Global Patent Index - EP 0972827 A1

EP 0972827 A1 20000119 - 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 A1 20000119 (EN)

Application

EP 98202401 A 19980716

Priority

EP 98202401 A 19980716

Abstract (en)

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; B02C 19/12; B65B 69/00; C11D 17/00

IPC 8 full level

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

CPC (source: EP)

C11D 17/0082 (2013.01); C11D 17/06 (2013.01)

Citation (search report)

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 264909 T 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