.

Pharmaceutical Business Intelligence

  • Anticipate P&T budget requirements
  • Evaluate market entry opportunities
  • Find generic sources and suppliers
  • Predict branded drug patent expiration

► Plans and Pricing

Upgrade to enjoy subscriber-only features like email alerts and data export. See the Plans and Pricing

DrugPatentWatch Database Preview

Details for Patent: 6,428,810

« Back to Dashboard
Patent 6,428,810 protects PRILOSEC OTC, PRILOSEC, NEXIUM, and NEXIUM 24HR, and is included in seven NDAs. There have been zero Paragraph IV challenges on Prilosec OTC and There are two tentative approvals for the compound protected by this patent. Additional details are available via the generic ingredient links below.

Protection for NEXIUM has been extended six months for pediatric studies, as indicated by the *PED designation in the table below.

This patent has twenty-one patent family members in nineteen countries.

Summary for Patent: 6,428,810

Title: Pharmaceutical formulation comprising omeprazole
Abstract:An enteric coated oral pharmaceutical formulation comprising as active ingredient a compound selected from the group of omeprazole, an alkaline salt of omeprazole, one of the single enantiomers of omeprazole and an alkaline salt of one of the single enantiomers of omeprazole, wherein the formulation comprises a core material that comprises the active ingredient and optionally an alkaline reacting compound, the active ingredient is in admixture with a pharmaceutically acceptable excipient, such as for instance a binding agent, and on said core material a separating layer and an enteric coating layer. A hydroxypropyl cellulose (HPC) with a specific cloud point is used in the manufacture of the claimed pharmaceutical formulations. Furthermore, the application describes the processes for their preparation and the use of the claimed formulations in medicine.
Inventor(s): Bergstrand; Pontus (Gothenburg, SE), Wang; Peter (Molndal, SE)
Assignee: AstraZeneca AB (Sodertalje, SE)
Application Number:09/485,218
Patent Claim Types:
see list of patent claims
Formulation; Compound; Composition; Use; Process;
Patent Metrics:
Source: PatentQuant.com
Field: Pharmaceuticals
Back Citations: 11th percentile
Forward Citations: 2nd percentile

Applicant Tradename Generic Name Dosage NDA Approval Date Type RLD Patent No. Patent Expiration Product Substance Delist Req. Patented / Exclusive Use
Astrazeneca Pharms
PRILOSEC OTC
omeprazole magnesium
TABLET, DELAYED RELEASE;ORAL021229-001Jun 20, 2003OTCYes6,428,810► subscribe
Astrazeneca Pharms
PRILOSEC
omeprazole magnesium
FOR SUSPENSION, DELAYED RELEASE;ORAL022056-001Mar 20, 2008RXNo6,428,810► subscribeY PEDIATRIC USE AGES 1 MONTH TO 2 YEARS, GERD AND EROSIVE ESOPHAGITIS
Astrazeneca Pharms
PRILOSEC
omeprazole magnesium
FOR SUSPENSION, DELAYED RELEASE;ORAL022056-001Mar 20, 2008RXNo6,428,810► subscribeY PEDIATRIC USE AGES 1-2 YEARS, GERD AND EROSIVE ESOPHAGITIS
This preview shows a limited data set
Subscribe for full access, or try a Trial

Export unavailable in trial.
Subscribe for complete access.

Foreign Priority and PCT Information for Patent: 6,428,810

Foriegn Application Priority Data
Foreign Country Foreign Patent Number Foreign Patent Date
Sweden9803772Nov 05, 1998
PCT Information
PCT FiledNovember 03, 1999PCT Application Number:PCT/SE99/01989
PCT Publication Date:May 18, 2000PCT Publication Number: WO00/27366

International Patent Family for Patent: 6,428,810

Country Document Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
Austria244002► subscribe
Australia1434600► subscribe
Australia774278► subscribe
This preview shows a limited data set
Subscribe for full access, or try a Trial

The estimated expiration dates shown above are derived by simply adding 20 years to the priority date.
Due to the complexity of determining patent expirations even in a single country, compounded by the diversity of global patent laws, it is advisable to have patent counsel verify freedom to operate.

Export unavailable in trial.
Subscribe for complete access.

For more information try a trial or see the database preview and plans and pricing

Drugs may be covered by multiple patents or regulatory protections. All trademarks and applicant names are the property of their respective owners or licensors. Although great care is taken in the proper and correct provision of this service, thinkBiotech LLC does not accept any responsibility for possible consequences of errors or omissions in the provided data. The data presented herein is for information purposes only. There is no warranty that the data contained herein is error free. thinkBiotech performs no independent verifification of facts as provided by public sources nor are attempts made to provide legal or investing advice. Any reliance on data provided herein is done solely at the discretion of the user. Users of this service are advised to seek professional advice and independent confirmation before considering acting on any of the provided information. thinkBiotech LLC reserves the right to amend, extend or withdraw any part or all of the offered service without notice.

`abc