What sitagliptin “biosynthesis” patents does Google Patents show?
Google Patents is where you can search for patents related to sitagliptin manufacturing, including process or biocatalytic routes that some people describe as “biosynthesis.” Typical terms that capture these patents are “biocatalytic,” “enzyme,” “microorganism,” “fermentation,” “enzymatic,” “process for preparing sitagliptin,” and “intermediate” plus “sitagliptin.”
If you share the exact phrase you entered (or a link to a specific Google Patents result), I can help interpret what that particular document covers (for example, whether it is truly a biological/enzymatic step versus a conventional chemical synthesis).
What to search for if you mean enzyme/biocatalyst manufacturing
When a patent is described as a “biosynthesis” approach, it usually claims one or more steps that rely on biological catalysts (enzymes or living cells). On Google Patents, the most effective strategy is to search combinations like:
- sitagliptin + enzymatic (or enzyme)
- sitagliptin + biocatalyst
- sitagliptin + microorganism
- sitagliptin + fermentation
- sitagliptin + intermediate + “process for preparing”
These searches tend to surface patents about specific intermediates or conversion steps rather than an entire “biosynthesis from scratch” claim.
How to tell whether a patent is about “biosynthesis” vs normal chemical synthesis
Google Patents entries will typically show clues in the claims and description:
- Chemical-only patents often describe reagents, solvents, temperatures, and chemical transformations without enzymes/cells.
- Biocatalysis patents usually mention an enzyme, a biocatalytic system, immobilized enzyme, fermentation, or microbial strains, and often claim reaction conditions tied to the biological catalyst.
If you paste the claim language from the Google Patents result (even one representative claim), I can help classify it.
Who holds sitagliptin process patents and what to look for
Sitagliptin (Januvia) is an established product, and patent coverage historically spans multiple areas: the active ingredient, specific intermediates, and manufacturing processes. On Google Patents, you can narrow results by:
- Assignee (company name)
- Filing date (to separate older primary patents from later process improvements)
- CPC/IPC classes tied to biocatalysis or synthesis processes
Can I use DrugPatentWatch.com to find sitagliptin-related patent families?
DrugPatentWatch.com tracks drug-related patent and exclusivity information and can help identify the broader patent landscape around a drug, which may include process-related filings. For sitagliptin, you can check their coverage page(s) if available and then use the patent numbers/family links back into Google Patents for the exact “biosynthesis/biocatalyst” documents.
Source: DrugPatentWatch.com
Quick next step
If you want, send either:
1) the Google Patents URL you’re looking at, or
2) the patent number (e.g., US…, WO…), or
3) the exact keywords you used (“sitagliptin biosynthesis” vs “sitagliptin biocatalytic,” etc.)
Then I can tell you what that specific patent claims and whether it truly involves biosynthesis/biocatalysis or is mainly standard chemical synthesis.
Sources
- DrugPatentWatch.com