Last Updated: November 9, 2026

Details for Patent: 4,885,363

Name: Drug Patent Intelligence for US Patent 4885363
Creator: DrugPatentWatch
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Summary for Patent: 4,885,363

Title:	1-substituted-1,4,7-triscarboxymethyl-1,4,7,10-tetraazacyclododecane and analogs
Abstract:	Metal-chelating liquids having the formula ##STR1## wherein Y is oxygen or ##STR2## R1 is hydrogen, alkyl, arylalkyl aryl, alkoxy, hydroxyalkyl ##STR3## wherein G is ##STR4##
Inventor(s):	Michael F. Tweedle, Glen T. Gaughan, James T. Hagan
Assignee:	Bracco Diagnostics Inc
Application Number:	US07/137,267
Patent Claim Types: see list of patent claims	Compound;

Drugs Protected by US Patent 4,885,363

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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 4,885,363

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Country	Patent Number	Estimated Expiration	Supplementary Protection Certificate	SPC Country	SPC Expiration
Canada	1296715	⤷ Start Trial
Germany	3772785	⤷ Start Trial
Germany	3855451	⤷ Start Trial
European Patent Office	0232751	⤷ Start Trial
European Patent Office	0292689	⤷ Start Trial
Japan	2537502	⤷ Start Trial
Japan	2604796	⤷ Start Trial
>Country	>Patent Number	>Estimated Expiration	>Supplementary Protection Certificate	>SPC Country	>SPC Expiration

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