You’re using a public version of DrugPatentWatch with 5 free searches available | Register to unlock more free searches. CREATE FREE ACCOUNT

Last Updated: March 28, 2024

Details for Patent: 8,580,796


✉ Email this page to a colleague

« Back to Dashboard


Title:Low hygroscopic aripiprazole drug substance and processes for the preparation thereof
Abstract: The present invention provides low hygroscopic forms of aripiprazole and processes for the preparation thereof which will not convert to a hydrate or lose their original solubility even when a medicinal preparation containing the anhydrous Aripiprazole crystals is stored for an extended period.
Inventor(s): Bando; Takuji (Tokushima, JP), Aoki; Satoshi (Naruto, JP), Kawasaki; Junichi (Tokushima, JP), Ishigami; Makoto (Tokushima, JP), Taniguchi; Youichi (Tokushima, JP), Yabuuchi; Tsuyoshi (Tokushima, JP), Fujimoto; Kiyoshi (Naruto, JP), Nishioka; Yoshihiro (Tokushima, JP), Kobayashi; Noriyuki (Tokushima, JP), Fujimura; Tsutomu (Naruto, JP), Takahashi; Masanori (Tokushima, JP), Abe; Kaoru (Tokushima, JP), Nakagawa; Tomonori (Tokushima, JP), Shinhama; Koichi (Tokushima, JP), Utsumi; Naoto (Naruto, JP), Tominaga; Michiaki (Tokushima, JP), Ooi; Yoshihiro (Tokushima, JP), Yamada; Shohei (Tokushima, JP), Tomikawa; Kenji (Tokushima, JP)
Assignee: Otsuka Pharmaceutical Co., Ltd. (Tokyo, JP)
Filing Date:Jan 13, 2012
Application Number:13/350,117
Claims:1. Anhydrous Aripiprazole Crystals B having low hygroscopicity wherein said low hygroscopicity is defined as a moisture content of 0.40% or less when said Crystals are placed for 24 hours in a dessicator maintained at a temperature of 60.degree. C. and a humidity level of 100%.

2. Anhydrous Aripiprazole Crystals B having low hygroscopicity wherein said low hygroscopicity is defined as a moisture content of 0.10% or less when said Crystals are placed for 24 hours in a dessicator maintained at a temperature of 60.degree. C. and a humidity level of 100%.

Make Better Decisions: Try a trial or see plans & pricing

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 verification 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.