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Last Updated: April 26, 2024

Details for Patent: 4,179,337

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Summary for Patent: 4,179,337

Title:	Non-immunogenic polypeptides
Abstract:	Polypeptides such as enzymes and insulin are coupled to polyethylene glycol or polypropropylene glycol having a molecular weight of 500 to 20,000 daltons to provide a physiologically active non-immunogenic water soluble polypeptide composition. The polyethylene glycol or polypropylene glycol protect the polypeptide from loss of activity and the composition can be injected into the mammalian circulatory system with substantially no immunogenic response.
Inventor(s):	Davis; Frank F. (East Brunswick, NJ), Van Es; Theodorus (Piscataway, NJ), Palczuk; Nicholas C. (Bound Brook, NJ)
Assignee:
Application Number:	05/819,831
Patent Claim Types: see list of patent claims	Composition; Compound; Process;

Drugs Protected by US Patent 4,179,337

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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 4,179,337

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Country	Patent Number	Estimated Expiration	Supplementary Protection Certificate	SPC Country	SPC Expiration
Canada	1033673	⤷ Try a Trial
Switzerland	616942	⤷ Try a Trial
Germany	2433883	⤷ Try a Trial
France	2313939	⤷ Try a Trial
United Kingdom	1469472	⤷ Try a Trial
Israel	45291	⤷ Try a Trial
Japan	S5042087	⤷ Try a Trial
>Country	>Patent Number	>Estimated Expiration	>Supplementary Protection Certificate	>SPC Country	>SPC Expiration

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