Global patent index - EP 1019485 A1

EP 1019485 A1 2000-07-19 - COMPOSITION FOR USE IN A WATER RESERVOIR

Title (en)

COMPOSITION FOR USE IN A WATER RESERVOIR

Title (de)

ZUSAMMENSETZUNG ZUR VERWENDUNG IN EINEM WASSERRESERVOIR

Title (fr)

COMPOSITION POUR UTILISATION DANS UN RESERVOIR D'EAU

Publication

EP 1019485 A1 (DE)

Application

EP 99939397 A

Priority

  • DE 19834172 A
  • EP 9905263 W

Abstract (en)

[origin: DE19834172A1] The invention relates to a composition in the form of a tablet intended to be used in a water reservoir in the kitchen or in sanitary fittings, characterized by a basic composition which esentially develops its function after being added and the water reservoir is filled with water for the first time and by at least one particle with at least one core comprising at least one substance that develops its function basically after the first water filling has been at least partially evacuated from the water reservoir and fresh water is filled into the water reservoir, and a coating completely surrounding the core(s), which comprises at least one coumpond whose solubility increases as the concentration of a specific ion in the surrounding medium decreases, wherein the at least one particle is disposed in or on the tablet in such a way that the surface of the particle(s) is in direct contact with the surface of the basic composition surrounding the particle(s) and the concentration of the specific ion in the local medium of the particle(s) remains sufficiently high until the tablet has substantially and totally dissolved in order to prevent substantial dissolution of the coating or substantial separation of said coating from the core(s).

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

C11D 17/00

IPC 8 full level (invention and additional information)

C11D 17/00 (2006.01); C11D 17/04 (2006.01)

CPC (invention and additional information)

C11D 17/0078 (2013.01); C11D 17/0082 (2013.01); C11D 17/048 (2013.01)

Citation (search report)

See references of WO 0006682A1

Designated contracting state (EPC)

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

EPO simple patent family

DE 19834172 A1 20000203; AU 5371299 A 20000221; CA 2304527 A1 20000210; EP 1019485 A1 20000719; US 6514429 B1 20030204; WO 0006682 A1 20000210

INPADOC legal status

2005-08-03 [18D] DEEMED TO BE WITHDRAWN

- Ref Legal Event Code: 18D

- Effective date: 20050201

2003-09-17 [RAP1] TRANSFER OF RIGHTS OF AN EP PUBLISHED APPLICATION

- Owner name: RECKITT BENCKISER N.V.

- Ref Legal Event Code: RAP1

2000-07-19 [17P] REQUEST FOR EXAMINATION FILED

- Ref Legal Event Code: 17P

- Effective date: 20000502

2000-07-19 [AK] DESIGNATED CONTRACTING STATES:

- Ref Legal Event Code: AK

- Designated State(s): AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE