Global Patent Index - EP 0994935 A1

EP 0994935 A1 2000-04-26 - METHOD FOR PRODUCING INTENSIVE WHITE OPACIFIERS IN AQUEOUS SURFACTANT PREPARATIONS

Title (en)

METHOD FOR PRODUCING INTENSIVE WHITE OPACIFIERS IN AQUEOUS SURFACTANT PREPARATIONS

Title (de)

VERFAHREN ZUR ERZEUGUNG VON INTENSIVEN WEISSTRÜBUNGEN IN WÄSSRIGEN TENSIDISCHEN ZUBEREITUNGEN

Title (fr)

PROCEDE DE PRODUCTION D'OPACIFIANTS BLANCS INTENSES DANS DES PREPARATIONS TENSIO-ACTIVES AQUEUSES

Publication

EP 0994935 A1 (DE)

Application

EP 98940080 A

Priority

  • DE 19728084 A
  • EP 9803831 W

Abstract (en)

[origin: DE19728084A1] The invention relates to a method for producing intensive white opacifiers in aqueous surfactant preparations, wherein wax bodies having a solidification point above 30 DEG C are pulverized to form powders with a maximum average particle size of 50 mu m and said powders are stirred with the surfactant solutions at a temperature below 30 DEG C.

IPC 1-7 (main, further and additional classification)

C11D 3/20; A61K 7/50; C11D 1/66

IPC 8 full level (invention and additional information)

A61K 8/00 (2006.01); A61K 8/04 (2006.01); A61K 8/33 (2006.01); A61K 8/34 (2006.01); A61K 8/35 (2006.01); A61K 8/36 (2006.01); A61K 8/37 (2006.01); A61K 8/39 (2006.01); A61K 8/41 (2006.01); A61K 8/42 (2006.01); A61K 8/49 (2006.01); A61K 8/92 (2006.01); A61Q 5/02 (2006.01); A61Q 19/10 (2006.01); C11D 1/00 (2006.01); C11D 1/66 (2006.01); C11D 1/83 (2006.01); C11D 3/18 (2006.01); C11D 3/20 (2006.01); C11D 3/32 (2006.01); C11D 3/38 (2006.01); C11D 11/00 (2006.01); C11D 17/00 (2006.01); C11D 1/04 (2006.01); C11D 1/52 (2006.01)

CPC (invention and additional information)

A61Q 19/10 (2013.01); A61K 8/33 (2013.01); A61K 8/35 (2013.01); A61K 8/361 (2013.01); A61K 8/37 (2013.01); A61K 8/375 (2013.01); A61K 8/39 (2013.01); A61K 8/42 (2013.01); C11D 3/0089 (2013.01); C11D 3/18 (2013.01); C11D 3/38 (2013.01); C11D 17/0013 (2013.01); A61K 2800/412 (2013.01); C11D 1/04 (2013.01); C11D 1/523 (2013.01); C11D 1/667 (2013.01)

Citation (search report)

See references of WO 9901529A1

Designated contracting state (EPC)

DE ES FR GB IT NL

EPO simple patent family

DE 19728084 A1 19990107; DE 19728084 C2 19990429; EP 0994935 A1 20000426; JP 2002508016 A 20020312; WO 9901529 A1 19990114

INPADOC legal status


2003-07-09 [18D] DEEMED TO BE WITHDRAWN

- Effective date: 20030103

2000-04-26 [17P] REQUEST FOR EXAMINATION FILED

- Effective date: 19991221

2000-04-26 [AK] DESIGNATED CONTRACTING STATES:

- Kind Code of Ref Document: A1

- Designated State(s): DE ES FR GB IT NL