Generated: December 17, 2017
DrugPatentWatch Database Preview
Details for Patent: 6,562,375
« Back to Dashboard
Which drugs does patent 6,562,375 protect, and when does it expire?
Summary for Patent: 6,562,375
|Title:|| Stable pharmaceutical composition for oral use|
|Abstract:||The present invention is to provide a stable pharmaceutical composition for oral use and preparation thereof in which changes are prevented in drug release at stored even under the exposure to light by adding yellow ferric oxide and/or red ferric oxide in a matrix type sustained-release preparation containing a drug, hydrophilic base, and polyethylene oxide. The present invention is to further provide a method for preventing changes in drug release at stored under the exposure to light in a matrix type sustained-release preparation containing a drug, hydrophilic base, and polyethylene oxide. The quality assurance period of the product can be prolonged and the product value can be improved by the present invention.|
|Inventor(s):|| Sako; Kazuhiro (Shizuoka, JP), Sawada; Toyohiro (Shizuoka, JP), Yoshihara; Keiichi (Shizuoka, JP), Yoshioka; Tatsunobu (Shizuoka, JP), Watanabe; Shunsuke (Shizuoka, JP) |
|Assignee:|| Yamanouchi Pharmaceuticals, Co., Ltd. (Tokyo, JP) |
Patent Claim Types:|
see list of patent claims
|Composition; Formulation; Dosage form; Use; |
International Patent Family for Patent: 6,562,375
The estimated expiration dates shown above are derived by simply adding 20 years to the priority date.
Due to the complexity of determining patent expirations even in a single country, compounded by the diversity of global patent laws,
it is advisable to have patent counsel verify freedom to operate.
Serving leading biopharmaceutical companies globally:
Drugs may be covered by multiple patents or regulatory protections. All trademarks and applicant names are the property of their respective owners or licensors.
Although great care is taken in the proper and correct provision of this service, thinkBiotech LLC does not accept any responsibility for possible consequences of errors or omissions in the provided data.
The data presented herein is for information purposes only. There is no warranty that the data contained herein is error free.
thinkBiotech performs no independent verifification of facts as provided by public sources nor are attempts made to provide legal or investing advice. Any reliance on data provided herein is done solely at the discretion of the user.
Users of this service are advised to seek professional advice and independent confirmation before considering acting on any of the provided information. thinkBiotech LLC reserves the right to amend, extend or withdraw any part or all of the offered service without notice.