Cyanocobalamin Patent Expiration

Cyanocobalamin is Used for treating vitamin B12 deficiencies through nasal administration of cyanocobalamin. It was first introduced by Merck And Co Inc in its drug Redisol on Approved Prior to Jan 1, 1982. Other drugs containing Cyanocobalamin are Rubivite, Cyanocobalamin, Berubigen, Nascobal, Vi-Twel, Rubramin Pc, Calomist. 40 different companies have introduced drugs containing Cyanocobalamin.


Cyanocobalamin Patents

Given below is the list of patents protecting Cyanocobalamin, 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
Nascobal US7229636 Cyanocobalamin low viscosity aqueous formulations for intranasal delivery Aug 01, 2024

(Expired)

Endo Operations
Nascobal US7879349 Cyanocobalamin low viscosity aqueous formulations for intranasal delivery Aug 01, 2024

(Expired)

Endo Operations
Nascobal US8003353 Cyanocobalamin low viscosity aqueous formulations for intranasal delivery Aug 01, 2024

(Expired)

Endo Operations
Nascobal US9415007 Cyanocobalamin low viscosity aqueous formulations for intranasal delivery Jul 28, 2024

(Expired)

Endo Operations
Nascobal US7404489 Cyanocobalamin low viscosity aqueous formulations for intranasal delivery Mar 12, 2024

(Expired)

Endo Operations
Nascobal US8940714 Cyanocobalamin low viscosity aqueous formulations for intranasal delivery Feb 26, 2024

(Expired)

Endo Operations



Cyanocobalamin's Family Patents

Family Patents

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Cyanocobalamin Generic API Manufacturers

Several generic applications have been filed for Cyanocobalamin. The first generic version for Cyanocobalamin was by Wyeth Ayerst Laboratories and was approved on Approved Prior to Jan 1, 1982. And the latest generic version is by Meitheal Pharmaceuticals Inc and was approved on Nov 15, 2024.

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