Details for Patent: 4,521,431
✉ Email this page to a colleague
Summary for Patent: 4,521,431
Title: | Aminoalkyl furan derivative |
Abstract: | A novel crystal form of ranitidine (N-[2-[[[5-(dimethylamino)methyl]-2-furanyl]methyl]thio]ethyl-N'-methyl-2- nitro-1,1-ethenediamine) hydrochloride, designated Form 2, and having favorable filtration and drying characteristics, is characterized by its infra-red spectrum and/or by its x-ray powder diffraction patterns. |
Inventor(s): | Crookes; Derek L. (Hertford, GB2) |
Assignee: | Glaxo Group Limited (London, GB2) |
Application Number: | 06/406,710 |
Patent Claim Types: see list of patent claims | Compound; Composition; Dosage form; Use; |
Drugs Protected by US Patent 4,521,431
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: 4,521,431
Foriegn Application Priority Data | ||
Foreign Country | Foreign Patent Number | Foreign Patent Date |
United Kingdom | 8031634 | Oct 01, 1980 |
International Family Members for US Patent 4,521,431
Country | Patent Number | Estimated Expiration | Supplementary Protection Certificate | SPC Country | SPC Expiration |
---|---|---|---|---|---|
Austria | 389696 | ⤷ Sign Up | |||
Austria | 402069 | ⤷ Sign Up | |||
Austria | 407956 | ⤷ Sign Up | |||
Austria | A109189 | ⤷ Sign Up | |||
>Country | >Patent Number | >Estimated Expiration | >Supplementary Protection Certificate | >SPC Country | >SPC Expiration |