Last Updated: September 3, 2026

Details for Patent: 4,738,974

Name: Drug Patent Intelligence for US Patent 4738974
Creator: DrugPatentWatch
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Summary for Patent: 4,738,974

Title:	Base addition salts of omeprazole
Abstract:	Novel salts of omeprazole with Li+, Na+, K+, Mg2+, Ca2+, Ti4+, N+ (R1)4 or ##STR1## as cation; processes for their preparation thereof, pharmaceutical compositions containing such salts and their use in medicine.
Inventor(s):	Arne E. Brandstrom
Assignee:	Hassle AB
Application Number:	US06/854,739
Patent Claim Types: see list of patent claims	Use; Composition;

Drugs Protected by US Patent 4,738,974

Glossary

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Applicant	Tradename	Generic Name	Dosage	NDA	Approval Date	TE	Type	RLD	RS	Patent No.	Patent Expiration	Product	Substance	Delist Req.	Patented / Exclusive Use	Submissiondate
>Applicant	>Tradename	>Generic Name	>Dosage	>NDA	>Approval Date	>TE	>Type	>RLD	>RS	>Patent No.	>Patent Expiration	>Product	>Substance	>Delist Req.	>Patented / Exclusive Use	>Submissiondate

Foreign Priority and PCT Information for Patent: 4,738,974

Foriegn Application Priority Data
Foreign Country	Foreign Patent Number	Foreign Patent Date
Sweden	8301182	Mar 04, 1983

International Family Members for US Patent 4,738,974

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Country	Patent Number	Estimated Expiration	Supplementary Protection Certificate	SPC Country	SPC Expiration
European Patent Office	0124495	⤷ Start Trial	SPC/GB01/006	United Kingdom	⤷ Start Trial
Austria	24907	⤷ Start Trial
Australia	2525784	⤷ Start Trial
Australia	563842	⤷ Start Trial
Bulgaria	44538	⤷ Start Trial
Bulgaria	60837	⤷ Start Trial
>Country	>Patent Number	>Estimated Expiration	>Supplementary Protection Certificate	>SPC Country	>SPC Expiration

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