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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.:

US 4962113 B1

PDFFull Text
Date of Patent:
Oct. 09, 1990

Filed:

Jul. 26, 1988

Pyridinium derivatives, their production and use

Applicant:
Inventors:

Susumu Tsushima, Osaka, JP;

Muneo Takatani, Kyoto, JP;

Kohei Nishikawa, Kyoto, JP;

Assignee:

Takeda Chemical Industries, Ltd, Osaka, JP;

Attorney:

Wegner & Bretschneider

Primary Examiner:

Richard L Raymond

Assistant Examiner:

James H Turnipseed

Int. Cl.
CPC ...
A61K / ; C07D / ;
U.S. Cl.
CPC ...
514307 ; 514314 ; 540471 ; 540575 ; 544131 ; 544310 ; 544360 ; 544365 ; 546146 ; 546147 ; 546148 ; 546285 ; 546286 ; 546287 ; 546288 ; 546289 ; 546296 ; 546297 ; 546298 ; 546300 ; 546301 ; 546302 ; 546303 ; 546304 ; 546306 ; 546307 ; 546308 ; 546309 ; 546310 ; 546312 ;
Abstract

Novel pyridinium derivatives represented by the formula (I): ##STR1## wherein ##STR2## is an optionally substituted pyridinium ring; R.sup.1 is a lower alkyl group or aralkyl group;

Find Patent Forward Citations

Tsushima, Susumu. (1990). Pyridinium derivatives, their production and use (U.S. Patent No. 4962113). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4962113

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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