The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Feb. 13, 2007
Filed:
May. 13, 2005
Masahiko Hayakawa, Tsukuba, JP;
Kiyohiro Samizu, Tsukuba, JP;
Hiroshi Uebayashi, Tsukuba, JP;
Ken Ikeda, Tsukuba, JP;
Makoto Takeuchi, Tsukuba, JP;
Masahiko Hayakawa, Tsukuba, JP;
Kiyohiro Samizu, Tsukuba, JP;
Hiroshi Uebayashi, Tsukuba, JP;
Ken Ikeda, Tsukuba, JP;
Makoto Takeuchi, Tsukuba, JP;
Astellas Pharma Inc., Tokyo, JP;
Abstract
There is provided an acid addition salt of (−)-(3R)-quinuclidin-3-yl(1R)-1-phenyl-1,2,3,4-tetrahydroisoquinoline-2-carboxylate with an acid selected from the group consisting of (−)-(2S,3S)-tartaric acid, (+)-(2S,3S)-di-O-benzoyltartaric acid, (+)-(2S,3S)-di-O-(4-methylbenzoyl)tartaric acid, (−)-L-phenylalanine, benzenesulfonic acid, cyclohexanesulfamic acid, hydrobromic acid, naphthalene-2-sulfonic acid, sebacic acid, (+)-camphor-10-sulfonic acid, p-toluenesulfonic acid, ethanesulfonic acid, methanesulfonic acid and methyl phosphate, which has little hygroscopicity that affects the use as a drug or its drug substance, and is very useful as a drug or its drug substance.