Last Updated: September 24, 2026

SODIUM NITRITE Drug Patent Profile


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Which patents cover Sodium Nitrite, and when can generic versions of Sodium Nitrite launch?

Sodium Nitrite is a drug marketed by Hope Pharms and is included in one NDA. There are two patents protecting this drug.

The generic ingredient in SODIUM NITRITE is sodium nitrite. There is one drug master file entry for this compound. One supplier is listed for this compound. Additional details are available on the sodium nitrite profile page.

DrugPatentWatch® Litigation and Generic Entry Outlook for Sodium Nitrite

A generic version of SODIUM NITRITE was approved as sodium nitrite by HOPE PHARMS on February 14th, 2012.

  Start Trial

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Summary for SODIUM NITRITE
US Patents:2
Applicants:1
NDAs:1
Finished Product Suppliers / Packagers: 1
Raw Ingredient (Bulk) Api Vendors: 1
Clinical Trials: 61
Patent Applications: 2,288
What excipients (inactive ingredients) are in SODIUM NITRITE?SODIUM NITRITE excipients list
DailyMed Link:SODIUM NITRITE at DailyMed
DrugPatentWatch® Estimated Loss of Exclusivity (LOE) Date for SODIUM NITRITE
Generic Entry Date for SODIUM NITRITE*:
Constraining patent/regulatory exclusivity:
NDA:
Dosage:

SOLUTION;INTRAVENOUS

*The generic entry opportunity date is the latter of the last compound-claiming patent and the last regulatory exclusivity protection. Many factors can influence early or later generic entry. This date is provided as a rough estimate of generic entry potential and should not be used as an independent source.

Recent Clinical Trials for SODIUM NITRITE

Identify potential brand extensions & 505(b)(2) entrants

SponsorPhase
University of PlymouthEARLY_PHASE1
NOxy Health Products, LLCPHASE1
University of Alabama at BirminghamPhase 1

See all SODIUM NITRITE clinical trials

Medical Subject Heading (MeSH) Categories for SODIUM NITRITE
Anatomical Therapeutic Chemical (ATC) Classes for SODIUM NITRITE

US Patents and Regulatory Information for SODIUM NITRITE

SODIUM NITRITE is protected by three US patents.

Based on analysis by DrugPatentWatch, the earliest date for a generic version of SODIUM NITRITE is ⤷  Start Trial.

This potential generic entry date is based on patent ⤷  Start Trial.

Generics may enter earlier, or later, based on new patent filings, patent extensions, patent invalidation, early generic licensing, generic entry preferences, and other factors.

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Exclusivity Expiration
Hope Pharms SODIUM NITRITE sodium nitrite SOLUTION;INTRAVENOUS 203922-001 Feb 14, 2012 RX Yes Yes ⤷  Start Trial ⤷  Start Trial Y ⤷  Start Trial
Hope Pharms SODIUM NITRITE sodium nitrite SOLUTION;INTRAVENOUS 203922-001 Feb 14, 2012 RX Yes Yes ⤷  Start Trial ⤷  Start Trial Y Y ⤷  Start Trial
>Applicant >Tradename >Generic Name >Dosage >NDA >Approval Date >TE >Type >RLD >RS >Patent No. >Patent Expiration >Product >Substance >Delist Req. >Exclusivity Expiration

International Patents for SODIUM NITRITE

When does loss-of-exclusivity occur for SODIUM NITRITE?

Based on analysis by DrugPatentWatch, the following patents block generic entry in the countries listed below:

Australia

Patent: 10213743
Patent: Sodium nitrite-containing pharmaceutical compositions
Estimated Expiration: ⤷  Start Trial

Canada

Patent: 52129
Patent: COMPOSITIONS PHARMACEUTIQUES CONTENANT DU NITRITE DE SODIUM (SODIUM NITRITE-CONTAINING PHARMACEUTICAL COMPOSITIONS)
Estimated Expiration: ⤷  Start Trial

Croatia

Patent: 0191516
Estimated Expiration: ⤷  Start Trial

Patent: 0211077
Estimated Expiration: ⤷  Start Trial

Cyprus

Patent: 24426
Estimated Expiration: ⤷  Start Trial

Denmark

Patent: 95834
Estimated Expiration: ⤷  Start Trial

Patent: 69237
Estimated Expiration: ⤷  Start Trial

European Patent Office

Patent: 95834
Patent: COMPOSITIONS PHARMACEUTIQUES CONTENANT DU NITRITE DE SODIUM (SODIUM NITRITE-CONTAINING PHARMACEUTICAL COMPOSITIONS)
Estimated Expiration: ⤷  Start Trial

Patent: 69237
Patent: COMPOSITIONS PHARMACEUTIQUES CONTENANT DU NITRITE DE SODIUM (SODIUM NITRITE-CONTAINING PHARMACEUTICAL COMPOSITIONS)
Estimated Expiration: ⤷  Start Trial

Patent: 62007
Patent: COMPOSITIONS PHARMACEUTIQUES CONTENANT DU NITRITE DE SODIUM (SODIUM NITRITE-CONTAINING PHARMACEUTICAL COMPOSITIONS)
Estimated Expiration: ⤷  Start Trial

Hungary

Patent: 44781
Estimated Expiration: ⤷  Start Trial

Patent: 55250
Estimated Expiration: ⤷  Start Trial

Japan

Patent: 89519
Estimated Expiration: ⤷  Start Trial

Patent: 59297
Estimated Expiration: ⤷  Start Trial

Patent: 12517474
Patent: 亜硝酸ナトリウムを含む医薬組成物
Estimated Expiration: ⤷  Start Trial

Patent: 15199764
Patent: 亜硝酸ナトリウムを含む医薬組成物 (SODIUM NITRITE-CONTAINING PHARMACEUTICAL COMPOSITIONS)
Estimated Expiration: ⤷  Start Trial

Lithuania

Patent: 95834
Estimated Expiration: ⤷  Start Trial

Patent: 69237
Estimated Expiration: ⤷  Start Trial

Poland

Patent: 95834
Estimated Expiration: ⤷  Start Trial

Patent: 69237
Estimated Expiration: ⤷  Start Trial

Portugal

Patent: 95834
Estimated Expiration: ⤷  Start Trial

Patent: 69237
Estimated Expiration: ⤷  Start Trial

Slovenia

Patent: 95834
Estimated Expiration: ⤷  Start Trial

Patent: 69237
Estimated Expiration: ⤷  Start Trial

Spain

Patent: 43303
Estimated Expiration: ⤷  Start Trial

Patent: 80500
Estimated Expiration: ⤷  Start Trial

Generics may enter earlier, or later, based on new patent filings, patent extensions, patent invalidation, early generic licensing, generic entry preferences, and other factors.

See the table below for additional patents covering SODIUM NITRITE around the world.

Country Patent Number Title Estimated Expiration
Australia 2010213743 Sodium nitrite-containing pharmaceutical compositions ⤷  Start Trial
Canada 2752129 COMPOSITIONS PHARMACEUTIQUES CONTENANT DU NITRITE DE SODIUM (SODIUM NITRITE-CONTAINING PHARMACEUTICAL COMPOSITIONS) ⤷  Start Trial
Cyprus 1121939 ⤷  Start Trial
Cyprus 1124426 ⤷  Start Trial
Denmark 2395834 ⤷  Start Trial
Denmark 3569237 ⤷  Start Trial
>Country >Patent Number >Title >Estimated Expiration

Supplementary Protection Certificates for SODIUM NITRITE

Patent Number Supplementary Protection Certificate SPC Country SPC Expiration SPC Description
0957929 06C0021 France ⤷  Start Trial PRODUCT NAME: PEGAPTANIB SODIUM; REGISTRATION NO/DATE: EU/1/05/325/001 20060131
0788511 SPC/GB08/036 United Kingdom ⤷  Start Trial PRODUCT NAME: MICAFUNGIN AND PHARMACEUTICALLY ACCEPTABLE SALTS THEREOF IN PARTICULAR MICAFUNGIN SODIUM; REGISTERED: UK EU/1/08/448/001 20080425; UK EU/1/08/448/002 20080425
1713823 1490064-1 Sweden ⤷  Start Trial PRODUCT NAME: SIMEPREVIR, OR A PHARMACEUTICALLY ACCEPTABLE SALT THEREOF, INCLUDING SIMEPREVIR SODIUM; REG. NO/DATE: EU/1/14/924 20140516
0145340 99C0005 Belgium ⤷  Start Trial PRODUCT NAME: FOSPHENYTOIN DISODIUM; NAT. REGISTRATION NO/DATE: NL 23 613 19980806; FIRST REGISTRATION: GB - PL 000 19/0157 19980204
0473687 SPC/GB98/030 United Kingdom ⤷  Start Trial PRODUCT NAME: FOSPHENYTOIN SODIUM (3-HYDROXYMETHYL)-5,5-DIPHENYLHYDANTOIN DISODIUM PHOSPHATE ESTER); REGISTERED: UK 0019/0157 19980204
0290047 SPC/GB97/078 United Kingdom ⤷  Start Trial PRODUCT NAME: MANGAFODIPIR AND PHARMACEUTICALLY ACCEPTABLE SALTS THEREOF, IN PARTICULAR MANGAFODIPIR TRISODIUM; REGISTERED: UK EU/1/97/040/001 19970522; UK EU/1/97/040/002 19970522
>Patent Number >Supplementary Protection Certificate >SPC Country >SPC Expiration >SPC Description

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