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): | Friedrich-Wilhelm Kupper, Heinz-Werner Voges, Hans-Jurgen Haage |
| Assignee: | Huels AG |
| Application Number: | US07/122,724 |
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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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| >Applicant | >Tradename | >Generic Name | >Dosage | >NDA | >Approval Date | >TE | >Type | >RLD | >RS | >Patent No. | >Patent Expiration | >Product | >Substance | >Delist Req. | >Patented / Exclusive Use | >Submissiondate |
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 | ⤷ Start Trial | |||
| Germany | 3781511 | ⤷ Start Trial | |||
| European Patent Office | 0268039 | ⤷ Start Trial | |||
| Japan | S63146855 | ⤷ Start Trial | |||
| >Country | >Patent Number | >Estimated Expiration | >Supplementary Protection Certificate | >SPC Country | >SPC Expiration |
