Remifentanil Hydrochloride Patent Expiration

Remifentanil Hydrochloride was first introduced by Mylan Institutional Llc in its drug Ultiva on Jul 12, 1996. 4 different companies have introduced drugs containing Remifentanil Hydrochloride.


Remifentanil Hydrochloride Patents

Given below is the list of patents protecting Remifentanil Hydrochloride, along with the drug name that holds that patent and the company name owning that drug.

Drug Used in Drug Patent Number Drug Patent Title Drug Patent Expiry Drug Owner
Ultiva US5866591

(Pediatric)

Stable formulations of remifentanil Mar 10, 2018

(Expired)

Mylan Institutional
Ultiva US5866591 Stable formulations of remifentanil Sep 10, 2017

(Expired)

Mylan Institutional



Remifentanil Hydrochloride's Family Patents

Family Patents

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Remifentanil Hydrochloride Generic API Manufacturers

Several generic applications have been filed for Remifentanil Hydrochloride. The first generic version for Remifentanil Hydrochloride was by Fresenius Kabi Usa Llc and was approved on Jan 16, 2018. And the latest generic version is by Nivagen Pharmaceuticals Inc and was approved on Jun 28, 2024.

Given below is the list of companies who have filed for Remifentanil Hydrochloride generic, along with the locations of their manufacturing plants worldwide.