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Serving leading biopharmaceutical companies globally:

Merck
Mallinckrodt
Federal Trade Commission
UBS
McKinsey
Moodys
Boehringer Ingelheim
Julphar
Fuji
Express Scripts

Generated: February 20, 2018

DrugPatentWatch Database Preview

Details for Patent: 4,906,775

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Summary for Patent: 4,906,775
Title: Esters of 3-tert-butyl- and 3-tert-butyl-5-alkyl-4-hydroxyphenyl (alkane) carboxylic acids with oxyethylates of polythiols
Abstract:Esters of 3-tert-butyl- and 3-tert-butyl-5-alkyl-4-hydroxyphenyl (alkane) carboxylic acids with oxyethylates of polythiols are useful as stabilizers for polymers, especially for polyethylene and polypropylene.
Inventor(s): Kupper; Friedrich-Wilhelm (Marl, DE), Voges; Heinz-Werner (Dorsten, DE), Haage; Hans-Jurgen (Herne, DE)
Assignee: Huels Aktiengesellschaft (Marl, DE)
Application Number:07/122,724
Patent Claim Types:
see list of patent claims
Compound; Process;

Drugs Protected by US Patent 4,906,775

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

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Foreign Priority and PCT Information for Patent: 4,906,775

Foriegn Application Priority Data
Foreign Country Foreign Patent Number Foreign Patent Date
Germany3639353Nov 18, 1986

International Patents Family Members for US Patent 4,906,775

Country Document Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
Germany 3639353 ➤ Try a Free Trial
Germany 3781511 ➤ Try a Free Trial
European Patent Office 0268039 ➤ Try a Free Trial
Japan S63146855 ➤ Try a Free Trial
Country Document Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration

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Serving hundreds of leading biopharmaceutical companies globally:

Healthtrust
Deloitte
Harvard Business School
Covington
AstraZeneca
Fish and Richardson
Moodys
Boehringer Ingelheim
Fuji

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