Global Patent Index - EP 0972827 B1

EP 0972827 B1 20040421 - Process for producing a powder from a tablet

Title (en)

Process for producing a powder from a tablet

Title (de)

Verfahren zur Herstellung eines Pulvers aus einer Tablette

Title (fr)

Procédé de production d'une poudre à partir d'une tablette

Publication

EP 0972827 B1 20040421 (EN)

Application

EP 98202401 A 19980716

Priority

EP 98202401 A 19980716

Abstract (en)

[origin: EP0972827A1] The present invention relates to a process for producing a powder from a tablet, the tablet having a tensile strength of at least 5 kilo Pascal, the tablet comprising at least 2% by weight of surfactants, whereby the process is characterised in that it comprises a first step of submitting the tablet to mechanical degradation, and a second step of sifting to obtain the powder, whereby the powder obtained comprises less than 4% per weight of particles passing through a 150 micro meter sieve.

IPC 1-7

C11D 17/06; C11D 17/00; B02C 19/12; B65B 69/00

IPC 8 full level

B65B 69/00 (2006.01); C11D 17/00 (2006.01); C11D 17/06 (2006.01)

CPC (source: EP KR)

C11D 3/386 (2013.01 - KR); C11D 11/00 (2013.01 - KR); C11D 17/0039 (2013.01 - KR); C11D 17/0082 (2013.01 - EP); C11D 17/06 (2013.01 - EP KR)

Designated contracting state (EPC)

AT BE CH DE DK ES FI FR GB GR IE IT LI LU NL PT SE

DOCDB simple family (publication)

EP 0972827 A1 20000119; EP 0972827 B1 20040421; AR 019927 A1 20020327; AT E264909 T1 20040515; AU 5105399 A 20000207; BR 9912084 A 20010410; CA 2336957 A1 20000127; CN 1309695 A 20010822; DE 69823343 D1 20040527; JP 2002520480 A 20020709; KR 20010070974 A 20010728; MA 24935 A1 20000401; WO 0004126 A1 20000127

DOCDB simple family (application)

EP 98202401 A 19980716; AR P990103494 A 19990715; AT 98202401 T 19980716; AU 5105399 A 19990716; BR 9912084 A 19990716; CA 2336957 A 19990716; CN 99808681 A 19990716; DE 69823343 T 19980716; JP 2000560225 A 19990716; KR 20017000691 A 20010116; MA 25688 A 19990716; US 9916076 W 19990716