Details for Patent: 5,380,922
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Summary for Patent: 5,380,922
Title: | Benzenedimethanol suitable for micronisation |
Abstract: | 1-Hydroxy-2-naphthalene carboxylate (hydroxynaphthoate) salt of 4-hydroxy-a.sup.1 -[[[6-(4-phenylbutoxy)hexyl]-amino]methyl]-1,3-benzendimethanol in the form of spherical accretions of microcrystals, the spherical accretions being free-flowing, friable and micronisable and preferably having a mean particle size of from 70 to 300 mm and a mean surface area from 4 to 12 m.sup.2 g.sup.-1. The hydroxynaphthoate salt in the claimed form may be prepared by quenching a hot organic/aqueous organic solution containing the salt with a cold organic/aqueous organic solvent. |
Inventor(s): | Beach; Steven F. (Ware, GB3), Latham; David W. S. (Ware, GB3), Roberts; Tony G. (Ware, GB3), Sidgwick; Colin B. (Ware, GB3) |
Assignee: | Glaxo Group Limited (London, GB2) |
Application Number: | 08/050,298 |
Patent Claim Types: see list of patent claims | Compound; Process; |
Drugs Protected by US Patent 5,380,922
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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>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: 5,380,922
Foriegn Application Priority Data | ||
Foreign Country | Foreign Patent Number | Foreign Patent Date |
United Kingdom | 9026005 | Nov 29, 1990 |
International Family Members for US Patent 5,380,922
Country | Patent Number | Estimated Expiration | Supplementary Protection Certificate | SPC Country | SPC Expiration |
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Austria | 144244 | ⤷ Try a Trial | |||
Australia | 644505 | ⤷ Try a Trial | |||
Australia | 9040291 | ⤷ Try a Trial | |||
Bulgaria | 61340 | ⤷ Try a Trial | |||
Bulgaria | 97767 | ⤷ Try a Trial | |||
Canada | 2099586 | ⤷ Try a Trial | |||
Cyprus | 2009 | ⤷ Try a Trial | |||
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