Last Updated: November 8, 2026

Details for Patent: 3,598,858

Name: Drug Patent Intelligence for US Patent 3598858
Creator: DrugPatentWatch
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Summary for Patent: 3,598,858

Title:	Pge2 and pge3
Abstract:	PGE2, PGE3, THEIR SALTS AND ESTERS FREE OF ANTIGENS AND PYROGENS. PGE TYPE COMPOUNDS EXHIBIT BLOOD PRESSURE LOWERING AND SMOOTH MUSCLE STIMULATING PROPERTIES.
Inventor(s):	Sune Bergstrom, Jan Sjovall
Assignee:	Individual
Application Number:	US203752A
Patent Claim Types: see list of patent claims

Drugs Protected by US Patent 3,598,858

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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

International Family Members for US Patent 3,598,858

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Country	Patent Number	Estimated Expiration	Supplementary Protection Certificate	SPC Country	SPC Expiration
Germany	1160981	⤷ Start Trial
Germany	1443474	⤷ Start Trial
Germany	1643738	⤷ Start Trial
>Country	>Patent Number	>Estimated Expiration	>Supplementary Protection Certificate	>SPC Country	>SPC Expiration

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