Details for Patent: 7,541,363
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Summary for Patent: 7,541,363
| Title: | Microcrystal |
| Abstract: | Microcrystals of (E)-8-(3,4-dimethoxystyryl)-1,3-diethyl-7-methyl-3,7-dihydro-1H-purine-2,6-dione having an average particle size of less than 50 μm; microcrystals of (E)-8-(3,4-dimethoxystyryl)-1,3-diethyl-7-methyl-3,7-dihydro-1H-purine-2,6-dione having an average particle size of less than 50 μm and a crystallinity of 20% or more or the like, which possess excellent solubility, stability, bioavailability, dispersing property in a pharmaceutical formulation; and the like are provided. A solid pharmaceutical formulation which is characterized by comprising the same is also provided. |
| Inventor(s): | Kazutoshi Kuroda, Noboru Aoki, Toshiro Ochiai, Akihiro Uchida, Yasuhiro Ishikawa, Makoto Kigoshi, Eiji Hayakawa, Kazuki Asanome |
| Assignee: | Kyowa Kirin Co Ltd |
| Application Number: | US10/554,511 |
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Patent Claim Types: see list of patent claims | Composition; Formulation; Compound; Device; |
Drugs Protected by US Patent 7,541,363
| 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: 7,541,363
| Foriegn Application Priority Data | ||
| Foreign Country | Foreign Patent Number | Foreign Patent Date |
| Japan | 2003-131417 | May 9, 2003 |
| PCT Information | |||
| PCT Filed | May 07, 2004 | PCT Application Number: | PCT/JP2004/006495 |
| PCT Publication Date: | November 18, 2004 | PCT Publication Number: | WO2004/099207 |
International Family Members for US Patent 7,541,363
| Country | Patent Number | Estimated Expiration | Supplementary Protection Certificate | SPC Country | SPC Expiration |
|---|---|---|---|---|---|
| Austria | 546450 | ⤷ Start Trial | |||
| Australia | 2004236101 | ⤷ Start Trial | |||
| Canada | 2525037 | ⤷ Start Trial | |||
| China | 100395245 | ⤷ Start Trial | |||
| China | 1784405 | ⤷ Start Trial | |||
| European Patent Office | 1626049 | ⤷ Start Trial | |||
| >Country | >Patent Number | >Estimated Expiration | >Supplementary Protection Certificate | >SPC Country | >SPC Expiration |
