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:
Jul. 20, 2004
Filed:
Apr. 03, 2001
Kyowa Hakko Kogyo Co., Ltd., Tokyo, JP;
Abstract
A tablet including active substance affected by lubricant, wherein the tablet is comprised of compressed mixture of active substance and adjuvant except for lubricant, and lubricant exists only on the surface of the tablet but is not included in the tablet. Such a tablet production method comprising the steps of producing mixture of active substance affected by lubricant and adjuvant, mixing lubricant powder with positive pulsating vibration air for dispersion, spraying the lubricant powder dispersed by the positive vibration air on a lower surface of an upper punch, an upper surface of a lower punch and an inner circumferential wall of a die, and tabletting the mixture by means of the upper and lower punches and the die.