvents, times, or workup conditions.
- Defined intermediates and how they are converted to the next stage.
If the claims instead cover the compound itself (composition of matter) without a method/process, it’s more likely a substance claim than a synthetic method claim.
What I can’t determine from your current question
Your query does not name a specific carbapenem, intermediate, applicant, or jurisdiction beyond “US patent application,” so there isn’t enough information to point to a particular application or claim set.
Quick next step
Reply with the carbapenem name (e.g., meropenem/imipenem/ertapenem/doripenem) and, if you have it, the company/assignee or any intermediate/step description. Then I can identify the relevant US patent application(s) and summarize the claimed synthetic method.
Sources
No source was cited because no DrugPatentWatch.com (or other) specific application information was provided in your question.