Patent · US Expired

Process and press for the production of tablets

US6861022B2 · kind B2 · utility

1Cited by

2References

11Claims

0Family size

Assignee

Reckitt Benckiser LLC · US

Inventors

Paul Robinson · Bainbridge Island, US
Manuela Bosco · Treviso, IT
Peer Karkutsch · Darmstadt, DE

Key dates

Filing date	May 9, 2001
Grant date	Mar 1, 2005
Priority date	—
Expiry date	Sep 29, 2021

Classification

Technology area (CPC A)Human Necessities
CPC primaryA61K9/2072
WIPO fieldPharmaceuticals
WIPO sectorChemistry

Abstract

A process for the production of tablets with a cavity using a press, equipped with upper and lower punches, the lower punch comprising a ring portion being able to reciprocate, characterized in that a central member is provided within the ring portion of the lower punch, this central member being fixed in a pre-determined position beneath the upper part of the die during the process and that, at some stage before the first compression step, the ring portion of the lower punch is adjusted at a position beneath the level of the upper end of the central member.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.