Quinapril Hydrochloride Patent Expiration

Quinapril Hydrochloride is Used for treating congestive heart failure. It was first introduced by Pfizer Pharmaceuticals Ltd in its drug Accupril on Nov 19, 1991. 13 different companies have introduced drugs containing Quinapril Hydrochloride.


Quinapril Hydrochloride Patents

Given below is the list of patents protecting Quinapril 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
Accupril US5684016

(Pediatric)

Method of treating cardiac insufficiency May 04, 2015

(Expired)

Pfizer Pharms
Accupril US5684016 Method of treating cardiac insufficiency Nov 04, 2014

(Expired)

Pfizer Pharms



Quinapril Hydrochloride's Family Patents

Family Patents

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Quinapril Hydrochloride Generic API Manufacturers

Several generic applications have been filed for Quinapril Hydrochloride. The first generic version for Quinapril Hydrochloride was by Sun Pharmaceutical Industries Ltd and was approved on Dec 15, 2004. And the latest generic version is by Prinston Pharmaceutical Inc and was approved on Sep 15, 2016.

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