Title of Invention

A DETERGENT TABLET OF COMPRESSED PARTICULATE COMPOSITION COMPRISING A DETERGENT-ACTIVE COMPOUND, A DETERGENCY BUILDER A BLEACH SYSTEM COMPRISING SODIUM PERCARBONATE IN THE FORM OF PARTICLES AND AT LEAST ONE BLEACH ACTIVATOR

Abstract A detergent tablet for fabric washing is compacted from a particulate composition containing detergent active compound, detergency builder, a bleach system comprising coated sodium percarbonate and at least one bleach activator, and optionally other detergent ingredients, where the tablet comprises a plurality of discrete regions, and wherein the bleach activator and the coated sodium percarbonate are concentrated in respective different regions of the tablet. This separation of activator and percarbonate increases the stability of the bleach activator.
Full Text FORM 2
THE PATENTS ACT, 1970 (39 OF 1970)
COMPLETE SPECIFICATION
(See Section 10 ; rule 13)
1. TITLE OF INVENTION
A DETERGENT TABLET OF COMPRESSED PARTICULATE
COMPOSITION COMPRISING A DETERGENT-ACTIVE
COMPOUND, A DETERGENCY BUILDER A BLEACH SYSTEM
COMPRISING SODIUM PERCARBONATE IN THE FORM OF
PARTICLES AND, AT LEAST ONE BLEACH ACTIVATOR.

Documents:

in-pct-2001-01401-mum-abstract(1-3-2004).doc

in-pct-2001-01401-mum-abstract(1-3-2004).pdf

in-pct-2001-01401-mum-cancelled pages(2-11-2004).pdf

in-pct-2001-01401-mum-claims(granted)-(1-3-2004).doc

in-pct-2001-01401-mum-claims(granted)-(1-3-2004).pdf

in-pct-2001-01401-mum-correspondence(17-04-2006).pdf

in-pct-2001-01401-mum-correspondence(ipo)(11-10-2006).pdf

in-pct-2001-01401-mum-form 1(9-2-2004).pdf

in-pct-2001-01401-mum-form 19(23-6-2003).pdf

in-pct-2001-01401-mum-form 2(granted)-(1-3-2004).doc

in-pct-2001-01401-mum-form 2(granted)-(1-3-2004).pdf

in-pct-2001-01401-mum-form 3(12-11-2001).pdf

in-pct-2001-01401-mum-form 5(12-11-2001).pdf

in-pct-2001-01401-mum-form-pct-ipea-409(12-11-2001).pdf

in-pct-2001-01401-mum-form-pct-isa-210(12-11-2001).pdf

in-pct-2001-01401-mum-petition under rule138(2-11-2004).pdf


Patent Number 208170
Indian Patent Application Number IN/PCT/2001/01401/MUM
PG Journal Number 32/2007
Publication Date 10-Aug-2007
Grant Date 18-Jul-2007
Date of Filing 12-Nov-2001
Name of Patentee HINDUSTAN LEVER LIMITED
Applicant Address HINDUSTAN LEVER HOUSE, 165/166, BACKBAY RECLAMATION, MUMBAI - 400 020.
Inventors:
# Inventor's Name Inventor's Address
1 ANJA LEONARDA M VAN ASPEREN UNILEVER RESEARCH VLAARDINGEN, OLIVIER VAN NOORTLAAN 120, NL-3133 AT VLAARDINGEN.
2 ATZE JAN VAN DER GOOT WAGENINGEN UNIVERSITEIT EN RESEARCHCETRUM, WAGENINGEN UNIVERSITEIT, POSTBUS 9101, 6700 HB WAGENINGEN, THE NETHERLANDS.
3 RENE LAMMERS UNILEVER THAI HOLDINGS LTD., 411 SRINAKARIN ROAD, SUANLUANG, 10250 BANGKOK, THAILAND.
4 SEENG DJIANG LIEM UNILEVER RESEARCH VLAARDINGEN, OLIVIER VAN NOORTLAAN 120, NL-3133 AT VLAARDINGEN, THE NETHERLAND.
5 ROBERT ERNST NIEMANTSVERDRIET UNILEVER RESEARCH VLAARDINGEN, OLIVIER VAN NOORTLAAN 120, NL-3133 AT VLAARDINGEN, THE NETHERLAND.
6 MARK VAN DER VEEN WAGENINGEN UNIVERSITEIT EN RESEARCHCETRUM, WAGENINGEN UNIVERSITEIT, POSTBUS 9101, 6700 HB WAGENINGEN, THE NETHERLANDS.
7 PATRICK VAN DER WAAL UNILEVER RESEARCH VLAARDINGEN, OLIVIER VAN NOORTLAAN 120, NL-3133 AT VLAARDINGEN, THE NETHERLAND.
PCT International Classification Number C11D 17/00, C11D 3/39, C11D 3/386
PCT International Application Number PCT/EP00/04432
PCT International Filing date 2000-05-15
PCT Conventions:
# PCT Application Number Date of Convention Priority Country
1 9911949.7 1999-05-21 U.K.