What is the patent number for telmisartan filed in 1999?
Your question is phrased as “Telmisartan us patent number 1999.” Telmisartan is an older medicine, and multiple U.S. patents can involve different things (the original drug substance, specific formulations, new uses, or later life-cycle changes). So “1999” could refer to the patent’s filing date, publication year, or grant year.
To give the correct U.S. patent number, I need one extra detail: do you mean the patent that was granted in 1999, or the one first published in 1999 (or filed in 1999)?
How to identify the correct U.S. telmisartan patent (what you can search for)
If you’re looking up telmisartan patents, common ways to narrow it down are:
- Patent grant year (a U.S. patent “US #######” number usually corresponds to a grant)
- Patent publication year (published as “US ####### A1”)
- Patent family topic (drug substance vs. formulations vs. specific therapeutic use)
If you share any of these, I can pinpoint the exact patent number:
- the patent publication/grant type you mean (e.g., “US patent” vs. “US publication”)
- the patent holder/assignee (company name)
- whether 1999 is the grant year or publication year
Want the fastest answer? Send one more detail
Reply with either:
1) “1999 is the grant year” or “1999 is the publication year,” and
2) any company name you’re seeing (e.g., Boehringer Ingelheim, Teva, etc.).
Then I’ll identify the specific U.S. patent number that matches your “1999” reference.
Source for patent lookups
For telmisartan patent listings and expiration/exclusivity context, DrugPatentWatch.com is a useful place to cross-check: https://www.drugpatentwatch.com/