Global Patent Index - EP 0051881 B1

EP 0051881 B1 19840328 - PROCESS FOR THE CONTINUOUS PRODUCTION OF A MONOBASIC POWDER

Title (en)

PROCESS FOR THE CONTINUOUS PRODUCTION OF A MONOBASIC POWDER

Publication

EP 0051881 B1 19840328 (DE)

Application

EP 81109638 A 19811111

Priority

DE 3042697 A 19801112

Abstract (en)

[origin: EP0051881A1] 1. A method for the continuous production of monobasic powders by means of a twin-shaft screw press, in which nitrocellulose moistened with solvent is fed into an intake section of the screw press, is mixed and whilst doing so gelatinised in subsequent mixing and kneading sections of the screw press with added solvent and if appropriate other additives, and is extruded in continuous form at the discharge extremity of the screw press, characterised in that the solvent for the nitrocellulose is added solely within a mixing section (Me) following the open intake section (E).

IPC 1-7

C06B 21/00

IPC 8 full level

B30B 11/24 (2006.01); C06B 21/00 (2006.01)

CPC (source: EP)

B30B 11/24 (2013.01); C06B 21/0075 (2013.01)

Designated contracting state (EPC)

AT BE CH FR GB IT LI NL SE

DOCDB simple family (publication)

EP 0051881 A1 19820519; EP 0051881 B1 19840328; AT E6855 T1 19840415; DE 3042697 A1 19820603; DE 3042697 C2 19860220; ES 507083 A0 19821101; ES 8300312 A1 19821101

DOCDB simple family (application)

EP 81109638 A 19811111; AT 81109638 T 19811111; DE 3042697 A 19801112; ES 507083 A 19811112