24/06/2005 - Controller General of Patents, Designs, and Trade Marks

(12) PATENT APPLICATION PUBLICATION
(19) INDIA (21)
(22) Date of filing of Application: 20/06/2003 (43)
(54) Title of the invention:
(51) International Classification : C 11 D 17/00, 3/382,
3/12, 3/22
(31) Priority Document No. : 00204764.5
(32) Priority Date : 21/12/2000
(33) Name of priority country : EUROPE
(86) International Application
No.
: PCT/EP01/13458
Filing Date : 16/11/2001
(87) International Publication
No.
: WO 02/50234 A1
(61) Patent of addition to
Application No.
: NIL
Filed on : N.A.
(62)
(57) Abstract:
Divisional to Application
No.
: NIL
Filed on : N.A.
Application No: 624/MUMNP/2003 A
Publication Date: 24/06/2005
A TABLET OF COMPACTED PARTICULATE CLEANING
COMPOSITION
(71)
(72)
Name of the Applicant:
HINDUSTAN LEVER LIMITED
Address of the Applicant:
HINDUSTAN LEVER HOUSE
165/166, BACKBAY RECLAMATION,
MUMBAI- 400 020.
MAHARASHTRA, INDIA.
Name of the Inventors:
1. JELLES VINCENT BOSKAMP
2. IAN CHARLES CALLAGHAN
Filed U/S 5(2) before the
Patents (Amendment)
Ordinance, 2004: NO
The invention provides a tablet of compacted particulate cleaning composition comprising at least one cleaning
ingredient which is an organic surfactant, detergency builder or a bleach, wherein the tablet or a discrete region
thereof comprises water-swellable disintegration-promoting particles, said particles comprising; a) disintegration
material which is (i) cellulosic material from a plant source other than timber or (ii) plant material which
comprises both cellulose and lignin, obtainable by fragmentation of plant material without separation of its fibers
into a liquid dispersion, and b) carrier material which has a solubility in deionised water at 20oC of 1 gram per
litre or less. The tablets have an aesthetically acceptable colour even though they comprise coloured disintegrant
material and they exhibit good disintegration and strength properties. The disintegration-promoting particles are
also provided.
(FIG.: NIL)
Total Pages: 43.
The Patent Office Journal 24.06.2005 17799