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 | Submissiondate |
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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 |
Germany | 3639353 | Nov 18, 1986 |
International Family Members for US Patent 4,906,775
Country | Patent Number | Estimated Expiration | Supplementary Protection Certificate | SPC Country | SPC Expiration |
---|---|---|---|---|---|
Germany | 3639353 | ⤷ Try a Trial | |||
Germany | 3781511 | ⤷ Try a Trial | |||
European Patent Office | 0268039 | ⤷ Try a Trial | |||
Japan | S63146855 | ⤷ Try a Trial | |||
>Country | >Patent Number | >Estimated Expiration | >Supplementary Protection Certificate | >SPC Country | >SPC Expiration |