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:
Oct. 11, 1983
Filed:
Jun. 03, 1982
Yasuo Fujimura, Saitama, JP;
Sadao Tanaka, Tokyo, JP;
Isao Matsunaga, Tokyo, JP;
Yasuyuki Shiraki, Tokyo, JP;
Yugo Ikeda, Sayama, JP;
Tamotsu Yamazaki, Tokorozawa, JP;
Yasuhiro Ohba, Kawasaki, JP;
Shun-ichi Hata, Yokohama, JP;
Minoru Shindo, Tokyo, JP;
Kazushige Sakai, Tokyo, JP;
Chugai Seiyaku Kabushiki Kaisha, Tokyo, JP;
Abstract
Novel pyrazoloindazole derivatives of the formula ##STR1## wherein R.sub.1 is a hydrogen atom, halogen atom, a hydroxyl group, a lower alkyl group, a lower alkoxyl group or benzyloxyl group; R.sub.2 is a hydrogen atom, a halogen atom, a lower alkyl group or phenyl group (provided R.sub.1 and R.sub.2 are not hydrogen at the same time); and X.sup..crclbar. is a halide ion, a hydroxide ion, a methanesulfonate ion, a p-toluene sulfonate ion, a sulfate ion, a nitrate ion, a carbonate ion, an acetate ion, a benzoate ion or a salicylate ion, a process for preparing the derivatives, and a pharmaceutical composition containing the same are disclosed. The derivatives have good bronchodilating action for human without exhibiting substantially bad effects on the functioning of heart, and therefore, they are useful as a drug.